L 3 Communications GPS Receiver LAZ 5100 User Manual
communications  
ELAC Nautik  
NAVIGATION ECHOSOUNDER  
LAZ 5100  
Technical Handbook  
TH 52 603 8001 E  
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The reproduction, distribution and utilisation of this document as well as the communication of this  
contents to others without explicit authorisation is prohibited. Offenders will be held liable for the  
payment of damages. All rights reserved in the event of the grant of a patent, utility model or  
design.  
©
L-3 Communications ELAC Nautik GmbH, Kiel, 2003  
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Declaration of Conformity  
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EG- Baumusterprüfbescheinigung  
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EG- Baumusterprüfbescheinigung  
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EG- Baumusterprüfbescheinigung  
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EG- Baumusterprüfbescheinigung  
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Contents  
Chapter  
Title  
Page  
1
GENERAL  
1-1  
1-1  
2-1  
2-1  
2-1  
2-3  
2-3  
2-3  
2-4  
3-1  
3-1  
3-2  
3-2  
3-3  
3-3  
3-3  
3-5  
3-5  
3-5  
3-6  
3-6  
3-7  
3-9  
1.1  
FUNDAMENTAL SAFETY INSTRUCTIONS  
GENERAL INSTALLATION INSTRUCTION FOR ECHOSOUNDERS  
TRANSDUCER INSTALLATION  
CABLE LENGTH, OPERATING FREQUENCY  
CABLING, CABLE LOCATION, CABLE SPECIFICATION  
TRANSDUCER CABLE SPECIFICATION  
INTERFACES  
2
2.1  
2.1.1  
2.1.2  
2.1.3  
2.1.4  
2.1.5  
3
INSTALLATION REPORT; SERVICE REQUEST  
TECHNICAL DESCRIPTION  
GENERAL  
3.1  
3.2  
SYSTEM CONFIGURATION  
DISPLAY AND CONTROL UNIT  
TRANSDUCER CONNECTION BOX  
TRANSDUCER  
3.2.1  
3.2.2  
3.2.3  
3.3  
OPTIONAL EQUIPMENT  
3.3.1  
3.3.2  
3.3.3  
3.3.4  
3.3.5  
3.4  
DIGITAL SLAVE DISPLAY(S)  
PRINTER  
CONNECTION BOX  
TRANSDUCER OPTIONS  
SWITCH BOX  
TECHNICAL DATA  
3.4.1  
3.5  
ELECTROMAGNETIC COMPATIBILITY  
INTERFACES  
3-10  
3.5.1  
3.5.2  
4
DESCRIPTION OF NMEA INTERFACES  
OTHER INTERFACES  
3-11  
3-15  
4-1  
4-1  
4-1  
4-3  
4-3  
4-5  
4-6  
4-7  
OPERATING INSTRUCTIONS  
SWITCHING THE SYSTEM ON/OFF  
BRIEF EXPLANATION OF CONTROLS  
DISPLAY AREA  
4.1  
4.2  
4.3  
4.3.1  
4.3.2  
4.3.3  
4.4  
SINGLE CHANNEL DISPLAY  
2 CHANNEL DISPLAY  
WARNING FIELDS  
ALTERING SYSTEM PARAMETERS AND SETTINGS  
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4.4.1  
4.4.2  
4.4.3  
4.5  
GAIN, RANGE AND DIM SETTINGS  
GENERAL INFORMATION REGARDING MENUS  
ALTERING SYSTEM SETTINGS/PARAMETERS WITHIN A MENU  
MENU DESCRIPTION  
4-7  
4-9  
4-10  
4-16  
4-16  
4-18  
4-21  
4-26  
5-1  
4.5.1  
4.5.2  
4.5.3  
4.5.4  
5
THE ALARM MENU  
THE PARAMETER MENU  
THE LOG DATA MENU  
THE SYSTEM SET-UP MENU  
INSTALLATION, CARE AND MAINTENANCE  
INSTALLATION  
5.1  
5-1  
5.1.1  
5.1.2  
5.1.3  
5.2  
DISTORTION LEVEL TEST  
INITIAL SYSTEM SET-UP  
5-3  
5-6  
POWER ADJUST  
5-13  
5-13  
5-15  
6-1  
CARE AND MAINTENANCE  
SPARE PARTS LIST  
5.3  
6
DRAWINGS  
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1
GENERAL  
1.1  
FUNDAMENTAL SAFETY INSTRUCTIONS  
General remark to hydroacoustic equipment LAZ 5100  
Even with a carefully selected transducer position and proper installation, the function of  
hydroacoustic equipment can be impaired by turbulence, acoustic noise or aerated water.  
As main causes, the following can be stated:  
− Propeller(s) running reversed;  
− Thruster(s) in operation, especially at low speed ahead;  
− Engine noise, transferred to the transducer either by the hull structure or through the water, the  
latter especially as bottom- reflection in shallow water.  
− Losing sonar contact with the water at extremely bad weather, as a result of violent pitching.  
− Hot water discharges from power plants;  
− Rising cold water in several sea areas.  
The list above is not complete; we will be pleased to assist with further information on request, see  
also chapter 5.1 Installation.  
The LAZ 5100 echosounder has been built in accordance with state of the art standards and  
recognised safety regulations. Nevertheless, it may constitute a risk to life or limb of the user and  
or third parties, or cause damage to the vessel and or other material property if the following rules  
are not complied with.  
The LAZ 5100 Echosounder must only be used in a technically flawless condition in accordance  
with it's designated use and the instructions contained within this Technical Handbook and only by  
safety conscious persons who are fully aware of the risks involved in operating such a system.  
The LAZ 5100 Echosounder is designed exclusively for use as a navigational echosounder. Using  
the system for purposes other than this is considered contrary to it's designated use. The  
manufacturer can not be held responsible for any damage resulting from such misuse. The risk of  
such misuse lies entirely with the user.  
Personnel entrusted with operating the system must have read the Technical Handbook, in  
particular the section on safety measures before and during operation. Reading these instructions  
after starting the system is too late. This applies especially to persons who only work with the  
system occasionally, e.g. during setting up or maintenance.  
Always observe the maintenance/inspection intervals laid down in this Technical Handbook.  
Use only spare parts authorised by the manufacturer and never replace defective fuses by those of  
any other rating than specified.  
Switch the system OFF immediately if trouble occurs with the electrical system.  
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Work on the system must only be carried out by a qualified technician or a specially trained person  
working under the supervision of such a technician. Electrical engineering regulations must be  
observed at all times.  
Observe all safety instructions and warnings for operating and maintenance attached to the  
system. Ensure that such safety instructions and warnings are always complete, visible and  
perfectly legible.  
Never make any modifications, additions or conversions to the system without the manufacturers  
full approval.  
If the system is shut down for maintenance or repair, it must be secured against inadvertent  
switching ON by isolating the system from the mains power supply and attaching a sign to the front  
plate of the display and control unit stating that the unit must not be switched ON because  
maintenance or repair work is being carried out.  
Always check tighten any screwed connections, e.g. plugs, sockets and terminals, which may have  
been loosened during maintenance or repair work.  
Always dispose of replaced parts in accordance with local environmental regulations.  
Check the system regularly for defective cables, connections etc.  
Alterations within the SERVICES menu must only be made by trained persons. Altering setting  
within this menu may lead to incorrect depth readings which in turn may lead to loss of life or limb.  
Service technicians opening the Display and Control unit for repair purposes must observe the  
tightening torque of the capped nut and washer, see items 17, 27 in drawing: ECHOLOT  
LAZ 5100-01 to 10, no. 52 590 8001 to 8010 in chapter 6 "DRAWINGS" .  
Echosounding Systems and remote indicators which detect and display the water depth from a  
single momentary value per transmission pulse, e.g. digital and pointer displays, can display false  
readings over a period of time. This is primarily valid in shallow water areas. For this reason, water  
depths displayed in this manner must be compared with the graphic presentation at such intervals  
as to guarantee the ship's safety.  
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2
GENERAL INSTALLATION INSTRUCTION FOR ECHOSOUNDERS  
TRANSDUCER INSTALLATION  
2.1  
The performance of an echosounder is limited by the acoustical propagation of sound in water.  
Mainly this is influenced by the transducer mounting place, the operational frequency and the  
transducer efficiency.  
The transducer mounting place is to select in such a way, that the transducer surface is free of air  
bubbles and turbulence. Air bubbles and turbulence will reflect the sound energy so that no echoes  
from the bottom will return.  
That's why transducers in general have to be installed in ship's bow.  
If the ship has a bow thruster, the transducer has to be mounted ahead of it. Otherwise the  
turbulence caused by the thruster hole will inhibit echosounding operation.  
While the bow thruster is operating, no echosounding is possible because of the propeller rotation.  
On ships with bulbs the transducer must be mounted as far ahead as possible.  
Transducers mounted in ship's aft normally are limited in function during travelling, because this  
area is very noisy. Due to engine noise, propeller rotation and air bubbles, the transducers are  
only efficient during low speed travelling.  
An indication for that is the disappearing of echoes, digital reading will indicate surface  
reverberation ( 1-1.5 m ) or “?”.  
While sailing only the front transducer should be used.  
2.1.1 CABLE LENGTH, OPERATING FREQUENCY  
Both the operating frequency and the length of cable between the echosounder and the transducer  
influence the performance of echosounding.  
General rules are:  
At lower frequencies the influence of air bubbles and turbulence decreases, increased depth  
measurements are possible, energy loss at longer cable length is minimised.  
Higher frequencies are less sensitive against radiated water noise caused by the ships engine  
and propeller rotation.  
Following tables give information about echosounding performance depending on various  
parameters.  
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Table of maximum measurable water depth, depending on frequency, transducer type, cable  
length.  
Transducer Frequency Manufacturer Electrical Maximum Cable  
Maximum  
Type  
LSE 132  
LSE 297  
LSE 133  
SW 6016  
LSE 148  
LSE 313  
LSE 135  
Power  
Length  
600 m  
400 m  
600 m  
150 m  
200 m  
150 m  
150 m  
Waterdepth  
30 kHz  
50 kHz  
50 kHz  
Elac Nautik  
Elac Nautik  
Elac Nautik  
450 Watt  
250 Watt  
450 Watt  
200 Watt  
450 Watt  
250 Watt  
250 Watt  
1200 m  
600 m  
1100 m  
100 kHz STN Atlas  
100 kHz Elac Nautik  
200 kHz Elac Nautik  
200 kHz Elac Nautik  
300 – 350 m  
350 – 400 m  
250 – 300 m  
250 – 300 m  
The depth values can only be reached with limited cable length and an undisturbed  
acoustic and electric receiver channel.  
For cable length longer than mentioned in the table the electrical power of the echosounder has to  
be increased according to manufacturer's release.  
Table 1 and 2 show as an example cable loss depending on frequency and cable length and the  
corresponding possible depth measurements for the frequencies 50 kHz and 100 kHz.  
Table 1: Cable loss for 100 kHz and 50 kHz  
Cable length in m  
Loss in dB at 100 kHz  
Loss in dB at 50 kHz  
50  
1.2  
2.8  
4.5  
6.3  
8.2  
10  
0.8  
1.7  
2.6  
3.6  
4.6  
5.6  
100  
150  
200  
250  
300  
Table 2: Depth measuring performance, cable length- dependent for 100 kHz and 50 kHz  
Cable length in m  
Depth in m at 100 kHz  
Depth in m at 50 kHz  
50  
270  
250  
230  
200  
180  
170  
600  
580  
560  
540  
515  
495  
100  
150  
200  
250  
300  
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2.1.2 CABLING, CABLE LOCATION, CABLE SPECIFICATION  
Critical point in cabling is the correct handling of the cable screens, especially for the transducer  
cable.  
The cable screens have to be grounded only at one point: at the echosounder.  
In all connection boxes the screens are slide and not connected to ground.  
Dismantling has to be as short as possible.  
The transducer cable from transducer to the first connection box has to be fed through a steel  
protection pipe.  
From the first connection box to the echosounder three kinds of cable laying are mandatory  
recommended:  
•
•
the cable is laid in a steel pipe  
a double-screened cable is used as transducer cable, the inner screen is one-side  
connected to the echosounder's ground, the outer screen is one-side connected to the  
ship's ground.  
•
the transducer cable has to be laid separately from other cables in a distance of  
minimum 0.5 m.  
Most important is not to lay single shielded cable in the vicinity of other cable.  
NOTE: in any case shielded cable has to be used over the whole distance from the  
transducer to the echosounder. All connection boxes must be metallic.  
2.1.3  
TRANSDUCER CABLE SPECIFICATION  
The cable from the transducer connection box to the echosounder must be approved marine cable  
according DIN 89158 or similar, like MGCG 2x1.5.  
At least the requirement of a resistance <13 Ω/ km and a capacity of < 150 nF/ km must be fulfilled.  
2.1.4  
INTERFACES  
Printer interface: Standard CENTRONICS parallel interface, cable length: 5 m max.  
Serial NMEA input: Input for navigational data and time synchronisation  
Serial NMEA output: Water depth and additional information, see chapter 3.5.  
Both serial interfaces are RS 422.  
Only equipment with RS 422 interfaces can be connected to the echosounder, otherwise the  
interface electronic gets damaged.  
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2.1.5  
INSTALLATION REPORT; SERVICE REQUEST  
After the installation and the quick check ( see chapter 5.1.2) are completed, please fill in the  
installation report and send a copy to the ELAC Nautik service center ( FAX +49 431 883 366 ).  
The original belongs into the technical handbook.  
If service is needed in case of trouble with the echosounder, please complete the service request/  
inspection sheet and forward it to the service company responsible with a copy to the ELAC Nautik  
service center ( FAX + 49 883 366 ).  
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Installation – Report  
Schiffsname  
Ship’s name  
_________________________________________________  
_________________________________________________  
______________________________  
Installationsfirma  
Installation Company  
Installationsdatum  
Date of Installation  
LAZ 5100  
ES 5000  
Atlas 9205  
Werk-Nr. (S/N)  
Serial Number  
1-Kanal – Gerät  
1-channel unit  
2-Kanal – Gerät  
2-channel unit  
Wandlertyp  
Transducer Type  
S/N  
S/N  
Digitale Tochteranzeige  
Digital Display Unit  
DAZ 25  
Atlas 9205 T  
S/N  
Einstellungen  
Settings  
LAZ 5100  
Kanal 1  
Channel 1  
Kanal 2  
Channel 2  
Frequenz / Frequency  
Blocking Depth  
Draft  
Trim  
Location  
NMEA - Interface  
Baudrate  
Mode  
Repetition Rate  
Protocol  
Bitte eine Kopie des Installationsreports an Elac Nautik Service Center schicken.  
Please forward a copy of the Installation Report to Elac Nautik Service Center.  
Fax + 49 431 883 366  
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Service – Anforderung / Service Request  
LAZ 5100  
ES 5000  
Atlas 9205  
Werk – Nr.  
Serial Number  
Schiffsname:  
Schiffsfax:  
Ship’s Name: ___________________  
Ship’s Fax: _________________________  
No.  
1.  
Item  
Menu „Alarm“  
Alarm  
Alarm depth  
Alarm  
Alarm depth  
Menu „Parameter“  
Sound velocity  
Units  
Depth mode  
Menu „System Set Up“  
Date, Time  
Service  
Default value  
Channel 1 Channel 2  
1.1  
1.2  
1.3  
1.4  
2.  
2.1  
2.2  
2.3  
3.  
„OFF“  
„0000“  
„OFF“  
„0000“  
1500 m/s  
m
DBK  
3.1  
3.2  
3.2.1  
actual date, time  
select with yes  
Channel Settings  
3.2.1.1 Draft  
0,0 m  
3.2.1.2 Trim  
0,0 m  
3.2.1.4 Blocking Depth  
3.2.1.4 Frequency  
3.2.1.5 Location  
2 - 2,5 m  
xx kHz  
BOW, AFT  
3.2.2  
Interface  
3.2.2.1 External PC  
3.2.2.2 NMEA / DAZ 25  
3.2.2.3 Repetition Rate  
3.2.2.4 Protocol  
38400 ; 8N1  
4800 ; 8N1  
Fast / Slow  
DPT/DBT or ELAC  
Fehlerbeschreibung / Fault Description  
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3
TECHNICAL DESCRIPTION  
GENERAL  
3.1  
The LAZ 5100 Navigation Echosounder is a compact, processor controlled, state of the art system.  
Presentation of the water depth is made on a Liquid Crystal COLOR Display (LCD) as.  
• depth below the keel (DBK)  
Logically structured MENUS assist the user when selecting the operating parameters required.  
Built to the highest standards, it is certified to meet all requirements laid down by the  
IMO Resolution MSC 74/69: Amendments to Resolution A.224,Annex 4 . Wheelmark-tests are  
certified by the German authorty BSH (German Hydrographic Institute)..  
Figure 3-1: LAZ 5100 Display and Control Unit  
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3.2  
SYSTEM CONFIGURATION  
NOTE: See also Figure 3-2, System Configuration with Options.  
The basic system configuration is as follows:  
• 1 x Display and Control Unit LAZ 5100  
• 1 x Connection Box  
• 1 x Transducer  
3.2.1  
DISPLAY AND CONTROL UNIT  
The Display and Control Unit will normally be installed on the bridge, either mounted in a console  
or bracket mounted to the deckhead or bulkhead. It is made up of a display area and a keypad  
which is used to alter system parameters and settings.  
The unit can be a one or two channel unit, working with different transducers on different  
frequencies, see Technical Data.  
When used with only one transducer ( see Figure 3-1 ), the display area shows the following:  
• Water depth  
• Range scale  
• Time and Date  
• Latitude and Longitude (if connected to a Navigation system with a standard  
NMEA 0183, version 2.0 interface)  
• Minimum and maximum depth alarm settings (if activated)  
• A trace of the sea bed  
• A colour bar representing the signal strength of the echoes  
With two channels, a vertical split display shows left half channel 2 information, right half channel 1  
information. Instead of LAT/ LONG a second water depth indication appears.  
A built-in ring memory continually stores system data, this allows the user to recall data to the  
screen, or print out a hard copy of any or all events occurring within the last 24 operating hours  
(if a printer is connected).  
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3.2.2 TRANSDUCER CONNECTION BOX  
This will usually be installed near the transducer, to allow a defective transducer to be replaced  
without having to replace the complete cabling to the Display and Control Unit. The connection box  
must be made of metallic material.  
3.2.3 TRANSDUCER  
The transducer converts electrical energy to sound energy and transmits this towards the sea bed.  
Sound energy returning from the sea bed, in the form of echoes, is converted into electrical energy  
by the transducer and fed to the Display and Control Unit for evaluation and presentation.  
3.3  
OPTIONAL EQUIPMENT  
The following optional equipment is available to broaden the system capabilities:  
• Digital Slave Display(s)  
• Printer  
• Connection Box  
• Transducer(s)  
• Switch box  
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NAVIGATIONS-  
ECHO SOUNDER  
LAZ 5100  
X3  
X1  
X2  
X4  
X5  
X6  
X7  
X8  
MAINS  
NMEA  
RS 422  
*
RS 232  
RS 422  
OPTIONAL  
SWITCH BOX  
OPTIONAL  
DAZ 25  
OPTIONAL  
DAZ 25  
OPTIONAL 2nd  
TRANSDUCER  
OPTIONAL  
PRINTER  
MAINS  
CONNECTION BOX  
OPTIONAL  
CONNECTION  
BOX  
**  
TRANSDUCER  
Figure 3-2 : System Block Diagram with Options  
*
Operator´s Fitness Check  
**  
Mute- Control, TXD1 for Voyage Data Recorder ( NMEA, RS 422)  
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3.3.1 DIGITAL SLAVE DISPLAY(S)  
These are used to repeat water depth information at other parts of the ship where such information  
is needed. A total of two Digital Slave Displays can be connected directly to the system.  
NOTE:  
Echosounding Systems and remote indicators which detect and display the  
water depth from a single momentary value per transmission pulse, e.g. digital  
and pointer displays, can, over a period of time display false readings. This is  
primarily valid in shallow water areas. For this reason, water depths displayed  
in this manner must be compared with the graphic presentation at regular  
intervals in order to guarantee the ship's safety.  
IMPORTANT NOTE: While crossing steep slopes the echo evaluation might fail. A steady  
depth display cannot be guarantied in this case. The LAZ depth display  
will show the last evaluated depth value together with a question mark,  
longer lasting errors will be indicated by a question mark without any  
depth value. At the digital slave display "----" will be displayed in this  
case.  
3.3.2  
PRINTER  
A Printer can be connected to give a continuous hard copy of data presented on the display area  
or to print out a hard copy of events from any time within a previous 24 operating hour period.  
3.3.3  
CONNECTION BOX  
The Connection Box is connected up to the Display and Control Unit and provides the following  
connections:  
• a 2nd Digital Slave Display  
• a blanking pulse output  
• depth alarm relay contacts (potential free)  
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3.3.4  
TRANSDUCER OPTIONS  
If a 2 channel module is installed, the system is capable of accommodating two transducers  
without further modification, e.g. one fore and one aft, one port and one starboard. Information  
received from either or both transducer(s) can be called up for display.  
3.3.5 SWITCH BOX  
If no 2 channel module is installed, a switch box can be used for the connection of two transducers  
of the same type (frequency). Echo-information of the transducer selected by the switch box will be  
shown on the display.  
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3.4  
TECHNICAL DATA  
Supply voltage, nominal  
: 95 - 240 V AC, 50 - 400 Hz  
(min. 85 V AC, max. 264 V AC)  
10 - 30 V DC (option, via power pack)  
Power consumption  
Operating temperature range  
Storage temperature  
Housing  
: Approx. 25 W  
: -15°C - +55°C  
: -20°C - +60°C  
: Cast aluminium  
: IP 53  
Protection code  
Transducer impedance  
Pulse length  
: 50 - 150 Ohms  
: 0.3, 1, 3 ms, (automatically switches to suit  
range selected)  
Measurement ranges  
Auto range  
: 0 - 10, 20, 50, 200, 500, 2000 m (or the  
equivalent in feet or fathoms)  
: depending on the water depth range scale of  
200m or 50 m will be selected automatically  
Digital Depth Information  
: 150% of measurement range for 0 - 10m  
0 - 50m  
120% for other ranges  
: 1% of range selected  
: 2.5% of depth reading  
Resolution  
Measuring accuracy  
Display  
Display size  
Pixels  
: Liquid Crystal Display,  
: 192 mm x 144 mm  
: 640 (hor.) x 480 (vert.)  
Minimum sounding depth  
: 0.5 m or equivalent ( Transducer depended )  
Depth corrections  
Starting with software version 1.82  
Transducer-surface  
:
:
:
up to 9.9 m  
up to 29,9 m  
up to 4.9 m  
Transducer-keel  
Standard frequencies (kHz)  
2 Channel version  
Output power  
: 28, 30, 33, 38, 50, 100, 200, 210 (selectable)  
: any combination of the frequencies above  
: 1000 W Max. dependent upon range selected  
and transducer installed  
Compass Safety Distance  
Dimensions  
: Magnetic compass : 0.5 m  
: Steering compass : 0.3 m  
: Height = 288 mm  
Width = 336 mm  
Depth = 156 mm  
Weight  
: Approx. 8 kg  
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Deadman alarm  
Power alarm  
: altering parameters of the unit causes an output  
to a central alarm unit ( potential free relais  
contact )  
: when the power supply voltages decreases 100  
V a visual and audio alarm ( with mute control )  
is activated, a potential free output for external  
use is available ( potential free relais contact )  
.
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3.4.1 ELECTROMAGNETIC COMPATIBILITY  
*
The LAZ 5100 conforms with specifications laid down in DIN EN 60945 (IEC945+A1) Navigation  
equipment for Shipping; all editions up to March 1997 and also to the newest version 4 with  
measurements up to 2 GHz.  
A declaration of conformity, in accordance with European Community guideline 89/336/EG, can be  
found in Figure 3-4 on page 3-17.  
*
DIN (Deutsches Institut für Normung) = German Standards Institute  
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3.5  
INTERFACES  
The LAZ 5100 has the following interfaces:  
• RS 422, NMEA, for Navigation data input (X4), Blanking input  
• RS 232, Personal Computer connection for testing (X5)  
• Centronics, parallel Printer connection (X7)  
• RS 422, Digital Slave Display connection and potential free relay contacts for  
alarm ACTIVE (X8), relay control for Operator´s Fitness Check  
• RS 422, Power supply for a 2nd Digital Slave Display, and blanking pulse output  
(X6), Mute Control input, second serial output for Voyage Data Recorder, Power  
Fail output.  
• Interface to an external CRT monitor.  
Interface connections are made at the rear of the unit. Figure 1-3 below shows which connector  
belongs to which interface.  
Figure 3-3 : LAZ 5100 Interface Connector Plate  
NOTE:  
For pin connections, see Table 1 at the end of this Chapter.  
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3.5.1 DESCRIPTION OF NMEA INTERFACES  
All serial interfaces described in this chapter conform to EN 61162-1 ( 2001 ).  
(X4)  
A navigation system can be connected to this interface so that the ship's co-ordinates are  
displayed by the LAZ 5100. The system will accept and evaluate data sentences in NMEA 0183,  
Version 2.30, GLL and ZDA formats, as follows:  
GLL Format  
$--GLL,IIII.II,a,yyyyy.yy,a,hhmmss.ss,A*hh<CR><LF>  
Checksum  
Status : A =Data Valid  
UTC at this position  
Longitude, E/W  
Latitude, N/S  
Talker Identification  
Example:  
$GPGLL,5420.549,N,01007.192,E,201533.25,A*02<CR><LF>  
Checksum  
Data Valid  
UTC =20:15:33.25  
Longitude=10°07.192’E  
Latitude=54°20.549’N  
Data are being received from  
a Global Positioning System  
ZDA Format  
$--ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh<CR><LF>  
Checksum  
Difference between UTC and  
GMT  
Day,Month,Year  
UTC  
Talker Identification  
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Example:  
$ZAZDA,184533.20,20,12,1995,12,15*62<CR><LF>  
Checksum  
Difference 12 hrs 15 mins  
Date 20th Dec 1995  
UTC=18:45:33.20 s  
Data are originating from  
an atomic clock  
(X8)  
Interface for START/ STOP - SLAVE indicator, potential free alarm relay contacts and Digital Slave  
Indicator.  
After each sounding the LAZ 5100 transmits depth information to the Digital Slave Display  
interface (15 to 60 times per minute, depending upon the measuring range selected) in NMEA,  
Version 2.00 format. The DPT (Depth) and DBT (Depth Below Transducer) sentences are as  
follows:  
DPT (Depth)  
$SDDPT,x.x, -x.x,xx,*hh<CR><LF>  
Checksum  
Range Scale  
Distance transducer-keel  
in metres  
Depth in metres  
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Example:  
$SDDPT,0337.0, -1.5,0500,*4D<CR><LF>  
Checksum  
Range Scale  
Transducer=1.5 metres above  
the keel  
Depth in metres  
Depth Below Transducer (DBT)  
$SDDBT,x.x,f, x.x,M,x.x,F*hh<CR><LF>  
Checksum  
Depth in fathoms  
Depth in metres  
Depth in feet  
Example:  
$SDDBT,0012.1,f, 0003.7,M,0002.0,F*32<CR><LF>  
Checksum  
Depth = 2 fathoms  
Depth = 3.7 metres  
Depth = 12.1 feet  
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A NMEA proprietary sentence ELAC is available to allow the transfer of dual channel depth  
information, including transducer mounting position.  
ELA (Manufacture’s Mnemonic Code)  
$PELACSDS,k,x.x,d.d,-t.t,m,g,r,*hh<CR><LF>  
Checksum  
Range Scale  
Depth quality  
Selected depth mode  
Distande transducer-keel  
in metres (TRIM)  
Distance transducer-surface  
in metres (DRAFT)  
Depth in metres  
Transducer location  
Manufacture´s mnemonic code  
P:Propriatary sentence identifier  
k:  
S= Starboard, P= Port, B= Bow, A= Aft, 0=not selected  
m:  
K=DBK (Depth below Keel), S=DBS (Depth below Surface), T=DBT (Depth below  
Transducer)  
r:  
Range Scale  
q:  
Quality of digital depth reading:  
0=no depth information available  
1=no depth information available, poor quality  
2=depth information available, high reliability  
Example:  
$PELACSDS,B,0337.0,3.4,-1.5,K,2,0500,*3F<CR><LF>  
Checksum  
Range Scale  
Depth information, high realibility  
Depth below keel  
TRIM, transducer 1.5 m above keel  
DRAFT, transducer 3.4  
below surface  
Depth = 337.0 m  
Depth from Bow transducer  
To activate the Protocol ELAC see chapter 5.1.2 Initial System Set-up.  
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3.5.2 OTHER INTERFACES  
(X5)  
Reserved for service technicians for testing purposes and transferring data to a PC (special  
software required).  
(X6)  
This interface provides a power supply and serial Data output for a second Digital Slave Display  
and a blanking pulse output.  
(X7)  
This Centronics interface allows an EPSON LX 300 (or compatible) printer to be connected to the  
system. Max. length of printer cable 5 m !  
(X38)  
This is an output to connect a standard CRT monitor to the echosounder.  
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NMEA IN  
PC  
X5  
2nd DAZ  
X6  
Printer  
X7  
DAZ 25  
X8  
Monitor  
X38  
red  
Pin  
1
X4  
CANL***  
BSL  
Sio0RxD  
Sio0TxD  
n.c.  
Ground  
n.c.  
n.c.  
n.c.  
Vcc  
---  
SioB1Tx-  
SioB1Tx+  
SioB0Tx+  
Mute in b  
Mute in a  
SioATxD+  
SioARxD+  
SioB0Tx-  
Blanking out -*  
Blanking out +*  
Aux. Voltage +  
RSRemote  
SioATxD-  
SioARxD-  
Aux. Voltage -  
---  
Strobe  
Data 0  
Data 1  
Data 2  
Data 3  
Data 4  
Data 5  
Data 6  
Data 7  
ACK  
OFC 1**  
OFC 2**  
SioB0Tx+  
n.c.  
2
SioBRxD+  
green  
blue  
n.c.  
3
n.c.  
4
Blanking in -  
5
Blanking in +  
Alarm A **  
START  
Ground  
Ground  
Ground  
Ground  
n.c.  
6
CANH***  
7
SioBRxD-  
n.c.  
n.c.  
---  
STOP  
8
SioB0Tx-  
Alarm B **  
Alarm C **  
Aux. Voltage +  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
Ground  
n.c.  
---  
---  
BUSY  
---  
---  
PAPER END Power Fail 1**  
n.c.  
---  
---  
SELECT  
n.c.  
Power Fail 2**  
hsync  
vsync  
n.c.  
---  
---  
LSE2+2  
---  
---  
ERROR  
RESET  
n.c.  
Aux. Voltage -  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
Ground  
Ground  
Ground  
Ground  
Ground  
Ground  
Ground  
Ground  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
Pin Connections  
LEGEND:  
nc = not connected  
--- = not available  
OFC: Operator Fitness Check  
* Blanking + : open Collector (Potentialfree Transistor output )  
Blanking - : open Emitter  
** Relays;  
Contact rating : Umax 28 VDC, Imax 1 A  
Max. switching Power: 5W  
*** Not in use  
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EC- Approval  
Figure 3-4 : Copy of the Original Declaration of Conformity  
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4
OPERATING INSTRUCTIONS  
4.1  
SWITCHING THE SYSTEM ON/OFF  
ESCAPE  
CURSOR  
GAIN  
RANGE  
DIM  
OFF  
ON  
PRINT  
MARKER  
ENTER  
To switch the System ON, press the far right-hand key marked "ON". The system will switch ON  
and assume the parameter settings which were selected when the system was last switched OFF.  
To switch the system OFF, press and hold the second key from the right, marked "OFF", the  
system will switch OFF after about 3 to 5 seconds. This is a built-in safety feature to prevent  
accidental switching OFF.  
4.2  
BRIEF EXPLANATION OF CONTROLS  
ESCAPE  
CURSOR  
GAIN  
RANGE  
DIM  
OFF  
ON  
PRINT  
MARKER  
ENTER  
• CURSOR : The CURSOR keys allow the user to move the cursor within a MENU and alter  
parameters. The position of the cursor can easily be seen, the word, letter or  
digit marked by the cursor appears inverse (dark background, light text).  
Parameters to be altered must first be "marked" by the cursor.  
• ESCAPE  
: The ESCAPE key is used to leave a MENU or to abort parameter alterations.  
• ENTER  
: The ENTER key is used to call up MENUS and confirm parameter alterations  
within MENUS.  
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ESCAPE  
ENTER  
CURSOR  
GAIN  
RANGE  
DIM  
OFF  
ON  
PRINT  
MARKER  
• GAIN  
: The GAIN keys are used to alter the system gain, otherwise known as  
amplification, to achieve a clearer presentation. The system can be operated  
with either automatic or manual gain control. See chapter 4.4.1.  
• RANGE  
: The RANGE keys are used to set the depth range of the system.  
• DIM  
: The DIM keys are used to set the display backlighting level to suit the user.  
ESCAPE  
CURSOR  
GAIN  
RANGE  
DIM  
OFF  
ON  
PRINT  
MARKER  
ENTER  
• PRINT  
: The PRINT key is used when the user wishes to make a simultaneous hard copy  
of the echogram. This is only possible if a printer is connected to the system.  
• MARKER : When the MARKER key is pressed, a vertical dotted line appears on the screen  
and moves with the presentation from right to left. At the same time all relevant  
information is stored in the system's 24 hour memory. This memory stores data  
from the previous 24 system operating hours.  
• SYMBOL  
: The key marked with a loudspeaker symbol is used to acknowledge acoustic  
depth alarms.  
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4.3  
DISPLAY AREA  
4.3.1  
SINGLE CHANNEL DISPLAY  
The Display Area is used to present the user with all relevant information. The screen is divided  
into two areas. The lower, main area is used to present an echogram of the scenario beneath the  
ship. It is provided with a scale and time markings. The range in use is displayed beside the scale  
markings, at the bottom right of the screen. The time markings appear at 3 minute intervals at the  
bottom edge of the screen. As explained previously, when MENUS are called up, they will appear  
at the bottom left-hand side of this area. The smaller strip across the top of the screen provides the  
user with various system and depth information (see illustration below).  
m
Explanation of information contained in the illustration above (from left to right):  
TIME  
: Shows the actual time  
: Shows the actual date  
DATE  
NAV OFF  
: Flashes to indicate that the Navigation mode is not in use i.e. the user has  
selected other units, sound velocity or depth mode. When the user returns to  
the Navigation mode,  
by selecting NAV Defaults, this window will disappear (see also chapter 4.5.1,  
NAV-Defaults). If the echosounder is in the two channel mode ( only if the  
second channel and a second transducer is fitted), NAV - OFF is activated  
without flashing.  
LONGITUDE  
LATITUDE  
: These windows will display the actual Lat. and  
: Lon. only if the system is connected up to the ship's navigation system.  
Printing  
: This window is usually blank. If the user chooses to make a hard copy of the  
echogram, by pressing the PRINTER key (a printer must be connected)  
the word "Printing" will appear here.  
ALARM  
: These windows show the depth alarm settings. The upper window shows the  
minimum depth alarm, the lower window shows the maximum depth alarm. If  
the alarms are not activated, e.g. Status = OFF, the relevant window(s) will  
remain blank. If an alarm condition is present, the relevant window will flash  
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REPLAY  
: When the user chooses to display information stored over the previous 24  
operating hours (using the LOG DATA MENU), the word "REPLAY" will  
appear here.  
The large window at the right-hand side of the information area is used to display the actual water  
depth, the measurement mode, units of measurement. The measurement mode can be either:  
• Depth Below the Keel = DBK (as shown)  
• Depth Below the Surface = DBS  
• Depth Below the Transducer = DBT  
The units of measurement can be either:  
• Metres  
= m (as shown)  
= ft  
• Feet  
• Fathoms = ftm  
If instead of the depth value a ? appears, make sure, that the echo signal will be in the range  
selected.  
IMPORTANT NOTE: While crossing steep slopes the echo evaluation might fail. A steady  
depth display cannot be guarantied in this case. The LAZ depth display  
will show the last evaluated depth value together with a question mark,  
longer lasting errors will be indicated by a question mark without any  
depth value. At the digital slave display "----" will be displayed in this  
case.  
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4.3.2  
2 CHANNEL DISPLAY  
In the 2 channel mode information of the transducer location and frequency of the transducer in  
use is added.  
If the presentation channel 1/2 is selected, Information of both channels are shown in a vertical  
split display.  
The indication NAV OFF is activated without flashing to indicate, that all parameters are mode of  
presentation is non standard. For each transducer depth location and frequency is shown.  
For transducer location and frequency see chapter 5.1.2 Initial System Set - up.  
m
m
10  
20  
20  
40  
10  
20  
20  
40  
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4.3.3 WARNING FIELDS  
Three warning fields are provided on the display:  
• NAV OFF flashing indicates that one or more parameters do not correspond to the  
navigational mode, i.e. the user has selected other units, sound velocity or depth  
mode.  
• NAV OFF whithout flashing appears in the 2 channel mode. It is a hint, that in this  
display mode the user has to observe, that for instances dedicated digital slave  
repeaters are in use.  
• POWER ERROR occurs when the supply voltage of the echosounder unit  
undergoes a value of 100 V AC. This is an internal alarm, the POWER ERROR field  
flashes and an acoustic alarm ( with mute control ) is activated.  
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4.4  
ALTERING SYSTEM PARAMETERS AND SETTINGS  
When the system is switched OFF, parameters selected are stored in the system's memory. When  
the system is switched ON again, these parameters will be retrieved and used (see NOTE below).  
NOTE:  
The "DIM" setting is not stored, a pre-set default setting is used when the  
system is switched ON. With two channel systems, channel 1 is the default  
channel at start-up.  
4.4.1  
GAIN, RANGE AND DIM SETTINGS  
GAIN (amplification), RANGE (depth range) and DIM (display area backlighting and keypad  
illumination) settings are made by pressing the relevant keys. There are two keys for each setting,  
one marked with an arrow pointing upwards and one marked with an arrow pointing downwards.  
Pressing these keys as described below will alter the present setting. The new setting will appear  
briefly on the display area directly above the key which was pressed and the effects of a change  
can be observed directly on the display area. Pressing the key a second time will alter the setting  
by a further unit.  
GAIN:  
The unit is fitted with an automatic gain control circuit for the data processing which is always  
activated when the unit is switched on. The GAIN setting only influences the displayed echo  
information. The GAIN value can be altered between 1 and 10, whereby 1 is the lowest and 10 the  
highest gain (amplification) factor.  
If the sea bed trace appears too weak, the GAIN level must be increased to give a clear  
presentation. If there is a lot of "noise" to be seen on the display area, the GAIN level must be  
decreased. To increase the GAIN level, press the GAIN key V To decrease the GAIN level,  
press the GAIN key W. The value set will appear on the display area above the key (between 1  
and 10). Pressing the same key a second time will cause the value to increase or decrease by one  
further unit. Repeat the procedure until a satisfactory sea bed trace is achieved.  
In some cases it can be useful to work with manual instead of automatic gain. Manual gain setting  
is explained in chapter 4.5.2.  
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RANGE:  
The RANGE can be set to suit the circumstances e.g. if a water depth of 35 m is indicated, the  
50m range will give a better resolution and accuracy than the 200 m range. The range can be  
altered in the same way as the gain, except that here, pressing the RANGE key V will decrease  
the range and pressing the RANGE key W will increase the range. There are 6 ranges to choose  
from, 10, 20, 50, 200, 500 and 2000 m (or the equivalent in fathoms or feet). Selecting the unit of  
measurement is described in chapter 4.5.2.  
Increasing the range to more than 2000 m scale an "A" will appear together with the 200 m scale.  
"A" indicates the selection of the automaticc mode. When the water depth decreases the range will  
at depth less than 50 m switch automatically in the 50 m range scale, if the depth increases, the  
200 m range will be selected. Pressing in the automatic mode the range keys, manual control is  
activated.  
NOTE:  
DIM:  
When DBS is used, the ranges 0-10 m; 0-20 m are not available, only 0-50 m.  
The display backlighting can be set in 10 steps to suit the ambient light. To increase the display  
backlighting, press the DIM key V. To decrease the display backlighting, press the DIM key W  
(see NOTE below).  
All other parameters and settings are altered within so called MENUS, as described in chapters  
4.4.2 and 4.5.  
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4.4.2  
GENERAL INFORMATION REGARDING MENUS  
The ENTER key is used to call up the various MENUS in sequence. The order in which they  
appear is as follows:  
• Press the ENTER key 1x - ALARM MENU  
• Press the ENTER key 2x - PARAMETER MENU  
• Press the ENTER key 3x - LOG DATA MENU  
• Press the ENTER key 4x - SYSTEM SET-UP MENU  
If the ENTER key is pressed 5x, the ALARM MENU will re-appear.  
When a MENU is called up, the title will be highlighted i.e. it will appear in inverse text, this means  
light text on a dark background or vice versa, depending upon the DIM setting. During daylight use,  
the text will be light on a dark background and during darkness, when the screen is dimmed, the  
text will be dark on a light background.  
When the title line of a MENU is highlighted, it is possible to leave that MENU by pressing the  
ESCAPE key 1x, or to change to another MENU by pressing the ENTER key 1x or more until the  
desired MENU appears. If parameters or settings have been altered within a MENU, the ESCAPE  
key may have to be pressed more than 1x in order to either return to the title line or to leave the  
MENU completely. The ESCAPE key can also be used to abort parameter selections.  
A detailed example of altering system settings and parameters within a MENU can be seen in  
chapter 4.4.3. It is advisable that the user reads this Section thoroughly and practices making the  
alterations described in order to become more familiar with the system.  
WARNING: Do not alter parameters within the SERVICE SUB-MENU unless authorised to  
do so. See also WARNING given in chapter 4.5.4, "The SYSTEM SET-UP  
MENU".  
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4.4.3  
ALTERING SYSTEM SETTINGS/PARAMETERS WITHIN A MENU  
When a MENU is called up, it will appear at the bottom left-hand side of the display area. There  
are 4 main MENUS available. These can be called up by pressing the ENTER key.  
Example:  
The user wishes to change the MINIMUM DEPTH ALARM from 30m to 20m and  
activate it (Status = ON) and to change the MAXIMUM DEPTH ALARM to 410m  
and activate it.  
Press the ENTER key once to call up the ALARM MENU. The ALARM MENU as shown below,  
appears at the bottom left-hand side of the display area.  
ALARM  
NAV-Defaults  
Alarm  
>>  
Depth  
0030  
OFF  
Status  
Alarm  
Depth  
1990  
OFF  
Status  
Test Alarm  
The word ALARM is marked by the so called cursor and appears inverse, i.e. dark background,  
light text.  
In order to alter the MINIMUM DEPTH ALARM setting within this MENU, the value to be altered  
must be marked by the cursor. This is done by using the CURSOR keys. The CURSOR key with  
the arrow pointing downwards (W) is used to move the cursor down and the CURSOR key with the  
arrow pointing upwards (V) is used to move the cursor up. Press the CURSOR W key twice to  
mark the word "Depth".  
The MENU below shows that the cursor has been moved down to mark the word "Depth" which  
now appears inverse.  
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ALARM  
NAV-Defaults  
Alarm  
Depth  
Status  
Alarm  
>>  
0030  
OFF  
Depth  
Status  
1990  
OFF  
Test Alarm  
Now press the ENTER key. The cursor will jump from the word "Depth" to the first digit of the alarm  
setting, in this case a zero. Press the ENTER key twice more and the cursor will move to the right  
and mark the figure 3, as shown in the MENU below.  
ALARM  
NAV-Defaults  
Alarm  
>>  
3
Depth  
00 0  
Status  
OFF  
Alarm  
Depth  
1990  
OFF  
Status  
Test Alarm  
Press the CURSOR W key once. The figure 3 will change to a 2.  
Press the ENTER key to confirm the new setting. The cursor will jump one digit to the right. Press  
the ENTER key once more and the cursor will move to mark the word "Status" as shown in the  
MENU overleaf.  
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ALARM  
NAV-Defaults  
Alarm  
Depth  
Status  
Alarm  
>>  
0020  
OFF  
Depth  
Status  
1990  
OFF  
Test Alarm  
Press the ENTER key and the cursor will jump to the word "OFF". Press a CURSOR key  
(V or W) to toggle from OFF to ON. The MENU will appear as below.  
ALARM  
NAV-Defaults  
Alarm  
>>  
Depth  
0020  
ON  
Status  
Alarm  
Depth  
1990  
OFF  
Status  
Test Alarm  
Press the ENTER key to confirm the setting. The cursor will jump to the word "Depth" as shown in  
the MENU below.  
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ALARM  
NAV-Defaults  
Alarm  
Depth  
Status  
Alarm  
>>  
0020  
ON  
Depth  
Status  
1990  
OFF  
Test Alarm  
Press the ENTER key and the cursor will jump to the first digit of the alarm setting, in this case a 1,  
as shown in the MENU below.  
ALARM  
NAV-Defaults  
Alarm  
>>  
Depth  
0020  
ON  
Status  
Alarm  
1
990  
Depth  
Status  
OFF  
Test Alarm  
Change the 1 to a 0 by pressing the CURSOR W key. Press the ENTER key to confirm. The cursor  
will jump to the next digit, a 9. Repeatedly press the CURSOR W key until the desired value is  
reached, in this case a 6. Press the ENTER key to confirm. The cursor will jump to the next digit,  
again a 9. Set this to 1 using the CURSOR W key. Press the ENTER key to confirm, the cursor  
jumps to the 0 which need not be altered. Now that the desired value, 410m, has been set, press  
the ENTER key to confirm. The cursor will jump to the word "Status" as shown in the MENU below.  
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ALARM  
NAV-Defaults  
Alarm  
Depth  
Status  
Alarm  
>>  
0020  
ON  
Depth  
Status  
0610  
OFF  
Test Alarm  
Press the ENTER key and the cursor will jump to the word "OFF".  
The MENU will appear as shown overleaf.  
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ALARM  
NAV-Defaults  
Alarm  
Depth  
Status  
Alarm  
>>  
0020  
ON  
Depth  
Status  
0610  
OFF  
Test Alarm  
Alter the Status to ON as described for the minimum depth alarm. Press the ENTER key to  
confirm. The cursor will jump to the words "Test Alarm", as shown in the MENU below.  
ALARM  
NAV-Defaults  
Alarm  
>>  
Depth  
0020  
ON  
Status  
Alarm  
Depth  
0610  
OFF  
Status  
Test Alarm  
A functional test of the audio/visual alarm can now be carried out by pressing the ENTER key. The  
audio alarm must sound and the field(s) showing the alarm setting(s) on the display area must  
blink.  
Now that the settings have been altered and the alarm tested by pressing the ENTER key, leave  
the MENU by pressing the ESCAPE key twice.  
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4.5  
MENU DESCRIPTION  
4.5.1 THE ALARM MENU  
To call up the ALARM MENU, press the ENTER key once.  
ALARM  
NAV-Defaults  
Alarm  
>>  
Depth  
0020  
ON  
(0....1999m)  
(ON, OFF)  
Status  
Alarm  
Depth  
0410  
ON  
(0....1999m)  
(ON, OFF)  
Status  
Test Alarm  
This MENU is used to set, select or test the following:  
• Select NAV-Defaults  
• Set Minimum Depth Alarm  
• Set Maximum Depth Alarm  
• Test the Alarm system  
NAV-Defaults  
NAV(Navigation)-Defaults are basic compulsory settings which must be used when operating the  
system for navigational purposes. These are laid down by the International Maritime Organisation  
(IMO) and state that:  
• The system must operate with one channel only  
• The sound velocity must be set to 1500 m/s  
• The unit of measurement must be metric (metres)  
• Water depth must be measured below the keel (DBK)  
If the system is being operated in any other mode, e.g. units selected are feet, water depth from  
the surface is selected etc. the user can return to the NAV mode by calling up this MENU and  
selecting NAV-Defaults. A sub menu will appear in which the user can choose between selecting  
NAV-Defaults, or returning to the ALARM MENU. The sub menu can be seen overleaf.  
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WARNING!  
This function will  
set the sounder  
to NAV-Defaults !  
Continue ?  
NO  
(NO, YES)  
To set the system back to NAV defaults, call up the ALARM MENU and press the following keys:  
• CURSOR W (1x, to mark NAV-Defaults)  
• ENTER (1x, to call up SUB-MENU)  
• CURSOR W or V (to select YES)  
• ENTER (to confirm selection and exit SUB-MENU)  
• ESCAPE (1x, to leave the MENU)  
Maximum and Minimum Depth Alarms  
The user can set the system alarm so that an audio/visual alarm occurs if the water becomes  
shallower than a set minimum or if the water becomes deeper than a set maximum. This depth is  
always measured from the ship's keel. An Alarm Test facility is available so that the alarm function  
can be periodically tested. These settings are made as described in chapter 4.4.3.  
Mute- Control  
The audio alarm can be muted externally by connected Mute Control.  
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4.5.2 THE PARAMETER MENU  
To call up the PARAMETER MENU, press the ENTER key twice.  
PARAMETER  
Channel Select  
Sound Velocity  
Units  
1
1500  
m
(1, 2, 1/2)  
(1400....1699)  
(m, ftm, ft)  
(DBK, DBT, DBS)  
(Auto, Man)  
Depth Mode  
Gain  
DBK  
auto  
The PARAMETER MENU is used to select system parameters which vary from those laid down by  
the IMO. The following and settings can be made within this MENU:  
• Channel selection  
• Sound velocity setting  
• Unit of measurement selection  
• Depth mode selection  
Channel Select  
The Channel Select function is only operative if the system is fitted with two transducers. When the  
system is switched on, channel 1 is the default setting. This function is used to select the channel  
to be presented on the display area. Presentation of either Channel 1, Channel 2, or both is  
possible. If both channels are selected, they will appear side by side on the display area,  
Channel 1 to the right and Channel 2 to the left. Call up the PARAMETERS MENU and press the  
following keys to make a selection:  
• CURSOR W (1x, to mark Channel Select)  
• ENTER (1x, to mark Channel number)  
• CURSOR V or W (to make selection)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
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Sound Velocity  
Sound travels at varying speeds in water, depending upon the salinity, temperature and density.  
The standard NAV(Navigation) default setting for sound velocity is 1500 m/s. If a sound velocity  
measuring system is available and the user wishes to adjust the sound velocity of the depth  
sounder, call up the PARAMETERS MENU and press the following keys:  
• CURSOR W (2x, to mark Sound Velocity)  
• ENTER (1x, to mark 2nd digit)  
• CURSOR V or W (to alter 2nd digit)  
• ENTER (1x, to confirm selection and jump to 3rd digit)  
• CURSOR V or W (to alter 3rd digit)  
• ENTER (1x, to confirm selection and jump to 4th digit)  
• CURSOR V or W (to alter 4th digit)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
Units  
The standard default unit of measurement is metres. It is however possible, if the user wishes, to  
choose either fathoms or feet. In order to alter the unit of measurement, call up the PARAMETERS  
MENU and press the following keys:  
• CURSOR W (3x, to mark the word Units)  
• ENTER (1x to mark units selected)  
• CURSOR V or W (to make selection)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
Depth mode  
The standard default depth measurement mode is DBK (depth below the keel). It is however  
possible to change this mode to either DBT (depth below the transducer) or DBS (depth below the  
surface). In order to alter the mode of depth measurement, call up the PARAMETERS MENU and  
press the following keys:  
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• CURSOR W (4x, to mark Depth Mode)  
• ENTER (1x, to mark the mode selected)  
• CURSOR V or W (to make selection)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
NOTE:  
When the NAV-Defaults are selected within the ALARM MENU, the system  
returns to the navigation mode, using the default values , i.e.:  
• Channel Select = 1  
• Sound Velocity = 1500 (m/s)  
• Units = m  
• Depth Mode = DBK  
Manual Gain setting  
In a noisy environment or if the bottom depth changes very rapidly it is useful to work with manual  
gain instead of automatic gain.  
The manual mode is selected as follows:  
Select second menu (PARAMETER) by pressing ENTER, ENTER  
Select in the PARAMETER menu Gain using the cursor, ENTER  
With the cursor change Auto to Man., ENTER  
With the GAIN keys now gain is adjustable.  
With GAIN UP or DOWN gain can be set between 1 (minimum) and 15 (maximum)  
Vary the gain value until the bottom is clearly indicated on the display. For differentiation the gain  
value selected is shown inverse on the display during the use of the gain keys:  
9
Indication with Auto:  
Indication with Man.:  
12  
NOTE :  
During switch off the last gain value in use is stored. If the unit is switched on  
again, Auto mode is selected. If Man. becomes selected as described, the  
stored last gain value will be recalled.  
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4.5.3 THE LOG DATA MENU  
To call up the LOG DATA MENU, press the ENTER key three times. The MENU as shown below  
will appear.  
LOG DATA  
View  
Display memory contents  
Data Transfer  
>>  
Transfer data to an external PC  
The LOG DATA MENU is used to gain access to data stored in the system's built-in 24 hour ring  
memory. This data can then be viewed on the display area and printed out in full or in part (if an  
external printer is connected). The contents of the memory can also be transferred to a personal  
computer for further analysis (special software is required in order to transfer and analyse data).  
WARNING: During this mode, the echo sounder is not in operation and no actual depth  
data will be given. ALARM functions will not be in effect. No data will be  
stored.  
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To view stored data  
Call up the LOG DATA MENU as described previously. Press the CURSOR W key once to mark  
the word "VIEW", followed by the ENTER key. The MENU will disappear from the screen and  
stored data will appear. A typical Viewed Data display area can be seen below.  
m
Marker Lines  
10  
20  
40  
The upper part of the display area contains the following information which is always related to the  
1st data block on the extreme right of the display area:  
• Time (10:32:40) and date (12-Oct.-94) of stored data  
• NAV Mode ON or OFF (if the NAV mode was ON when data was stored, this  
window will not be present)  
• Latitude and Longitude (only if the system was connected to an external navigation  
system)  
• The window showing REPLAY indicates that stored data is being viewed  
• Depth setting of the shallow water alarm (10m) (if this function was selected)  
• Depth, unit (m) and mode (DBK) of measurement  
• Depth range (50m)  
• the "Page" and "Printing" windows will be explained later  
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Explanation of controls for viewing data  
m
direction A  
direction B  
10  
20  
30  
40  
Reference line for information and  
setting print out time period limits  
Key  
Function  
CURSOR V  
Scrolls forwards in time (direction A)  
Scrolls backwards in time (direction B)  
CURSOR W  
ENTER  
Toggles page scroll option (for faster scrolling)  
MARKER  
Marks one limit of the time period to be printed out (start  
or finish)  
PRINT  
Marks the other limit of the time period to be printed out  
and simultaneously activates the printer (if connected)  
ESCAPE  
Exit, return to the echosounding mode  
Controls for Viewing Data  
NOTE:  
With the exception of the DIM and OFF keys, all other keys are inoperative.  
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Scrolling through memory data  
To scroll the display to a certain time in the memory at which events that occurred earlier (relative  
to time shown in "time" window) wish to be viewed, press and hold the CURSOR W key until  
nearing the desired time (shown in the "time" window). Finely adjust the desired time by pressing  
the CURSOR V or W key momentarily, each time a key is pressed, the time will advance by a 5  
second period. If the event to be viewed occurred a lot earlier, scrolling can be accelerated by  
using the "Page scroll" option. Press the ENTER key and the word "Page" will appear in the  
window beneath the "Depth Alarm" window. When the CURSOR V or W keys are now pressed  
momentarily, the display will be shifted by approx. three quarters of a page backwards or forwards  
(pressing and holding these keys scrolls continuously).  
EXAMPLE:  
To view data at the time "Marker line a" was set, press and hold the CURSOR W key until the  
marker line is almost at the right-hand side of the display area. Finely adjust by pressing the  
CURSOR W repeatedly until the marker is at the extreme right-hand side of the display area. The  
data will now be presented in the upper part of the display area. To move "Marker line b", press the  
ENTER key. The word "Page" will appear in the window below the alarm window showing that the  
"Page scroll" option is activated. When the CURSOR W is now pressed once, the marker line will  
jump to the right. Press the ENTER key to return to the "slow scroll" option and finely adjust as  
previously described for "Marker line a".  
NOTE:  
Depth, scale and position information will not be updated during scrolling  
(only time and echograms) except when a marker line passes the right-hand  
border of the display area.  
The following information can be read off the display area for any given time during the previous 24  
system operating hours:  
• Water depth at that time  
• Units and mode of measurement at that time  
• Range in use at that time  
• Time and date at which the information was stored  
• Whether the NAVIGATION mode was in use at that time  
• Latitude and Longitude at which the information was stored (if connected to a nav.  
system)  
• Whether a shallow water alarm was activated at that time  
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Printing data from the memory  
In order to make a print-out of all or part of the data stored in the memory, so called "limit markers"  
must be set. Only data within these limit markers will be printed out. To set these limit markers and  
print the data within them, proceed as follows:  
• Scroll the display area until one limit is reached (the time can be seen in the "time  
window").  
• Press the MARKER key (the time of the right hand side of the display appears in a  
window below the depth alarm window)  
• Scroll the display area until the other limit is reached (the time can be seen in the  
"time window").  
• Press the PRINT key, the time in the window below the depth alarm window will be  
replaced by the word "Wait", followed after a short time by the word "Printing".  
During printing, the user may scroll further within the memory. The print-out can be stopped at any  
point by pressing the PRINT key for a second time.  
Fault conditions  
When the PRINT key is pressed, a fault condition may exist. If so, one of the 3 fault conditions  
shown below will be indicated in the window beneath the depth alarm window:  
• PERIOD?  
: This indicates that the user has set the both limit markers to the  
same time. The limit markers must be set to different times.  
• PAPER OUT : The printer has run out of paper  
• ERROR : The printer is not connected, not switched ON, or otherwise  
defective  
Making a hard copy of the screen  
In order to make a hard copy of data displayed on the screen, scroll to the desired position and  
press the PRINT key. A window will appear containing the word "Hardcopy". The print-out will be  
an exact reproduction of the screen at the time the PRINT key was pressed.  
NOTE:  
With the exception of the PRINT and ESCAPE push-buttons, all other controls  
are "dead" during the time it takes to print out a hard copy of the screen. The  
PRINT push-button will stop the printing process and the ESCAPE push-  
button will exit the LOG-DATA feature and return the system to Echo-  
sounding operation.  
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4.5.4 THE SYSTEM SET-UP MENU  
WARNING: With the exception of the time, date and contrast, no other parameters must  
be altered unless modifications are made to the system, e.g. altering the  
installation depth of the transducer, replacing the transducer for one of a  
different frequency. Alteration of such parameters must only be made by an  
experienced service technician.  
PARAMETER ALTERATIONS MADE BY NON-QUALIFIED PERSONS MAY LEAD TO  
INCORRECT DEPTH READINGS WHICH IN TURN CAN LEAD TO MATERIAL DAMAGE AND  
TO THE LOSS OF LIFE AND LIMB  
To call up the SYSTEM SET-UP MENU, press the ENTER key four times. The MENU as shown  
below will appear.  
SYSTEM-SETUP  
Date  
Time  
29.06.94  
12:34  
Color up  
Color down  
Service  
>>  
Version  
Version number and date  
The SYSTEM SET-UP MENU is used to set the Time and Date and to gain access to the  
SERVICE and INTERFACE SUB MENUS to allow the service technician to alter installation and  
interface parameters (see above warning).  
Changing the Date and Time  
To change the system DATE, call up the SYSTEM SET-UP MENU and press the following keys:  
• CURSOR W (1x, to mark the word Date)  
• ENTER (1x, to mark the day setting)  
• CURSOR W or V (to alter the day setting)  
• ENTER (1x, to confirm selection and jump to the month setting)  
• CURSOR W or V (to alter the month setting)  
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• ENTER (1x, to confirm selection and jump to the year setting)  
• CURSOR W or V (to alter the year setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To change the system TIME, call up the SYSTEM SET-UP MENU and press the following keys:  
• CURSOR W (2x, to mark the word Time)  
• ENTER (1x, to mark the hour setting)  
• CURSOR W or V (to alter the hour setting)  
• ENTER (to confirm selection and jump to the minutes setting)  
• CURSOR W or V (to alter the minutes setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
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COLOR BAR MENU allows user settings according to ambient conditions. Several combinations  
of echo indication and the overlay of general information are possible  
according the following table.  
Example: CC B>R means  
CC: Colored overlay, Colored echotrace  
B>R: Blue are week echoes, Red are strong echoes  
CODE  
LETTERS OVERLAY  
1+2  
LETTERS ECHOLEVEL  
3+4  
COLORS  
Text Background  
High  
White  
White  
White  
Black  
Red  
Low  
Black Colored  
Grey Dark grey  
Grey Dark grey  
Grey Dark grey  
Black Colored  
Grey Dark grey  
Black Colored  
Black Dark grey  
Black Dark grey  
Black Dark grey  
Black Colored  
Grey Dark grey  
Black  
Black  
Black  
White  
Black  
Black  
Black  
Black  
Black  
White  
black  
Black  
8 blue to white on black  
8 blue to white on black  
16 grey level on black  
16 grey level on white  
16 blue to red on black  
16 blue to red on black  
8 blue to white on black  
8 blue to white on black  
16 grey level on black  
16 grey level on white  
16 blue to red on black  
16 blue to red on black  
CC  
GC  
GG  
GG  
CC  
GC2  
CC  
GC  
GG  
GG  
CC  
GC  
B>W  
B>W  
B>W  
W>B  
B>R  
B>R  
B>W  
B>W  
B>W  
W>B  
B>R  
B>R  
Red  
White  
White  
White  
Black  
red  
Red  
Installation settings are made within the SERVICE and INTERFACE SUB-MENUS which are  
described in Chapter 5.  
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5
INSTALLATION, CARE AND MAINTENANCE  
INSTALLATION  
5.1  
The display and control unit can be panel, bulkhead, deckhead or console mounted. The system is  
delivered with mounting brackets as specified by the user. Install the display and control unit in  
accordance with the relevant section of the Installation Drawing Number EZ 52 590 8001 to 8010  
which can be found in chapter 6 "DRAWINGS" of this handbook.  
The mounting place should assure, that no direct sun light influences the visibility of the display  
and for clear display readings a viewing angle of ± 50° perpendicular to the display is  
recommended.  
The echosounder performance is limited by the acoustic in-water characteristics. These are mainly  
influenced by the transducer mounting position, the operating frequency and the efficiency of  
electrical-acoustical conversion.  
The transducer position must be selected in a way that the radiating surface is mounted in an area  
virtually free of turbulence and air bubbles. The sound waves are reflected by any layers of air  
bubbles or turbulence that strong, that the sound can not pass the layers and thus echosounding is  
prevented.  
Because of this fact the transducers should be mounted within the ship's bow area. In case of an  
existing bow thruster, the transducer must be mounted ahead or below the thruster outlet. If  
mounted behind the bow thruster, the performance of the echosounder will be degraded by  
turbulence and air bubbles. Even a total echosounding break down is possible.  
During bow thruster operation echosounding is not possible because a wide area around the  
thruster´s outlet is saturated with turbulence and air bubbles.  
On ships equipped with a bulb bow the transducer must be mounted ahead as far as possible,  
because the bulb generates a layer of air bubbles that heavily reduces the transducer /  
echosounder performance.  
A transducer mounted in the vicinity of the ship's stern can be operated only while drifting, at the  
pier or at very low speed. The reason is that the stern area is generally disturbed by turbulence  
and air bubbles, dependent on ship's speed. Additionally vibrations and engine noise may be a  
source of disturbances. The sound signal cannot penetrate this layer, the bottom echo fades away  
and the digital display shows the zero echo ( 1 - 1.5 m) or "?". For this reason only the front  
transducer must be used while sailing.  
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Once the transducer has been installed, the system must be set up to take certain factors into  
consideration. These are:  
• Never paint the radiating surface of the transducer.  
• Transducer installation depth beneath the surface.  
• Transducer installation height relative to the lowest part of the ship's keel.  
• Blocking depth, a setting to prevent false digital depth readings caused by resonance of  
non-ELAC transducers. This setting need not be altered from ZERO if using ELAC  
transducers.  
• Frequency of the transducer.  
• Installation position of the transducer, e.g. BOW, AFT, Pt., Stb, (if 2 transducers are  
installed).  
When a transducer is installed, i.e. before the ship is launched, measure the height difference  
between the radiating surface of the transducer and the lowest part of the keel and the distance  
between the waterline and the radiating surface of the transducer. These measurements are  
needed to compensate the differences when the system is initially set up. The transducer  
frequency can be found in the shipping documents.  
Connect the system up in accordance with the connection diagram which can be found in chap. 6.  
When cabling the system, take especial care that all signal lines are screened properly. The cable  
from the transducer to the connection box must be laid in an iron tube. From the connection box to  
the echo sounder there are three choices for a proper cable laying:  
-
-
the transducer cable is laid within an iron tube  
a double-screened cable is used as transducer cable, the inner screen is one-side  
connected to the echosounder's ground, the outer screen is one-side connected to the  
ship's ground.( see Figure 5- 1)  
-
the transducer cable is laid apart at least 500 mm from all other cables.  
By no means a single screened cable must be laid together with any other cable.  
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5.1.1 DISTORTION LEVEL TEST  
After routing and connecting the transducer cable a distortion level test has to be carried out, to  
ensure the correct routing and screening of the transducer cables.  
Test procedure:  
1. Switch on the echosounder LAZ 5100  
2. Select 500 m range  
3. Select Display Gain 10 (max.)  
4. Select Display Mode 1/2 for Dual Channel Unit  
5. Select Item Gain, man. in the Parameter Menu  
6. Select Gain 15 (max.)  
7. Check the recording on the LCD – Screen. Below the transmitting pulse and echo signals no or  
only light distortion shall appear on the screen.  
8. If strong distortion appear, check and correct transducer cable routing and screening according  
to the Installation Instruction.  
9. Repeat test procedure until the display is free of distortion.  
10. Return to normal mode  
Connect up peripheral equipment, i.e. external PC, printer, remote display unit etc. in accordance  
with the above mentioned connection diagram and referring to Figure 3-3 in chapter 3.5.  
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Kabelklemmen nur zur  
Befestigung der Wandlerkabel  
Cable Clamps only for fixing of  
Transducer Cables  
Kabellänge zwischen VK 10 und  
Wandler max. 30 m  
Cable Length between VK 10 and  
Transducer max. 30 m  
Figure 5-1 Instruction for transducer- cable connection  
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Transducer  
Type  
Electrical  
Power  
Maximum  
Maximum  
Frequency  
Manufacturer  
Cable Length Waterdepth  
600 m  
2200 m  
LSE 131  
LSE 132  
LSE 297  
LSE 133  
30 kHz  
Elac Nautik  
1000 Watt  
450 Watt  
250 Watt  
450 Watt  
(2x1,5mm2)  
600 m  
1200 m  
30 kHz  
50 kHz  
50 kHz  
Elac Nautik  
Elac Nautik  
Elac Nautik  
(2x1,5mm2)  
400 m  
600 m  
(2x1,5mm2)  
600 m  
1100 m  
(2x1,5mm2)  
150 m  
(2x1,5mm2)  
SW 6016  
LSE 148  
100 kHz  
100 kHz  
STN Atlas  
200 Watt  
450 Watt  
300 – 350 m  
250 m  
(2x2,5mm2)  
200 m  
(2x1,5mm2)  
Elac Nautik  
350 – 400 m  
300 m  
(2x2,5mm2)  
150 m  
(2x1,5mm2)  
250 – 300 m  
250 m  
LSE 313  
200 kHz  
Elac Nautik  
Elac Nautik  
250 Watt  
250 Watt  
(2x2,5mm2)  
150 m  
(2x1,5mm2)  
250 – 300 m  
250 m  
LSE 135  
200 kHz  
(2x2,5mm2)  
Table 5-1 Transducer type  
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5.1.2  
INITIAL SYSTEM SET-UP  
After installation of the LAZ 5100 please follow this procedure for setting into operation the first  
time.  
No.  
1.  
Item  
Result  
Installation check  
1.1  
1.2  
1.3  
1.4  
1.5  
1.6  
1.7  
Main supply (X3)  
Transducer (X1, X2) – cable screening, cable laying  
Printer (X7) – max. cable length 5 m  
NMEA – Output (X8) – RS 422  
NMEA – Input (X4) – RS 422  
Start / Stop – Output (X8)  
NMEA – Output (X6) – RS 422  
2.  
Setting into operation  
2.1  
2.2  
2.3  
2.4  
Disconnect Printer, NMEA - Input and Output  
Only Main Supply and Transducer connected  
Switch „ON“ the unit  
Check and do basically settings  
- frequency  
- sound velocity (1.500 m/s)  
- blocking depth (2 - 2.9 m)  
- draft, trim  
- NMEA - Interface (4.800 baud, 8N1)  
- date and time  
2.5  
2.6  
Check the function of the unit  
- depth recording  
- LC - Display  
Check distortion level  
- select 500 m range  
- select item Manual Gain  
- select gain Vmax (15)  
- no or light distortion shall appear on the LCD – screen  
- reduce gain, until the screen is free of distortion  
- notice gain level  
- return to normal mode  
2.7  
2.8  
2.9  
Connect NMEA - Output (if requested)  
- check data at receiving unit  
Connect NMEA - Input (if requested)  
- check data on LC- Display  
Connect Printer (if available)  
- check recording on printer  
2.10 Connect Start/Stop - Output (i.e. DAZ 13) (if requested)  
3.  
Sea Trial  
3.1  
Check the performance of the transducer  
- distortion (airbubbles, turbulence) under the  
- recording free of electrical noise?  
- depth indication, analogue and digital  
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Once the system has been correctly installed, the initial set-up can be carried out. Call up the  
SYSTEM SET-UP MENU by pressing the ENTER key four (4) times. When the SYSTEM SET-UP  
MENU appears on the display area, press the CURSOR W key three (3) times so that the word  
Service is highlighted as shown below.  
SYSTEM-SETUP  
Date  
Time  
11.02.03  
12:34  
Color up  
Color down  
Service  
>>  
Version  
Version number and date  
Press the ENTER key and the WARNING shown below will appear.  
WARNING!  
Changing parameters  
in the following  
menus should only  
be done by qualified  
persons  
Continue ?  
NO  
NO/YES, select YES for SERVICE menu  
WARNING: Only qualified service technicians are allowed to alter these system settings. If  
you are not authorised to alter these settings, DO NOT continue. Press either  
the ENTER or ESCAPE key to return to the SYSTEM SET-UP menu.  
UNAUTHORISED ALTERATION OF THESE SETTINGS CAN ENDANGER THE SAFETY OF  
THE SHIP AND LEAD TO LOSS OF LIFE AND LIMB.  
If not authorised to make alterations, press the ESCAPE or ENTER key to return to the  
SYSTEM SET-UP menu.  
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Access to the SERVICE MENU is gained by pressing any CURSOR key. The word NO will change  
to YES. Press the ENTER key and the SERVICE MENU, shown below, will appear.  
SERVICE  
Channel 1  
Channel 2  
>>  
>>  
>>  
To call up Channel 1 parameter MENU  
To call up Channel 2 parameter MENU  
To call up interface parameter MENU  
ON - OFF  
Interfaces  
Display 15 min  
Power adjust  
ON  
The SERVICE MENU allows the service technician to access the following sub-MENUS:  
• Channel 1 - allows selection of Draft, Trim, Blocking Depth, Frequency and  
Location for the Channel 1 transducer.  
• Channel 2 - allows selection of Draft, Trim, Blocking Depth, Frequency and  
Location for the Channel 2 transducer, if fitted. If no 2nd Channel is  
fitted, this MENU is not available  
• Interfaces - allows selection of parameters for data transfer.  
• Display 15 min  
altering the selection of the recording display time.  
In order to set or alter the parameters for Channel 1, call up the CHANNEL 1 MENU, as  
follows:  
• Call up the SERVICE MENU as previously described  
• CURSOR W (1x, to mark Channel 1)  
• ENTER (1x, to call up the Channel 1 parameters MENU as seen below)  
CHANNEL 1  
Draft  
0.0  
0.0  
0.0  
50  
(0.0..29.9 m)  
Trim  
(0.0...4.9 m)  
Blocking Depth  
Frequency  
Location  
(0.0...2.9 m)  
(28, 33, 38, 50, 100, 200, 210 kHz)  
(BOW, AFT, Stb., Pt.)  
BOW  
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The CHANNEL 1 MENU allows the service technician to set the following parameters:  
• Draft  
the transducer installation depth is entered here, i.e. the depth  
of the transducer below the waterline, e.g. 5.6 m. This  
compensation allows accurate surface to sea bed  
measurements..  
• Trim  
the distance between the transducer and the lowest part of the  
keel is entered here, e.g. 0.3 m. This compensation allows  
accurate keel to sea bed measurements.  
• Blocking depth this setting is to prevent false digital depth readings caused by  
the effects of resonance of non-ELAC transducers. If the water  
depth is less than the depth set here, the digital display will show  
a „?“ but the analogue depth reading will be displayed correctly.  
• Frequency  
the transducers working frequency is entered here, e.g. 50 kHz.  
• Location  
the position where the transducer is installed is entered here,  
e.g. BOW. This parameter can not be altered for single  
channel systems.  
To alter the Draft setting, press the following keys:  
• Call up the CHANNEL 1 SUB MENU as described previously  
• CURSOR W (1x, to mark the word Draft)  
• ENTER (1x, to mark the 1st digit)  
• CURSOR W or V (to alter the metre (1st digit) setting)  
• ENTER (1x, to confirm selection and jump to 2nd digit)  
• CURSOR W or V (to alter the 1/10th of a metre (2nd digit) setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the Trim setting, press the following keys:  
• Call up the CHANNEL 1 SUB MENU as described previously  
• CURSOR W (2x, to mark the word Trim)  
• ENTER (1x, to mark the 1st digit)  
• CURSOR W or V (to alter the metre (1st digit) setting)  
• ENTER (1x, to confirm selection and jump to 2nd digit)  
• CURSOR W or V (to alter the 1/10th of a metre (2nd digit) setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the Blocking Depth setting, press the following keys:  
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• Call up the CHANNEL 1 SUB MENU as described previously  
• CURSOR W (3x, to mark the word Blocking Depth)  
• ENTER (1x, to mark the 1st digit)  
• CURSOR W or V (to alter the metre (1st digit) setting)  
• ENTER (1x, to confirm selection and jump to 2nd digit)  
• CURSOR W or V (to alter the 1/10th of a metre (2nd digit) setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the Frequency setting, press the following keys:  
• Call up the CHANNEL 1 SUB MENU as described previously  
• CURSOR W (3x, to mark the word Frequency )  
• ENTER (1x, to mark the frequency selected e.g. 200)  
• CURSOR W or V (to alter the setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
IMPORTANT NOTE: The new setting can only be activated by re-starting the system (i.e.  
switch the system OFF and then ON again).  
To alter the Location setting, press the following keys:  
• Call up the CHANNEL 1 SUB MENU as described previously  
• CURSOR W (5x, to mark the word Location )  
• ENTER (1x, to mark the location selected e.g. BOW)  
• CURSOR W or V (to alter the setting)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
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In order to set or alter the parameters for Channel 2, call up the CHANNEL 2 MENU, as  
follows:  
• Call up the SERVICE MENU as previously described  
• CURSOR W(2x, to mark Channel 2)  
• ENTER (1x, to call up the Channel 1 parameters MENU as seen below)  
Proceed from here in exactly the same way as described for Channel 1 settings.  
To call up the INTERFACE MENU. proceed as follows:  
• Call up the SERVICE MENU as described previously  
• CURSOR W (3x, to mark the word Interfaces)  
• ENTER (1x, to call up the INTERFACES SUB-MENU)  
The INTERFACE MENU shown below will appear.  
INTERFACES  
External PC  
Mode  
Baud  
8N1  
(7E1, 7E2, 8N1, 8E1, 8N2, 8E2)  
19200  
(1200, 2400, 4800, 9600, 19200, 38400 Baud)  
NMEA/DAZ 25  
Mode  
8N1  
4800  
(7E1, 7E2, 8N1, 8E1, 8N2, 8E2)  
(1200, 2400, 4800, 9600, 19200, 38400 Baud)  
(SLOW, FAST)  
Baud  
Rep. rate  
Protocol  
SLOW  
DPT/DBT  
(DPT/DBT, ELAC)  
This menu allows the service technician to assign the interfaces to fit to other peripheral  
equipment, e.g. a personal computer or digital slave indicators.  
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To alter the External PC Mode, press the following keys:  
• Call up the INTERFACES SUB-MENU as described previously  
• CURSOR W (1x, to mark the word Mode)  
• ENTER (1x, to mark the selected mode)  
• CURSOR W or V (to alter the mode)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the External PC Baud rate, press the following keys:  
• Call up the INTERFACES SUB-MENU as described previously  
• CURSOR W (2x, to mark the word Baud)  
• ENTER (1x, to mark the selected Baud rate)  
• CURSOR W or V (to alter the Baud rate)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the NMEA/DAZ 25 Mode, press the following keys:  
WARNING: The NMEA/DAZ 25 interface Mode and Baud rate are laid down by the National  
Marine Electronics Association. If these are altered, the interface will no  
longer be to this NMEA standard.  
• Call up the INTERFACES SUB-MENU as described previously  
• CURSOR W (3x, to mark the word Mode)  
• ENTER (1x, to mark the selected mode)  
• CURSOR W or V (1x, to alter the mode)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
To alter the NMEA/DAZ 25 Baud rate, press the following keys:  
• Call up the INTERFACES SUB-MENU as described previously  
• CURSOR W (5x, to mark the word Baud)  
• ENTER (1x, to mark the selected Baud rate)  
• CURSOR W or V (to alter the Baud rate)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
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To alter the Protocol, press the following keys:  
• Call up the INTERFACES SUB-MENU as described previously  
• CURSOR W (6x, to mark the word Protocol)  
• ENTER (1x, to mark the selected Protocol)  
• CURSOR W or V (to alter the Protocol)  
• ENTER (1x, to confirm selection)  
• ESCAPE (2x, to leave the MENU)  
Note, that the Protocol ELAC is only applicable for dual channel units, see also chapter 3.5.1  
Description of Interfaces.  
To alter the recording display time on the LCD – Screen, press the following keys  
Call up the Display 15 min Sub Menu as described previously  
-
-
-
-
Enter (1x), to mark “ON” or “OFF”  
Cursor to alter the setting  
Enter (1x), to confirm the selection  
Escape(2x), to leave the Menu  
Once the initial system settings have been made they need only be altered if for example a 2nd  
transducer is added or the original transducer is replaced for one of a different frequency.  
If a 2nd transducer is added at a later date, parameters must be entered in the channel 2 sub-  
menu. The parameters for channel 1 must not be altered. ( See installation instruction  
UN 52 590 4001 for the integration of the second channel).  
If the original transducer is replaced and the replacement is fitted at a different location, the  
parameters must be altered accordingly.  
5.1.3 POWER ADJUST  
This adjust feature allows the authorised service person to alter the transmit power according to  
cable length on bord.  
5.2  
CARE AND MAINTENANCE  
The LAZ 5100 Navigation Echo Sounder is largely maintenance free. The transducer(s) should be  
cleaned whenever an opportunity arises, e.g. when the ship is in dock. The Transducer(s) can be  
cleaned using a plastic scraper or scrubbing brush, see note below.  
NOTE:  
Never use metal scrapers or wire brushes to clean the transducer(s). Never  
paint the radiating surface of the transducer(s).  
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The housing of the control and display unit can be cleaned using a non-abrasive household  
cleaning agent. Use window/glass cleaning fluid to clean the display area screen. Do not apply  
unnecessary pressure to the screen area when cleaning.  
If the system cables are exposed, i.e. are not run in ducts or tubes, check them at monthly  
intervals for insulation damage.  
If the system is defective and requires repair, onboard service is normally not possible because of  
the high density electronics. Onboard service is done by exchanging PCB´s ( Printed Circuit  
Boards), a list of spare parts available can be seen overleaf. Order spares from the address below  
stating part(s) required and ident. number(s).  
L-3 Communications ELAC Nautik GmbH  
Neufeldtstrasse  
24118 Kiel  
Germany  
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5.3  
SPARE PARTS LIST  
Spare Part  
Power supply unit.........................................................................................  
Ident. No.  
.......06 990 0274  
Printed circuit board A3................................................................................ .......52 603 181801  
Fuses (line) F1, F2, T2A............................................................................... .......06 710 1200  
Main board PSE 33......................................................................................  
Frontpanel complete....................................................................................  
.......57 319 8001  
.......52 603 1002  
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6
DRAWINGS  
Dimensional drawing  
: MB 52 603 8001  
: MB 54 555 1101  
: MB 54 555 8002 to 8004  
: MB 54 568 1101  
: MB 54 568 8001  
: EZ 52 603 8001  
: EZ 54 555 8002 to 8004  
: EA 54 555 8002  
: EZ 54 568 8001  
: EA 54 568 8001  
: SP 52 590 8001  
: VE 44 390 8001  
: KA 44 390 8001  
Installation drawing  
Circuit diagram:  
Connection Diagram  
Cable Joining List  
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