Kathrein Satellite TV System MSK 25 User Manual

Instruction Manual

MSK 25

Satellite/TV/FM

Test Receiver

analogue/digital

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Contents

Preface.............................................................................................................................................................. 2

Contents ........................................................................................................................................................... 3

General Information......................................................................................................................................... 5

Signs and Symbols ........................................................................................................................................ 5

Safety Rules................................................................................................................................................... 5

Functionality .................................................................................................................................................... 6

Overview of Functions.................................................................................................................................... 7

Technical Data ................................................................................................................................................. 9

Control Elements and Indicators ................................................................................................................. 11

Control Elements.......................................................................................................................................... 11

TFT Colour Screen................................................................................................................................... 11

Connections (right hand side)...................................................................................................................... 11

Short Cut Overview ....................................................................................................................................... 12

Connections................................................................................................................................................... 13

RF Input Socket ........................................................................................................................................... 13

External DC Voltage Supply ........................................................................................................................ 13

Scart Output................................................................................................................................................. 13

RS 232 Interface .......................................................................................................................................... 13

Commissioning.............................................................................................................................................. 14

Switching-Up................................................................................................................................................ 14

Switching-Off................................................................................................................................................ 14

Setup-Menu.................................................................................................................................................. 15

Factory Setting on Delivery ...................................................................................................................... 15

Setup Menu Setting.................................................................................................................................. 15

Setup Menu Call-Up ............................................................................................................................. 15

Mains Operation and Battery Operation ...................................................................................................... 16

Mains Operation ....................................................................................................................................... 16

Battery Operation ..................................................................................................................................... 16

SAT measurement ......................................................................................................................................... 17

Standard Change-Over................................................................................................................................ 17

Frequency Display and Frequency Entry..................................................................................................... 18

SAT Menu Frequency Entry..................................................................................................................... 18

SAT Analogue Level Measurement ............................................................................................................. 19

Level Overflow and Level Underflow........................................................................................................ 19

SAT DVB-S Level Measurement ................................................................................................................. 19

Locating Satellites........................................................................................................................................ 20

Bearing for Individual Reception Frequencies............................................................................................. 21

SAT Analogue Sound Carrier Frequency .................................................................................................... 22

DVB-S MER, BER and Offset Measurement............................................................................................... 23

MPEG Picture Representation (option) in DVB-S........................................................................................ 23

LNB Voltage and 22 kHz/60 Hz Change-Over ............................................................................................ 24

DiSEqC™ (Digital Satellite Equipment Control) .......................................................................................... 26

Framing Byte Menu.................................................................................................................................. 27

Address Byte Menu.................................................................................................................................. 28

Command Byte Menu............................................................................................................................... 29

Data Byte Menu........................................................................................................................................ 31

Simple Tone Burst DiSEqC™...................................................................................................................... 31

TV measurement............................................................................................................................................ 32

Standard Change-Over................................................................................................................................ 32

DVB-C/DVB-T Change-Over ....................................................................................................................... 33

Channel display and channel entry.............................................................................................................. 34

Frequency Display and Frequency Entry..................................................................................................... 35

Level Measurement TV Analogue................................................................................................................ 36

Level Overflow and Level Underflow........................................................................................................ 36

TV/DVB-C/DVB-T Level Measurement........................................................................................................ 36

Bearing for Individual Reception Frequencies............................................................................................. 37

Sound Carrier Distance and Sound Carrier Level ....................................................................................... 38

NICAM Sound Bit Error Rate Measurement................................................................................................ 39

DVB-C/DVB-T (option), MER, BER and Offset Measurement..................................................................... 40

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Contents

MPEG Picture Representation (option) in DVB-C or DVB-T (option).......................................................... 40

FM measurement ........................................................................................................................................... 41

Frequency Indication and Frequency Entry................................................................................................. 41

Level Measurement...................................................................................................................................... 42

Level Overflow and Level Underflow........................................................................................................ 42

Bearing for Individual Reception Frequencies............................................................................................. 43

Spectrum Measurement................................................................................................................................ 44

SAT Spectrum.............................................................................................................................................. 44

TV Spectrum ................................................................................................................................................ 44

FM Spectrum................................................................................................................................................ 45

Maintenance................................................................................................................................................... 46

Changing the Battery ................................................................................................................................... 46

Customer Service..................................................................................................................................... 46

Technical Appendix....................................................................................................................................... 47

Signal-to-Noise-Ratio................................................................................................................................... 47

DiSEqC™ Commands for Kathrein Matrices............................................................................................... 48

Instruction Set for 9xx Kathrein Matrix Production Run ........................................................................... 48

Instruction Set for EXR 20 Kathrein Matrix .............................................................................................. 48

Instruction Set for EXR 22 Kathrein Matrix .............................................................................................. 48

Channel Tables............................................................................................................................................ 49

Channel Table and Frequency Table B/G Standard (frequencies in MHz).............................................. 49

Channel Table and Frequency Table L Standard (frequencies in MHz).................................................. 50

Channel Table and Frequency Table D/K Standard (frequencies in MHz).............................................. 51

Channel Table and Frequency Table I Standard (frequencies in MHz)................................................... 52

Channel Table and Frequency Table M1 Standard (Japan) (frequencies in MHz) ................................. 53

Channel Table and Frequency Table M/N Standard (frequencies in MHz) ............................................. 54

Channel Table and Frequency Table M/N Standard (frequencies in MHz) ............................................. 55

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General Information

This user manual has been compiled for persons with some electrical

engineering ability and knowledge. Users who have already operated

similar measuring instruments can obtain the necessary commands for

each operating step from the overview. In addition, the following

examples will help you understand each operating step.

Signs and Symbols

Always adhere to the instructions classified with the warning signal

carefully, as otherwise the MSK 25 test receiver may be damaged or

even be destroyed.

This symbol provides information on measuring functions and refers to

chapters containing further particulars on a subject.

☞

✐

This symbol is followed by an example of the measuring function

explained.

Find an overview of the commands for the germane short cut for the

particular measuring function.

[key]

Key on the instrument to be pressed.

Safety Rules

Careful observance of the VDE safety instructions is essential!

Only fuses with the same power-down characteristics are to be used!

On feeding in signals, heed the allowable peak levels!

• HF input: max. 120 dBµV (60 dBmV)!

• Do not connect direct-current (DC) voltage to the RF socket!

Do not connect low frequency alternating-current (AC) voltage to the RF

socket!

The instrument is also energised when disconnected!

Use only the power supply unit provided for voltage feed!

Depending on the programming, between 5 V and 20 V may be

connected to the RF input socket. From 10 V to 20 V, up to 500 mA can

be obtained from the source, and up to 100 mA can be obtained from 5 V

to 9.9 V.

Additionally included in Delivery

1 Wall power supply

1 BNC measuring cable

1 Adapter BNC socket – F socket

1 Adapter BNC socket – F plug

1 Adapter BNC socket – IEC socket

1 Adapter BNC socket – IEC plug

1 20 dB attenuation plug with d.c. voltage passage

(Find indications on the frequency response of the enclosed attenuation

plug on the last page)

Electronic equipment is not household waste - in accordance with

directive 2002/96/EC OF THE EUROPEAN PARLIAMENT AND THE

COUNCIL of 27th January 2003 on used electrical and electronic

equipment, it must be disposed of properly.

At the end of its service life, take this unit for disposal at a relevant

of. cial collection point.

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Functionality

The MSK 25 has been conceived as a portable test receiver for TV, SAT

and FM radio measurements, as well as for DVB-C, DVB-S and DVB-T in

both, battery operation and mains operation. The built-in lead battery (3.4

Ah) and a wall power supply with a built-in charger, suitable for 230 VAC,

are included in delivery.

Controlling and scanning of the console and the display of frequency and

level on the LCD are carried out by a microcontroller. The receiving

frequency is indicated in MHz. Levels are measured with a peak value

detector or with an average value detector and indicated digitally in dBµV

or dBmV. Correction values are determined when the levels are

calibrated for the MSK 25 and stored in EEPROM. Thus, precise level

measurement readings can be recorded.

A bargraph display is provided to help locate transmitters. In addition, a

level-dependent acoustic signal facilitates the antenna alignment. The

display need not be observed.

The audio part with its built-in loudspeaker can process and reproduce

the various Sat and TV-NF signals complying with the B/G, D/K, I, M1

(JAPAN) and M/N standards, as well as with the FM audio signals and

the DVB-C-, DVB-T- and DVB-S signals (if the intrument provides MPEG

or DVB-T respectively). NICAM and AM sound reproduction (L standard)

is also possible.

The LNB supply voltage of 20 V /, max. 500 mA, with a graduation of 0.1

V, as well as the superimposition of 22 kHz / 60 Hz and the option to

send DiSEqC™ commands or Simple-DiSEqC™commands, cover all

currently known specifications. In DVB-T mode, you can obtain antenna

feed voltage between 5 V and 9.9 V, max. 100 mA, from the RF socket.

The built-in TFT colour screen allows the screening and evaluation of

analogue TV and SAT signals on the spot. If MPEG option is provided,

also digital signals can be displayed.

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Technical Data

Power supply

Mains operation

Battery operation

230 VAC, 50/60 Hz

Lead Battery 12 V/3.4 Ah

Dimensions

Width 260 mm, Height 90 (120) mm, Depth 165 mm

incl. accessories (plus case)

Weight

ca. 4.5 kg (incl. case)

Safety standards

CE mark

Protection class II

VDE EN 61010

Display

TFT screen, LCD alpha numeric, 2x16 characters, Bargraph

display, backlit

Temperature range

Frequency range

+5 C to +45 C

920 MHz...2150 MHz

48 MHz...858 MHz

SAT

88 MHz...108 MHz (48 MHz...858 MHz)

Channel configuration

Frequency tuning

B standard 7 MHz

8 MHz

6 MHz

D/G/I/K standard

M/N/M1 standard

SAT

0.125 MHz graduations

50 kHz graduations

Measurement error

SAT

TV/FM

Max. ±2 dB

RF input

BNC 75 Ω coaxial socket

RF input reducer

0 – 60 dB in 4 dB graduations

30–120 dBµV

Level measurement range

Measurement bandwidth

SAT

6 MHz

SAT DVB 6 MHz

250 kHz

TV/DVB

6 MHz

Measuring detector

SAT

Average value display

Maximum value display

Average value display

Voltage standing wave ratio

FM threshold

> 6 dB

SAT

< 9 dB

Audio-IF bandwidth

SAT

230 kHz/150 kHz

230 kHz

Audio Deemphasis

SAT

TV/FM

50 µs

Audio processing SAT FM audio processing

TV FM and Nicam in quasi-parallel audio mode

AM in parallel audio mode (L standard only)

5.0 MHz…8.99 MHz in 10-kHz graduations

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Technical Data

B/G standard

D/K standard

I standard

TT1 = 5.5 MHz, TT2 = 5.74 MHz

TT1 = 6.5 MHz, TT2 = 6.26 MHz

TT1 = 6.0 MHz

M/N standard

M1 standard

L standard

B/G standard

I standard

TT1 = 4.5 MHz, TT2 = 4.72 MHz

TT1 = 4.5 MHz

AM 6.5 MHz, Nicam = 5.85 MHz

Nicam = 5.85 MHz

Nicam = 6.552 MHz

FM FM audio processing

Sound carrier measurement TV

48 MHz...858 MHz

Standard B/G

5.85 MHz

5.5 MHz, 5.74 MHz,

D/K standard

I standard

L standard

M/N standard

M1 standard

6.5 MHz, 6.26 MHz

6.0 MHz, 6.552 MHz

6.5 MHz, 5.85 MHz

4.5 MHz, 4.72 MHz

4.5 MHz

Nicam decoder

Sound carrier distance

TV 5.58 MHz with B/G, D/K, L standards

6.552 MHz with I standard

Nicam BER

DVB-S modulation method¹⁾

0-4 x 10^-2

QPSK

DVB-C modulation method¹⁾

DVB-T modulation method¹⁾

DVB-S-MER¹⁾

64 QAM, 128 QAM, DOCSIS 64 QAM (MER and Offset only)

OFDM, 2k, 8k, QPSK, 16 QAM, 64 QAM (Option)

-20 dB

-32 dB

DVB-C-MER¹⁾

DVB-T-MER¹⁾

-32 dB

(Option)

DVB-S-BER pre-Viterbi¹⁾

0 – 2.8 x 10^-2

DVB-C-BER pre-Reed Solomon¹⁾

DVB-T-BER pre-Viterbi¹⁾

DVB-S carrier-offset-measurement¹⁾

DVB-C carrier-offset-measurement¹⁾

DVB-T carrier-offset-measurement¹⁾

(Option)

LNB supply voltage

SAT

0, 10 V...20 V, max. 500 mA

0, 5 V...9.9 V, max. 100 mA

External feeding voltage

LNB control

SAT 22 kHz, 60 Hz, DiSEqC™, Simple DiSEqC™

1 V_pp/75 Ohm

SCART output

1) For measuremts exceeding 100 dBµV please use the enclosed attenuation plug, as otherwise no video representation and no MER

and BER measurements are possible.

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Control Elements and Indicators

TFT colour screen

LC display

HF input socket

LED volume control

Keyboard

Control Elements

The following is displayed on the two-row 16 digit LC display, depending

on the mode:

•

the channel set,

the frequency set,

the function called up,

the mode,

FR: 954.0 MHz

LEV: 40.0 dBuV

SAT

the measured level

the measured value

TFT Colour Screen

The colour screen has a diagonal of 4“, a resolution of 238 x 480 pixel,

and a luminance of 250 cd/m².

Connections (right hand side)

(AV) Scart connections without inputs, RS 232 interface,,

supply voltage DC – for the power supply unit delivered only

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Short Cut Overview

Key

Brief description of the various functions

SAT/DVB-S

TV/DVB-C/*DVB-T

Change-over

Change-over to

SAT/TV

Change-over to

TV reception

SAT reception

Diminish current values

Elevate current values

Numeric character entry

0-9

./S

Decimal point for

•

Decimal point for

numeric character entry

numeric character input

Special channel call up

•

ENTER

Confirm numeric character entry

2ndF + key

Call-up of the second command level

Change-over to FM

Call-up of DiSEqC™

menu / remote feeding

Remote feeding voltage

and current

Sat-Ctrl

Call-up of DiSEqC™ menu /

LNB

Menu / Remote feeding

LNB

LNB voltage menu and

current measurement

Remote feeding voltage and

current measurement

measurement

•

Call-up of frequency

Change-over from

channel display to

frequency display and

reverse

Ch-Freq

Std

No function

DVB-S/analogue change--

over

DVB-C/*DVB-T/analogue-

change-over

standard-change-over

DVB-C-/*DVB-T

measurement

DVB

DVB-S measurement

MER, BER, OFFSET

*MPEG programme

selection

MER, BER, OFFSET

*MPEG programme

selection

(Subcarrier) sound carrier menu, sound carrier measurement No function

Scan

Frequency-independent

satellite search

No function

Level ♫

Spect

Switch-on level-dependent acoustic signal with bargraph display

Spectrum analysis

Setup

Adjustment of instrument settings

* only if option is provided

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Connections

RF Input Socket

The received signal of the antenna or of the cable network is fed in here

(BNC coaxial socket).

The remote feeding voltage (for LNB) is adjustable from 5 V_DCto 20 V_DC

and can be switched off. When the LNB voltage is switched on, the LED

next to the RF input socket flashes.

Make sure that there are

•

no voltage level over 120 dBµV,

no positive DC voltage over 22 V_DC,

no negative DC voltage and

no AC voltage

adjacent to the RF input socket.

Non-compliance with these warning notices may destroy the input circuit.

External DC Voltage Supply

The MSK 25 may either be mains operated or battery operated (batteries

built-in). The external voltage supply is carried out via the DC socket at

the right side of the MSK 25 box, with the wall power supply and the

charger, both included in delivery. Sustained continuous operation (incl.

MPEG option) is possible in case of an LNB power consumption of no

more than max. 300 mA. Additional current will be drained from the

battery built-in if the power consumption is higher than that.

Make sure that

•

only the wall power supply included in delivery is used.

the wall power supply is not connected to the instrument but for

voltage feed. Otherwise the battery of the MSK 25 will be discharged!

Scart Output

The video and audio signals are emitted on the Scart socket on the right

hand side of the MSK 25, for rating purposes on an external monitor.

There are no inputs!

Misallocations of the connections may cause damage or destruction

of the instrument!

RS 232 Interface

Software updates are possible via RS 232 interface.

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Commissioning

Switching-Up

•

Connect the instrument to the mains with the wall power supply.

Turn the on/off switch to the right.

Adjust the desired volume.

Software V2.0

SN: 000222

The LC display will then indicate the particular software version for appr.

1 second.

Thereafter the LC display will indicate the loading capacity of the battery

for appr. 3 seconds.

ACCU

[−−−−−]

One segment comes up to appr. 20% of the overall capacity (3.4 Ah).

Now, feed in the reception signal of the receiving installation in the RF

input socket.

LC display:

•

channel

mode

CH: .02.

LEV: 48.5dBuV

level (A = analogue level measurement; D = digital level

measurement)

Select the desired mode by pressing [TV/SAT]

Switching-Off

Turn the on/off switch counter-clockwise.

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Commissioning

Setup-Menu

The basic setting (status of the MSK 25 after switching it on) can be set in

the Setup menu.

Factory Setting on Delivery

Parameter

POWER ON

LNB DC

LEVEL

Low Level Mute

Setting

OFF

dBµV

Setup Menu Setting

Setup Menu Call-Up

Press [2ndF] and [SETUP].

The particular mode (TV, SAT, FM) is selected and taken-over by

pressing either [1], [2] or [3]. The current setting is retained by pressing

[ENTER.]

POWER ON

1=TV 2=SAT 3=FM

1. Setup menu

The following requests appear:

LNB DC

1=OFF

Press either [1] or [2] to switch on/off the LNB voltage supply.

2=ON

Press [ENTER] to retain the current setting.

2. Setup menu

Press either [1] or [2] to determine the measurement unit the level is to

be displayed with.

Level

1=dBµV

2=dBmV

Press [ENTER] to retain the current setting.

3. Setup menu

Set or offset the mute function by pressing either [1] or [2]. Select „ON“ to

mute the MSK 25 until the input signal on the RF input exceeds

30 dBµV.

LOW LEVEL MUTE

1=OFF

2=ON

4. Setup menu

Press [ENTER] to retain the desired setting.

Unless the factory settings have been changed, the indication opposite is

displayed.

CH: .07.

LEV:____.__dBµV

Basic setting

After setting the Low Level Mute, the 4th Setup menu will be exitted

automatically and the basic setting will be displayed.

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Commissioning

Mains Operation and Battery Operation

The MSK 25 may either be mains operated or be battery operated

(battery built-in).

Mains Operation

Only the wall power supply delivered may be used for power supply.

Connect it to the voltage supply socket on the right hand side of the

instrument.

Sustained continuous operation (incl. MPEG option) is possible in case of

an LNB power consumption of no more than max. 300 mA. Additional

current will be drained from the battery built-in if the power consumption

is higher than that.

In case of any longer-lasting placing-out-of-operation, connect the MSK

25 to the mains supply occasionally (trickle charge).

Make sure that the wall power supply is not connected to the instrument

but for voltage feed. Otherwise the battery of the MSK 25 will be

discharged!

Battery Operation

Battery operation is only possible if the battery is sufficiently charged.

Otherwise the MSK 25 cannot be switched on.

When completely discharged, the battery must immediately be

recharged, since otherwise it may be damaged or destroyed.

Charging begins automatically as soon as the instrument has been

connected to the mains supply. Battery supercharge is avoided with a

protective circuit.

When switching on the MSK 25, the loading capacity of the battery is

indicated for appr. 3 seconds.

The maximum operating time with a fully charged battery is appr. 2.5 hrs,

in case of an LNB supply current of 150 mA.

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SAT measurement

Standard Change-Over

In SAT mode, the MSK 25 receives

•

analogue signals and

DVB-S signals.

•

SAT Menu Standard Change-Over

[2ndF] [STD] calling up menu standard change-over:

[1] to [2]

select standard

1 = analogue

2 = digital (DVB-S)

Examples

Calling up DVB-S standard

Press [2ndF] [STD]

✐

The LC display indicates the following options:

•

1 = analogue standard

1=ANALOGUE

2=DVBS

2 = digital (DVB-S) standard

When selecting ‚2‘ you will get to the symbol-rate-selection

The LC display indicates the following options:

Under the position 4=USER you can enter sample rates from 1,500 up to

32,000 ks and close with ENTER.

1=27500

3=22000

2=24500

4= USER

Standard menu

When you have selected an option, you will leave the standard menu and

the instrument will be set to DVB measurement.

FR:1288.0MHz

LEV: 66.5dBuV

SAT

The display indicates ‘D’.

Display for DVB-S measurement

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SAT measurement

Frequency Display and Frequency Entry

To measure the level of a received signal, you must first enter the

frequency required. The LC display indicates the frequency and the level

measured. Frequency entry is possible from 920 MHz to 2150 MHz in

100 kHz steps.

☞

SAT Menu Frequency Entry

[SAT/TV] Changing over to SAT reception

[0] to [9] Entering frequency

[+] [-]

Varying frequency in 100 kHz steps

[ENTER] Confirming your entry

LC display:

FR:1288.0MHz

LEV: 66.5dBuV

SAT

•

Frequency: 1288 MHz

Mode: SAT

│

Level: 66.5 dBµV A (A = analogue)

Example

Enter the frequency 1508 MHz by pressing [1] [5] [0] [8] [ENTER]

✐

FR:1508.0MHz

LEV: 86.5dBuV

LC display:

•

frequency: 1508 MHz

mode: SAT

SAT

│

level: 86.5 dBµV (A = analogue)

The indicaton „+“ or „–“ on the display means that the MSK 25 has not

been exactly tuned to the carrier required. Bei pressing either [+] or [-],

the frequency can be finetuned for optimum reception. This has been

achieved when a vertical line appears on the display.

Note

Press [ENTER] to complete the frequency entry.

The last frequency entry will be retained even after you have switched off

the MSK25, provided that the entry was carried out via numeric character

input ending with ‚MHz‘

☞

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SAT measurement

SAT Analogue Level Measurement

Once you have entered a frequency, the level is measured automatically

and displayed either in dBµV or dBmV (depending on the basic

configuration) on the LC display. The input level can be measured in the

range of 30 dBµV to 120 dBµV (-30 dBmV to 60 dBmV).

LC display:

•

Frequency: 1508 MHz

Mode: SAT

FR:1508.0MHz

LEV: 86.5dBuV

SAT

A │

Level measured: 86.5 dBµV A

Level Overflow and Level Underflow

The LC display indicates underflow at a level of < 30 dBµV.

The following indications appear on the display:

FR:1508.0MHz

LEV: __._dBuV

SAT

A │

•

frequency: 1508 MHz

mode: SAT

level: underflow

The LC display indicates overflow at a level of > 120 dBµV.

The following indications appear on the display:

FR:1508.0MHz

LEV: ¯¯˙¯dBuV

SAT

A │

•

frequency: 1508 MHz

mode: SAT

level: overflow

Note

DVB-S signal levels can only be measured when the digital reception is

set.

☞

SAT DVB-S Level Measurement

LC display when the DVB-S level is measured:

The change-over from the analogue measurement to the digital level

measurement is described in chapter ‚standard change-over‘

•

Frequency 1236 MHz

Mode: SAT DVB-S

FR:1236.0MHz

LEV: 86.5dBuV

SAT

Level measured: 86.5 dBµV D

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SAT measurement

Locating Satellites

With the SCAN function, satellites, the exact transponder frequencies of

which are unknown, can be located. In doing so, the frequency range

from 1000 MHz to 2100 MHz is continuously scanned for received

signals. If signals are received, the reception level is displayed as a bar

graph. The measurement range may be adjusted to three different

sensitivity levels.

The level can be monitored with an acoustic signal, the pitch of which is

proportional to the received-signal level. The volume of the acoustic

signal can be adjusted with the volume regulator.

SCAN Menu

[2ndF] [SCAN] Changing over to SCAN mode

[-] [+]

Change-over of the bar graph measurement range.

Level range 1: high input levels

Levelrange 2: medium input levels

Level range 3: low input levels

[2ndF] [2ndF] Exit

LC display:

•

Level range 2: medium input level

LEV-Range:2

> ■■■■

SAT

SAT mode

Bargraph display

Example

Calling up SCAN mode:

✐

• Press [2ndF] [SCAN].

• Move the antenna until there is a level tendency visible on the bargraph

display.

• Move the antenna until the maximum amplitude on the bargraph display

is reached.

• If necessary, diminish or elevate the sensitivity by pressing either [-] or

[+].

Exit:

• Press [2ndF] twice.

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SAT measurement

Bearing for Individual Reception Frequencies

The „LEVEL ♫“ function allows the antenna alignment to maximum

received signal via bearing. The level tendency can be bargraph-

displayed.The measurement range can be adjusted to three different

sensitivity levels.

The level can be monitored with an acoustic signal, the pitch of which is

proportional to the received-signal level. The volume of the directional

radio audio signal can be adjusted with the volume regulator.

Bearing Menu

[2ndF] [LEVEL ♫] Changing over to bearing mode:

[-] [+] Change-over of the measurement range of the bar graph. The

measurement range is automatically preselected.

Level range 1: high input levels

Level range 2: medium input levels

Level range 3: low input levels

[2ndF] [2ndF] Exit

LC display:

•

Level range 2: medium input level

Mode: SAT

LEV-Range:2

> ■■■■

SAT

Bargraph display

Example

Calling up „LEVEL ♫“ mode

Press [2ndF] [LEVEL♫].

Move the antenna until the maximum amplitude of the bargraph display is

reached.

✐

If necessary, diminish or elevate the sensitivity by pressing either [-] or

[+] .

Repeat this procedure until the maximum level is reached.

Exit:

Press [2ndF] twice.

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SAT measurement

SAT Analogue Sound Carrier Frequency

Each video signal has several sound carrier frequencies assigned to it.

Selective hearing of the sound maincarriers and the sound subcarriers is

possible. The sound carrier frequency is tunable from 5.0 MHz to 8.99

MHz in 10 kHz steps. The soundcarrier bandwidth is automatically

changed over from wide (280 kHz) to narrow (150 kHz) at 7.00 MHz.

The following sound carrier frequencies are factory-set:

key

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

Frequency in MHz

Bandwidth in kHz

5.80

6.50

6.65

7.02

7.20

7.38

7.56

7.74

7.92

280

wide

150

narrow

150

SAT Sound Carrier Frequencies Menu

[2ndF] [SC]

[1] to [9]

[-] or [+]

Calling up sound carrier menu

Selecting sound subcarrier (see table above)

Varying sound carrier frequency in 10 kHz steps

Manually changing over sound carrier band width

wide = 280 kHz, narrow = 150 kHz

[ENTER]

[2ndF] [2ndF] Exit

Example

Retrieving sound carrier 7.38 MHz:

Press [2ndF] [SC] [6]

✐

SC: 7,38MHz

BW:NARROW

LC display:

•

Sound subcarrier: 7.38 MHz

Sound carrier bandwidth: narrow = 150 kHz

Mode: SAT

SAT

Note

After SAT mode has been called up, the MSK 25 will be permanently

adjusted to sound carrier 7.02 MHz. Frequency variations of the sound

carrier will not be retained after SAT mode has been closed.

☞

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SAT measurement

DVB-S MER, BER and Offset Measurement

The modulation error rate (MER), the bit error rate (BER) and the carrier

offset can be measured to rate the digital reception quality. Chapter

‚standard change-over‘ describes how to select between SAT/analogue

and DVB-S.

Calling up DVB-S measurement:

Press [2ndF] [DVB] in SAT reception mode

LC display:

•

(MER) modulation error rate: 12.6 dB

(BER) bit error rate: 1.7e-7

MER:12.6dB

BER:1.7e-7

MHz

+ 0.72

Carrier offset +0.72 MHz

In case there are no bit errors identified due to a strong DVB signal,

BER=0.0e+0 is indicated on the display.

MPEG Picture Representation (option) in DVB-S

After selecting DVB measurement by pressing [2ndF] [DVB], the list of

programmes received via digital transport data stream is displayed on the

TFT screen.

Press [+] or [-] to select the desired programme and confirm your entry

by pressing [Enter].

In case of an FTA programme, picture and sound of the desired

programme are decoded and represented or reproduced respectively via

the loudspeaker which is built in.

Select another programme on the list by pressing [Enter] once more.

Press [2ndF] to exit digital reception.

Note

For measuremts exceeding 100 dBµV please use the enclosed

attenuation plug, as otherwise no video representation and no MER and

BER measurements are possible.

☞

(Find indications on the frequency response of the enclosed attenuation

plug on the last page)

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SAT measurement

LNB Voltage and 22 kHz/60 Hz Change-Over

The LNB supply voltage can be obtained from the RF socket. For

checking purposes, the LED beside the RF socket flashes when the

voltage supply is switched on. The power consumption of the connected

LNB is displayed on the LCD.

The additionally connectable 22 kHz square-wave signal or the 60 Hz

square-wave signal respectively will superimpose the LNB voltage when

connected. It is necessary, e. g., for the change-over of multifeed

systems or high band/low band LNB’s.

The LNB voltage is disengageable.

•

Disengageable = 0 V

Adjustable from 5 V to 20 V in 0.1 V steps

Short-circuit proof (max. current 500 mA from 10 V to 20 V)

(max. current 100 mA from 5 to 9.9 V)

The following voltages can be called up via short cut:

LNB voltage

key

[0]

[1]

[2]

[3]

[5]

0 V

12 V

14 V

18 V

5 V

[7]

[8]

60 Hz

22 kHz

LNB Voltage Menu

[2ndF] [LNB] Calling up LNB menu

[0] bis [5]

[-] oder [+]

[7]

Selecting LNB voltage

Adjusting LNB voltage in 0.1 V steps

60 Hz signal on/off

[8]

22 kHz signal on/off

[2ndF] [2ndF] Exit

Examples

Calling up LNB voltage 14 V:

Press [2ndF] [LNB] [2]

✐

LC display:

LNB:14,0V

150mA

•

LNB voltage: 14 V

Power consumption: 150 mA

Note

Press [+] or [-] to adjust the LNB voltage in 0.1 V steps.

By calling up a different function, e.g. [2ndF] [CH-FRQ], the LNB menu

will be closed automatically.

☞

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SAT measurement

Example

Activating the 22 kHz signal:

Press [2nF] [LNB] [8]

✐

LC display:

LNB:14,0V

150mA

22kHz

•

LNB voltage: 14 V

Power consumption: 150 mA

22 kHz signal activated

Note

By pressing [8] again, the 22 kHz signal can be deactivated.

By calling up a different function, e. g. [2ndF] [CH-FRQ] or 2x [2ndF],

the LNB menu will be closed automatically.

☞

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SAT measurement

DiSEqC™ (Digital Satellite Equipment Control)

The DiSEqC™ system is used for control systems with extended control facilities. DiSEqC™ utilises a serial,

bidirectional transmission mode with one master and one or more slaves. The data bits are generated with

pulse width modulation of the 22 kHz carrier already existent, and are superimposed with 600 mV_ppof the

LNB remote feeding voltage. The digital code words are composed of 8 data bits and one additional parity bit

for the recognition of transmission errors. Several code words generate a DiSEqC™ command. The code

word entry is to be effected in the hexadecimal code.

Code-Wörter

Framing

Address

Command

Data

Paritätsbit

MSK 25 can emit signals to DiSEqC™1.0, however, it cannot receive

signals.

DiSEqC™ Menu

[2ndF] [SAT-CTRL] Calling up DiSEqC™ menu

You will find the main DiSEqC™ commands for four satellite positions

and the respective allocations of high and low band, as well as their

appendant horizontal polarisation or vertical polarisation, displayed on the

TFT screen.

[0]

USER entry

[1] bis [8]

[9]

Selection of the desired DiSEqC™ command

Further DiSEqC™ commands or Simple DiSEqC™

commands

[ENTER]

Sending the selected command string

USER entry

[0] to [9]

Code word entry in hexydecimal code 0 to 9

Code word entry in hexadecimal code A.to.F

[.] [0] to [5]

key

Hexadecimal code

[.] [0]

[.] [1]

[.] [2]

[.] [3]

[.] [4]

[.] [5]

[-] or [+]

[.] [6]

Moving the cursor to the indivdual code words:

Framing, Address, Command and Data

Deleting the entire command string up to the cursor-

position

[ENTER]

Sending the command string

[2ndF] [2ndF] Exit

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SAT measurement

Example for a USER entry

You wish to check the EXR 22 KATHREIN matrix. The instruction set for

the EXR 22 matrix is E0 00 24 (LNB High) and E0 00 20 (LNB Low).

✐

Calling up DiSEqC™:

DiSEqC-

Press [2ndF] [SAT-CTRL]

Press [0] to call up USER entry.

SAT-CTRL menu

You can now enter the indvidual code words by pressing [0] to [9] and

[./S]. Press [ENTER] to send the command. „>“ signalises the successful

sending of the command.

DiSEqC-Framing

E ■

DiSEqC™ menu

The instruction set to trigger the EXR 22 KATHREIN matrix has been

entered and sent.

DiSEqC-COMMAND

E0 00 24 >

DiSEqC™ menu

Note

Please find the DiSEqC™ instruction sets for KATHREIN matrices, Types

EXR 20 and EXR 22 and for the 9xx production run in the technical

appendix.

☞

Framing Byte Menu

HEX

Byte

description

Command from master, nonrecurring transmission

Command from master, recurrent transmission

Command from master, response anticipated, first transmission

Command from master, response anticipated, recurrent

transmission

Response from slave, „OK“, no errors recognised

Response from slave, command not supported by slave

Response from slave, parity error recognised

Response from slave, command not identified

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SAT measurement

Address Byte Menu

Hex Byte

Description

All instruments

Every LNB, Matrix or SMATV

LNB

LNB with loop-through

Matrix (Switcher)

Matrix (Switcher) with loop-through

SMATV

Every polarizer

Maximum turning (full skew) in linear polarisation

Stepwise polarizer adjustment

Every positioner

Polar/Azimuth positioner

Elevation positioner

Combined positioner

LNB Positioner

Set up help

Signal strength setting help

Reserved for assigned addresses

„Intelligent slave interface“ for „Proprietary Multi-

Master bus“

Interface for users and controlled head-end

OEM expansion

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SAT measurement

Command Byte Menu

MSK 25 can send commands under DiSEqC™ 1.0 but cannot receive

them. All the commands requiring DiSEqC™ 2.0 (sending and receiving)

are underlined grey in the table below.

Commands in bold are particularly preferred for KATHREIN switching

matrices.

Hex Byte

Command

Description

Numbe

r of

data

bytes

Reset

Reset DiSEqC™ Microcontroller

Delete reset flag

Switching off peripheral power supply unit

Switching on peripheral power supply unit

Adjustment of contention flag

Feedback only if contention flag has been set

Delete contention flag

Feedback only if contention flag has not been set

Change address when contention flag has been set

Change address when contention flag has not been set

Read status register flags

Clr Reset

Stand-by

Power on

Set Contend

Contend

Clr Contend

Adresse

Move C

Move

Status

Config

Read configuration flags

Switch 0

Switch 1

Switch 2

Switch 3

Set LO

Read switching status flags (Committed Port)

Read switching state flags (Uncommitted Port)

Expansion option

Calling up of low local oscillator frequency

Calling up the vertical polarisation or clockwise circular

polarisation

Set VR

Set Pos A

Set S0A

Set Hi

Select satellite position A

Select switchoption A

Calling up of high local oscillator frequency

Calling up of horizontal polarisation or counter-clockwise

circular polarisation

Set HL

Set Pos B

Set S0B

Set S1A

Set S2A

Set S3A

Set S4A

Set S1B

Set S2B

Set S3B

Set S4B

Sleep

Select Satellitenposition B

Select switchoption B

Calling up of matrix S1 input A (input B inactive)

Calling up of matrix S2 input A (input B inactive)

Calling up of matrix S3 input A (input B inactive)

Calling up of matrix S4 input A (input B inactive)

Calling up of matrix S1 input B (input A inactive)

Calling up of matrix S2 input B (input A inactive)

Calling up of matrix S3 input B (input A inactive)

Calling up of matrix S4 input B (Eingang A inactive)

All bus commands ignored, except „Awake“

Bus commands again accepted

Setting Port Group 0

Setting Port Group 1

Expansion option

Read analogue value A0

Read analogue value A1

Set analogue value A0

Set analogue value A1

Awake

Write N0

Write N1

Write N2

Write N3

Read A0

Read A1

Write A0

Write A1

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SAT measurement

Write A7

LO string

LO now

LO Lo

Set analogue value A7

Read current frequency

Read current frequency (Table Entry Number)

Read Lo frequency table entry number

Read Hi frequency table entry number

Write channel frequency

Set selected channel number (receiver)

Stop positioner

Move positioner eastward

Move positioner westward

Read positioner status register

Read positioner counter

Move positioner motor to counter value, Hi, Lo

Set positioner counter, Hi, Lo

LO Hi

Write Freq

Ch.No.

Halt

Go E

Go W

P Status

Read Pos

Goto

2 or 3

Write Pos

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SAT measurement

Data Byte Menu

A corresponding data byte need not be sent to a command byte unless

required by the command byte data byte(s). You can see this from the

preceding command byte table. Please learn from the data sheets of the

respective instruments which data byte is to be sent to the particular

command byte.

Orbit-

position

Switch setting

H/V

Switch setting LNB

Data byte

Simple Tone Burst DiSEqC™

A simplified version of the DiSEqC™ control is the Simple Tone Burst

DiSEqC™ procedure. Simple DiSEqC™ allows two different switching

states: Tone Burst and Data Burst.

Simple DiSEqC™ Menu

[2ndF] [SAT-CTRL] Call- up SAT–CTRL menu

[9] [9]

Call-up Simple-DiSEqC™ menu

Tone Burst entry

[0]

[1]

Data Burst entry

[ENTER]

[2ndF] [2ndF]

Sending of command string

Exit

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TV measurement

Standard Change-Over

In TV mode, the MSK 25 can measure the following standards:

•

B/G standard

L standard

D/K standard

I standard

M/N standard

M1 standard (Japan)

Standard Change-Over TV Menu

[2ndF] [STD] Calling up standard change-over menu

[0]

Addressing standard menu

Selecting standard

[0] bis [6]

Example

Calling upB/G analogue standard:

✐

Press [2ndF] [STD].

LC display:

•

1 = Analogue reception

1=ANALOG 3=DVBT

2=DVBC

0=Std.

2 = DVB-C reception

3 = DVB-T reception (if this option is provided)

0 = standard menu

Press [0].

The following menu is displayed:

1=BG

4=I

2=L

5=MN

3=DK

6=M1

•

1 = B/G standard- 2 = L standard - 3 = D/K standard etc.

Standard menu

Press [1]. The instrument is now set for analogue reception in the B/G

standard

Note

Please note that the selected standard will be retained after the

instrument has been switched off.

☞

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TV measurement

DVB-C/DVB-T Change-Over

Press [2ndF] [STD].

LC display:

•

1 = Analogue reception

1=ANALOG 3=DVBT

2=DVBC

0=Std.

2 = DVB-C reception

3 = DVB-T reception (if this option is provided)

0 = Standard menu

Press [2] to change over to DVB-C standard

LC display:

•

1 = QAM 64 demodulation

1=QAM64

3=DOC64

2=QAM128

2 = QAM 128 demodulation

3 = DOCSIS QAM 64 demodulation

Press [1] to set the QAM 64 symbol rate

LC display:

1=6.900

3=6.875

2=6.952

4=USER

•

1 = 6.900 MS

2 = 6.952 MS

3 = 6.875 MS

4 = USER MS

Select the corresponding symbol rate by pressing the corresponding key

[1] [4].

The standard setting will then automatically be closed.

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TV measurement

Channel display and channel entry

You first have to set the required channel to be able to measure the level

of a TV reception signal. The following channels may be set:

•

Band /III

CH 01 to CH 12 in 7 MHz raster

CH 21 to CH 70 in 8 MHz raster

Band IV/V

Special channel S 02 to S 03 in 8 MHz raster

Special channel S 04 to S 20 in 7 MHz raster

Special channel S 21 to S 41 in 8-MHz raster

This information applies only for the factory-set B/G standard. Please find

more information on further standards in the technical appendix.

TV Channel Setting Menu

[SAT/TV]

[0] bis [9]

[./S]

Changing over to TV reception

Setting channel

Changing over to special channel

Varying channels stepwise

[+] und [-]

Example

Setting channel S11:

Press [./S] [1] [1].

LC display:

✐

CH:S.11.

•

Special channel: S 11

Level: 62,5 dBµV

Mode: TV analog

LEV: 62,5dBuV

Note

Make sure that the correct standard has been set. B/G standard is

factory-set.

☞

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TV measurement

Frequency Display and Frequency Entry

You first have to enter the required picture carrier frequency to be able to

measure the level of a TV reception signal.

Frequency entry is possible from 48 MHz to 858 MHz in 50 kHz steps.

TV Frequency Entry Mode

[SAT/TV]

[CH-FRQ]

[0] bis [9]

[ENTER]

[+] und [-]

Changing over to TV reception

Change-over channel/frequency

Entering frequency

Confirming entry

Varying frequency stepwise

Example

Entering frequency 175.25 MHz:

Press [2ndF] [CH/FRQ] .....................(frequency menu call up)

Then press [1] [7] [5] [./S] [2] [5] [ENTER] ...........(frequency entry)

✐

LC display:

•

Frequency: 175.25 MHz

Level: 65.0 dBµV

CH:175,25

LEV: 65,0dBuV

Mode: TV analogue

Note

If you had called up the frequency menu before, you now only need to

enter the figures in order to enter a frequency.

☞

The last frequency entry will be retained even after you have switched off

the MSK 25, provided that the entry was carried out via numeric

character input, ending with ‚MHz‘

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TV measurement

Level Measurement TV Analogue

After you have set a channel or a frequency, the level is automatically

measured and displayed on the LC display either in dBµV or in dBmV

(depending on the basic configuration). The input level can be measured

in the range of 30 dBµV to 120 dBµV (-30 dBmV to 60 dBmV).

LC display:

•

Channel: CH 05

CH: .05.

LEV: 86.5dBuV

Mode: TV analogue

Level measured: 86.5 dBµV

Level Overflow and Level Underflow

The LC display indicates underflow at a level of < 30 dBµV.

LC display:

•

Channel: CH 05

CH: .05.

LEV:___._dBuV

Mode: TV analogue

Level: underflow

The LC display indicates overflow at a level of > 120 dBµV.

LC display:

•

Channel: CH 05

Mode: TV analogue

Level: overflow

CH: .05.

LEV:.dBuV

Note

DVB-C signals can only be measured if „digital reception“ has been set,

see chapter ‚standard change-over‘.

☞

TV/DVB-C/DVB-T Level Measurement

LC display when the DVB-C/DVB-T levels are measured:

The change-over from the analogue measurement to the digital level

measurement is described in chapter ‘standard change-over’

CH:S.32.

LEV: 64.0dBuV

•

Channel: Special channel 32

Mode: TV/DVB-C or DVB-T

Level measured: 64.0 dBµV D

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TV measurement

Bearing for Individual Reception Frequencies

The „LEVEL ♫“ function allows the antenna alignment to maximum

received signal via bearing. The level tendency can be bargraph-

displayed. The measurement range can be adjusted to three different

sensitivity levels.

The level can be monitored with an acoustic signal, the pitch of which is

proportional to the received-signal level. The volume of the directional

radio audio signal can be adjusted with the volume regulator.

Bearing Menu

[2ndF] [LEVEL ♫]

Changing over to bearing mode:

[-] [+]

Change-over of the measurement range of the bar

graph. The measurement range is automatically

preselected.

Level range 1:

Level range 2:

Level range 3:

Exit

high input levels

medium input levels

low input levels

[2ndF] [2ndF]

LC display:

•

Level range 2: medium input level

LEV-RANGE:2

Mode: TV

> ■■■■

Bargraph display

Example

Calling up „LEVEL ♫“ mode:

Press [2ndF] [LEVEL ♫].

✐

Move the antenna until the maximum amplitude of the bargraph display is

reached.

If necessary, diminish or elevate the sensitivity by pressing either [-] or

[+].

Repeat this procedure until the maximum level is reached.

Closing LEVEL mode:

Press [2ndF] twice.

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TV measurement

Sound Carrier Distance and Sound Carrier Level

On a second sound carrier, TV broadcast stations can transmit either

frequency-modulated (analogue) or in Nicam format (digital). Depending

on the standard which has been set, various frequencies are assigned to

the sound carriers, see table. Sound carrier 1 is permanently set after the

channel entry or frequency entry.

Standard

TT1

TT2

Nicam

B/G

D/K

M/N

M1 (Japan)

5.5 MHz

6.5 MHz

6.0 MHz

4.5 MHz

AM 6.5 MHz

4.5 MHz

5.74 MHz

6.26 MHz

------

4.72 MHz

------

5.85 MHz

6.552 MHz

------

5.85 MHz

------

The sound carrier measurement is carried out by measuring the signal

distance from the sound carrier to the picture carrier in dB before

measuring the absolute sound carrier in dBµV. The loudspeaker remains

muted during this procedure. When the measurement has been effected,

the modulation of the sound carrier last measured can be heard.

TV Sound Carrier Measurement Menu

[2ndF] [SC]

Changing over to sound carrier menu:

Change-over between TT1 and TT2, see table

Measurement is carried out when key is pressed

Change-over to Nicam reception

[1] bis [2]

[3]

Example

Measuring sound carrier distance and sound carrier level of TT1:

Press [2ndF] [SC],

✐

now press [1] and keep the key pressed.

The LC display will indicate the following values for appr. 1 second:

•

Sound carrier distance – frequency: 5.5 MHz

Sound carrier – picture carrier distance: -13 dB

Mode: TV analogue

SC: 5,50MHz

LEV: -13.0dB

After about 1 second, the sound carrier level will be indicated.

LC display:

•

Sound carrier distance – frequency: 5.5 MHz

Sound carrier level: 58.5 dBµV

Mode: TV analogue

SC: 5,50MHz

LEV: 58,5dBuV

Release key [1].

Measuring sound carrier distance and sound carrier level of TT2:

Press [2] while the sound carrier is displayed

Measuring the distances and the levels of Nicam sound carriers:

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TV measurement

Press [3] while the sound carrier is displayed

Note

The sound carrier frequency is not adjustable but changed over

according to the standard which has been set.

☞

The sound carrier level is only displayed when key [2] or [3] is pressed.

NICAM Sound Bit Error Rate Measurement

The bit error rate may be measured for an improved evaluation of the

Nicam signal sound quality.

Example

✐

Calling up bit error measurement:

Press [2ndF] [SC]

SC: 5.85 MHz

BER=2.145E-05

Press [3]

In case there are no bit errors identified due to a strong signal,

BER=0.000 is indicated on the display.

In case there is hardly a signal or no signal at all received, OVERFLOW

is indicated on the display.

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TV measurement

DVB-C/DVB-T (option), MER, BER and Offset Measurement

The modulation error rate (MER), the bit error rate (BER) and the carrier

offset can be measured to evaluate the quality of the digital reception.

Chapter ‚standard change-over‘ describes how to select either TV

analogue, DVB-C or optionally DVB-T.

Calling up DVB-C/DVB-T (option) measurement:

Press [2ndF] [DVB]

LC display:

•

Modulation error rate (MER): 30.5 dB

Bit error rate (BER): 2.0e-8

Carrier offset: 0.00 MHz

MER:30.5dB

BER:2.0e-8

MHz

0.00

In case there are no bit errors identified due to a strong DVB signal

BER=0.0e+0 is indicated.

MPEG Picture Representation (option) in DVB-C or DVB-T (option)

After selecting DVB measurement by pressing [2ndF] [DVB], the list of

programmes received via digital transport data stream is displayed on the

TFT screen.

Press [+] bzw. [-] to select the desired programme and confirm your entry

by pressing [Enter].

In case of an FTA programme, picture and sound of the desired

programme are decoded and represented or reproduced respectively via

the loudspeaker which is built in.

Select another programme of the list by pressing [Enter] once more.

Press [2ndF] to exit digital reception.

Note

For measuremts exceeding 100 dBµV please use the enclosed

attenuation plug, as otherwise no video representation and no MER and

BER measurements are possible.

☞

(Find indications on the frequency response of the enclosed attenuation

plug on the last page)

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FM measurement

Frequency Indication and Frequency Entry

You first have to enter the desired frequency to be able to measure the

level of an FM reception signal.

Frequency entry is possible from 48 MHz to 858 MHz in 50 kHz steps.

FM Frequency Entry Menu

[2ndF] [FM]

[0] bis [9]

[ENTER]

Changing over to FM reception

Entering frequency

Confirming entry

[+] und [-]

Varying frequency in 50 kHz steps

Example

Entering frequency 99.25 MHz:

Press [2ndF] [FM]..........................(Call up FM menu)

Then press [9] [9] [./S] [2] [5] [ENTER] ............(frequency entry)

✐

LC display:

•

Frequency: 99.25 MHz

Level: 65.0 dBµV

Mode: FM

FR: 99.25

LEV: 65.0dBuV

A │

Note

If you had called up the FM menu before, you now only need to enter the

figures in order to enter a frequency.

☞

The last frequency entry will be retained even after you have switched off

the MSK 25, provided that the entry was carried out via numeric

character input, ending with ‚MHz‘.

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FM measurement

Level Measurement

After you have set a frequency, the level is automatically measured and

displayed in dBµV. The input level can be measured in the range of

30 dBµV to 120 dBµV.

LC display:

•

Frequency: 104.8 MHz

Mode: FM

Fr:104.80MHz

LEV: 86.5dBuV

A │

Level measured: 86.5 dBµV

Level Overflow and Level Underflow

The LC display indicates underflow at a level of < 30 dBµV.

LC display:

•

Frequency: 104.8 MHz

FR:104.80MHz

LEV: ___._dBuV

A │

Mode: FM

Level: underflow

The LC display indicates overflow at a level of > 120 dBµV.

LC display:

•

Frequency: 104.8 MHz

Mode: TV

FR:104,80MHz

LEV:¯¯¯.¯dBuV

A │

Level: overflow

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FM measurement

Bearing for Individual Reception Frequencies

The „LEVEL ♫“ function allows the antenna alignment to maximum

received signal via bearing. The level tendency can be bargraph-

displayed. The measurement range can be adjusted to three different

sensitivity levels.

The level can be monitored with an acoustic signal, the pitch of which is

proportional to the received-signal level. The volume of the acoustic

signal can be adjusted with the volume regulator.

Bearing Menu

[2ndF] [LEVEL ♫]

Changing over to bearing mode

[-] [+]

Change-over of the measurement range of the bar

graph. The measurement range is automatically

preselected.

Level range 1:

Level range 2:

Level range 3:

Exit

high input levels

medium input levels

low input levels

[2ndF] [2ndF]

LC display:

•

Level range 2: medium input level

LEV-RANGE:2

Mode: TV

> ■■■■

Bargraph display

Example

Calling up „LEVEL ♫“ function:

Press [2ndF] [LEVEL ♫].

✐

Move the antenna until the maximum amplitude of the bargraph display is

reached.

If necessary, diminish or elevate the sensitivity by pressing either [-] or

[+]

Repeat this procedure until the maximum level is reached.

Closing LEVEL mode:

Press [2ndF] twice.

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Spectrum Measurement

The frequency spectrum in the SAT, TV and FM modes may be displayed

on the TFT screen for evaluation purposes.

You can call up the function ‚spectrum measurement‘ in each particular

mode (SAT, TV, FM).

Command for ‚spectrum measurement‘: [2ndF] [Spect].

Back to the regular LC display: 2 x [2ndF].

By pressing [-] and [+], you can move a cursor ▽ on the level curve in

order to measure certain level minima and level maxima. The frequency

and the value measured are displayed in the top row of the screen. The

measurement range is displayed in dBµV on the ordinate on the left hand

side of the screen. The level measurement range is set automatically.

The level peak value is measured in the spectrum analysis.

SAT Spectrum

In SAT mode (see corresponding chapter), the entire SAT spectrum from

920 MHz...…2150 MHz can be displayed.

LC display

SAT-Full

TV Spectrum

The TV mode (see corresponding chapter) is divided into four ranges

which can be selected by pressing either [1], [2], [3] or [4] , see screen

as well as explanation shown below.

Example for UHF

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Spectrum Measurement

TV Spectrum Menu

LC displays and range setting:

[1]

[2]

[3]

[4]

FULL SPAN = overall TV range (48…858 MHz)

VHF (48…467 MHz)

TV-Full

VHF

UHF (467…858 MHz)

UHF

NARROW (634…659 MHz)

TV-Narrow

FM Spectrum

The FM spectrum is addressed and measured as described above. It

ranges from 87 MHz to 108 MHz.

FM CCIR

LC display

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Maintenance

Changing the Battery

•

Unscrew the two screws which fix the straps on the leather bag.Then

unscrew the screw in the leather cap. Pull the receiver out of the

leather bag.

•

Now unscrew all the screws atop, at the bottom and on every side of

the metal box. Pull the receiver out of it.

Unscrew the two screws on the left and on the right of the DVB 25

circuit board mounting, and turn the DVB 25 circuit board upright.

Disconnect the battery poles. Beware of causing a short circuit

between the insulated terminal and the battery mount.

•

Unscrew the four screws of the battery mount beneath the chassis.

Pull the battery backwards out of the instrument.

Fit in the new battery and reassemble the instrument in reverse

order. Make sure that the polarity of the battery is correct!

Customer Service

In case of any damage or malfunction, please send the MSK 25 to:

ESC - GmbH

Bahnhofstraße108

83224 GRASSAU

Tel.: +49 (0)86 41 / 95 45-0

Fax: +49 (0)86 41 / 95 45-35

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Technical Appendix

Signal-to-Noise-Ratio

The following values must be known in order to determine the

carrier/signal-to-noise-ratio (C/N):

•

Basic noise level (adjust the dish antenna so that no satellite signal

will be received)

•

Maximum reception level

Bandwidth correction

The following formula applies:

C/N = Received signal level – Basic signal-to-noise-ratio – Bandwidth correction

6 MHz (Measurement bandwidth MSK 25)

Bandwidth correction value = 10 log ---—————————————–--

RF bandwidth received signal

Bandwidth correction value = 6.37 dB at 26 MHz bandwidth (ASTRA)

Bandwidth correction value = 7.78 dB at 36 MHz (EUTELSAT, INTELSAT, Kopernikus)

Example

Received-signal level

Basic signal-to-noise-ratio

+75.5 dB

-55.0 dB

With satellite signal

Without satellite signal

Carrier/signal-to-noise-ratio (C/N) +20.5 dB

✐

Bandwidth correction

- 6.4 dB

For 26 MHz bandwidth

C/N of reception system

+14.1 dB

Note

It is essential to consider the RF bandwidth of the received signal in order

to be able to accurately determine the C/N.

☞

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Technical Appendix

DiSEqC™ Commands for Kathrein Matrices

Instruction Set for 9xx Kathrein Matrix Production Run

POS. A (Satellit 1)

Range

Low-Band

High-Band

Vert.

Horiz.

DiSEqC™

Command

F0 00 38 F0 00 38 F2

F0 00 38 F1

F0 00 38 F3

POS. B (Satellit 2)

Low-Band

Range

High-Band

Vert.

Horiz.

DiSEqC™

Command

F0 00 38 F0 00 38 F6

F0 00 38 F5

F0 00 38 F7

Instruction Set for EXR 20 Kathrein Matrix

EXR 20

Range

POS. A

POS. B

DiSEqC™

Command

E0 00 22

E0 00 26

Instruction Set for EXR 22 Kathrein Matrix

EXR 22

Range

High-band

Low-band

DiSEqC

E0 00 24

E0 00 20

command

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Technical Appendix

Channel Tables

Channel Table and Frequency Table B/G Standard (frequencies in MHz)

VRF-CCIR

URF-CCIR

Pilot frequency 01

80.15

ESB

471.25

671.25

679.25

687.25

695.25

703.25

711.25

719.25

727.25

735.25

743.25

751.25

759.25

767.25

775.25

783.25

791.25

799.25

80725

815.25

823.25

831.25

839.25

847.25

855.25

E10

E11

E12

48.25

479.25

487.25

495.25

503.25

511.25

519.25

527.25

535.25

543.25

551.25

559.25

567.25

575.25

583.25

591.25

599.25

607.25

615.25

623.25

631.25

639.25

647.25

655.25

663.25

55.25

62.25

17.25

182.25

189.25

196.25

203.25

210.25

217.25

224.25

53.75

62.25

82.25

175.25

183.75

192.25

201.25

210.25

LSB/USB

S01

S02

105.25

ES21 S21 303.25

In the FRG the special DVB-C channels S02 and

S02

S03

S04

S05

S06

S07

S08

S09

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

113.00

121.00

126.25

133.25

140.25

147.25

154.25

161.25

168.25

231.25

238.25

245.25

252.25

259.25

266.25

273.25

280.25

287.25

294.25

ES22 S22 311.25

ES23 S23 319.25

ES24 S24 327.25

ES25 S25 335.25

ES26 S26 343.25

ES27 S27 351.25

ES28 S28 359.25

ES29 S29 367.25

ES30 S30 375.25

ES31 S31 383.25

ES32 S32 391.25

ES33 S33 399.25

ES34 S34 407.25

ES35 S35 415.25

ES36 S36 423.25

ES37 S37 431.25

ES38 S38 439.25

ES39 S39 447.25

ES40 S40 455.25

ES41 S41 463.25

S03 were allocated with a bandwidth of 8 MHz. The

center frequencies now are: S02 = 113 MHz and S03

= 121 MHz.

S03

S04

S05

S06

S07

S08

S09

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

Channel raster: 7 MHz for VHF and LSB/USB - 8 MHz for UHF and ESB

Find channels, display indications on the MSK 25 and frequencies, all on the table

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Technical Appendix

Channel Table and Frequency Table L Standard (frequencies in MHz)

VHF

UHF

80.75

55.75

60.50

63,75

21 471.25

22 479.25

23 487.25

24 495.25

25 503.25

26 511.25

27 519.25

28 527.25

29 535.25

30 543.25

31 551.25

32 559.25

33 567.25

34 575.25

35 583.25

36 591.25

37 599.25

38 607.25

39 615.25

40 623.25

41 631.25

42 639.25

43 647.25

44 655.25

45 663.25

46 671.25

47 679.25

48 687.25

49 695.25

50 703.25

51 711.25

52 719.25

53 727.25

54 735.25

55 743.25

56 751.25

57 759.25

58 767.25

59 775.25

60 783.25

61 791.25

62 799.25

63 807.25

64 815.25

65 823.25

66 831.25

67 839.25

68 847.25

69 855.25

* LB 02

* LC 03

* LC1 04

L1 05

L2 06

L3 07

L4 08

L5 09

L6 10

176.00

184.00

192.00

200.00

208.00

216.00

308.75

441.75

861.75

175.25

183.25

191.25

199.25

207.25

215.25

223.25

K₁4 14

K₁5 15

K₁6 16

K₁7 17

K₁8 18

K₁9 19

Special channels

S01 S01 120.00

S21 S21 280.00

S02 S02 128.00

S03 S03 136.00

S04 S04 144.00

S05 S05 152.00

S06 S06 160.00

S07 S07 168.00

S08 S08 176.00

S09 S09 184.00

S10 S10 192.00

S11 S11 200.00

S12 S12 208.00

S13 S13 216.00

S14 S14 224.00

S15 S15 232.00

S16 S16 240.00

S17 S17 248.00

S18 S18 256.00

S19 S19 264.00

S20 S20 272.00

S22 S22 288.00

S23 S23 303.25

S24 S24 315.25

S25 S25 327.25

S26 S26 339.25

S27 S27 351.25

S28 S28 363.25

S29 S29 375.25

S30 S30 387.25

S31 S31 399.25

S32 S32 411.25

S33 S33 423.25

S34 S34 435.25

S35 S35 447.25

S36 S36 459.25

No picture and sound evaluation possible as well as no level measurement of the

sound carrier for the channels marked with *.

Find channels, display indications on the MSK 25 and frequencies, all on the table.

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Technical Appendix

Channel Table and Frequency Table D/K Standard (frequencies in MHz)

VHF

UHF

R-I 01 49.75

R-II 02 59.75

R-III 03 77.25

R-IV 04 85.25

R-V 05 93.52

R-VI 06 175.25

R-VII 07 183.25

21 471.25

22 479.25

23 487.25

24 495.25

25 503.25

26 511.25

27 519.25

28 527.25

29 535.25

30 543.25

31 551.25

32 559.25

33 567.25

34 575.25

35 583.25

36 591.25

37 599.25

38 607.25

39 615.25

40 623.25

41 631.25

42 639.25

43 647.25

44 655.25

45 663.25

46 671.25

47 679.25

48 687.25

49 695.25

50 703.25

51 711.25

52 719.25

53 727.25

54 735.25

55 743.25

56 751.25

57 759.25

58 767.25

59 775.25

60 783.25

61 791.25

62 799.25

63 807.25

64 815.25

65 823.25

66 831.25

67 839.25

68 847.25

69 855.25

R-

08 191.25

R-IX 09 199.25

R-X 10 207.25

R-XI 11 215.25

R-XII 12 223.25

13 50.00

14 60.00

15 70.00

16 75.00

17 80.00

18 90.00

19 175.00

20 200.00

Special channels

S01 S01 111.25

S21 S21 311.25

S02 S02 119.25

S03 S03 127.25

S04 S04 135.25

S05 S05 143.25

S06 S06 151.25

S07 S07 159.25

S08 S08 167.25

S09 S09 100.25

S10 S10 105.25

S11 S11 231.25

S12 S12 239.25

S13 S13 247.25

S14 S14 255.25

S15 S15 263.25

S16 S16 271.25

S17 S17 279.25

S18 S18 287.25

S19 S19 295.25

S20 S20 303.25

S22 S22 319.25

S23 S23 327.25

S24 S24 335.25

S25 S25 343.25

S26 S26 351.25

S27 S27 359.25

S28 S28 367.25

S29 S29 375.25

S30 S30 383.25

S31 S31 391.25

S32 S32 399.25

S33 S33 407.25

S34 S34 415.25

S35 S35 423.25

S36 S36 431.25

S37 S37 439.25

S38 S38 447.25

S28 S28 455.25

S40 S40 463.25

Find channels, display indications on the MSK 25 and frequencies, all on the table.

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Technical Appendix

Channel Table and Frequency Table I Standard (frequencies in MHz)

VHF

UHF

I A 01 45.75

I B 02 53.75

I C 03 61.75

I D 04 175.25

I E 05 183.25

I F 06 191.25

I G 07 199.25

I H 08 207.25

I J 09 215.25

10 223.25

21 471.25

22 479.25

23 487.25

24 495.25

25 503.25

26 511.25

27 519.25

28 527.25

29 535.25

30 543.25

31 551.25

32 559.25

33 567.25

34 575.25

35 583.25

36 591.25

37 599.25

38 607.25

39 615.25

40 623.25

41 631.25

42 639.25

43 647.25

44 655.25

45 663.25

46 671.25

47 679.25

48 687.25

49 695.25

50 703.25

51 711.25

52 719.25

53 727.25

54 735.25

55 743.25

56 751.25

57 759.25

58 767.25

59 775.25

60 783.25

61 791.25

62 799.25

63 807.25

64 815.25

65 823.25

66 831.25

67 839.25

68 847.25

69 855.25

11 231.25

12 239.25

13 247.45

14 50.00

15 60.00

16 70.00

17 75.00

18 80.00

19 90.00

20 175.00

Special channels

S01 S01 111.25

S21 S21 311.25

S02 S02 119.25

S03 S03 127.25

S04 S04 135.25

S05 S05 143.25

S06 S06 151.75

S07 S07 159.25

S08 S08 167.25

S09 S09 100.25

S10 S10 105.25

S11 S11 231.25

S12 S12 239.25

S13 S13 247.25

S14 S14 255.25

S15 S15 263.25

S16 S16 271.25

S17 S17 279.25

S18 S18 287.25

S19 S19 295.25

S20 S20 303.25

S22 S22 319.25

S23 S23 327.25

S24 S24 335.25

S25 S25 343.25

S26 S26 351.25

S27 S27 359.25

S28 S28 367.25

S29 S29 375.25

S30 S30 383.25

S31 S31 391.25

S32 S32 399.25

S33 S33 407.25

S34 S34 415.25

S35 S35 423.25

S36 S36 431.25

S37 S37 439.25

S38 S38 447.25

S28 S28 455.25

S40 S40 463.25

Find channels, display indications on the MSK 25 and frequencies, all on the table.

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Technical Appendix

Channel Table and Frequency Table M1 Standard (Japan) (frequencies in MHz)

VHF

UHF

J01 01 91.25

J02 02 97.25

J03 03 103.25

J04 04 171.25

J05 05 177.25

J06 06 183.25

J07 07 189.25

J08 08 193.25

J09 09 199.25

J10 10 205.25

J11 11 211.25

J12 12 217.25

13 471.25

14 477.25

15 483.25

16 489.25

17 495.25

18 501.25

19 507.25

20 513.25

21 519.25

22 525.25

23 531.25

24 537.25

25 543.25

26 549.25

27 555.25

28 561.25

29 567.25

30 573.25

31 579.25

32 585.25

33 591.25

34 597.25

35 603.25

36 609.25

37 615.25

38 621.25

39 627.25

40 633.25

41 639.25

42 645.25

43 651.25

44 657.25

45 663.25

46 669.25

47 675.25

48 681.25

49 687.25

50 693.25

51 699.25

52 705.25

53 711.25

54 717.25

55 723.25

56 729.25

57 735.25

68 741.25

59 747.25

60 753.25

61 759.25

62 765.25

Special channels

S 1 S01 223.25

S20 S20 337.25

S39 S39 451.25

S 2 S02 231.25

S 3 S03 237.25

S 4 S04 243.25

S 5 S05 249.25

S 6 S06 253.25

S 7 S07 259.25

S 8 S08 265.25

S 9 S09 271.25

S10 S10 277.25

S11 S11 283.25

S12 S12 289.25

S13 S13 295.25

S14 S14 301.25

S15 S15 307.25

S16 S16 313.25

S17 S17 319.25

S18 S18 325.25

S19 S19 331.25

S21 S21 343.25

S22 S22 349.25

S23 S23 355.25

S24 S24 361.25

S25 S25 367.25

S26 S26 373.25

S27 S27 379.25

S28 S28 385.25

S29 S29 391.25

S30 S30 397.25

S31 S31 403.25

S32 S32 409.25

S33 S33 415.52

S34 S34 421.25

S35 S35 427.25

S36 S36 433.25

S37 S37 439.25

S38 S38 445.25

S40 S40 457.25

S41 S41 463.25

M 1 S42 109.25

M 2 S43 115.25

M 3 S44 121.25

M 4 S45 127.25

M 5 S46 133.25

M 6 S47 139.25

M 7 S48 145.25

M 8 S49 151.25

M 9 S50 157.25

M10 S51 165.25

Find channels, display indications on the MSK 25 and frequencies, all on the table.

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Technical Appendix

Channel Table and Frequency Table M/N Standard (frequencies in MHz)

VHF

UHF

01 72.00

A02 02 55.25

A03 03 61.25

A04 04 67.25

A05 05 77.25

A06 06 83.25

A07 07 175.25

A08 08 181.25

A09 09 187.25

A10 10 193.25

A11 11 199.25

A12 12 205.25

A13 13 211.25

14 471.25

15 477.25

16 483.25

17 489.25

18 495.25

19 501.25

20 507.25

21 513.25

22 519.25

23 525.25

24 531.25

25 537.25

26 543.25

27 549.25

28 555.25

29 561.25

30 567.25

31 573.25

32 579.25

33 585.25

34 591.25

35 597.25

36 603.25

37 609.25

38 615.25

39 621.25

40 627.25

41 633.25

42 639.25

43 645.25

44 651.25

45 657.25

46 663.25

47 669.25

48 675.25

49 681.25

50 687.25

51 693.25

52 699.25

53 705.25

54 711.25

55 717.25

56 723.25

57 729.25

58 735.25

59 741.25

60 747.25

61 753.25

62 759.25

63 765.25

64 771.25

65 777.25

66 783.25

67 789.25

68 795.25

69 801.25

70 807.25

71 813.25

72 819.25

73 825.25

74 831.25

75 837.25

76 843.25

77 849.25

78 855.25

Find channels, display indications on the MSK 25 and frequencies, all on the table.

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Technical Appendix

Channel Table and Frequency Table M/N Standard (frequencies in MHz)

Special channels

A-5 95 S01

A-4 96 S02

A-3 97 S03

A-2 98 S04

A-1 99 S05

91.25

97.25

OO 51 S43

PP 52 S44

QQ 53 S45

RR 54 S46

385.25

391.25

397.25

403.25

409.25

415.25

421.25

427.25

433.25

439.25

445.25

451.25

457.25

463.25

469.25

475.25

481.25

487.25

493.25

499.25

505.25

511.25

517.25

523.25

529.25

535.25

541.25

547.25

553.25

559.25

565.25

571.25

577.25

583.25

589.25

595.25

601.25

607.25

613.25

619.25

625.25

631.25

637.25

103.25

109.25

115.25

121.25

127.25

133.25

139.25

145.25

151.25

157.25

163.25

169.25

217.25

223.25

229.25

235.25

241.25

247.25

253.25

259.25

265.25

271.25

277.25

283.25

289.25

295.25

301.25

307.25

313.25

319.25

325.25

331.25

337.25

343.25

349.25

355.25

361.25

367.25

373.25

379.25

SS 55

TT 56

S47

S48

A 14

B 15

C 16

D 17

E 18

F 19

G 20

H 21

I 22

S06

S07

S08

S09

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

UU 57 S49

VV 58 S50

WW 59 S51

AAA 60 S52

BBB 61 S53

CCC 62 S54

DDD 63 S55

EEE 64 S56

J 23

S57

S58

S59

S60

S61

S62

S63

S64

S65

S66

S67

S68

S69

S70

S71

S72

S73

S74

S75

S76

S77

S78

S79

S80

S81

S82

S83

S84

S85

K 24

L 25

M 26

N 27

O 28

P 29

Q 30

R 31

S 32

T 33

U 34

V 35

W 36

AA 37

BB 38

CC 39 S31

DD 40 S32

EE 41

FF 42

S33

S34

GG 43 S35

HH 44 S36

II 45

S37

S38

S39

S40

JJ 46

KK 47

LL 48

MM 49 S41

NN 50 S42

Find channels, display on the MSK 25 and frequencies, all on

the table.

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internet http://www.kathrein.de

KATHREIN-Werke KG x Telefon (0 80 31) 18 40 x Fax (0 80 31) 18 43 06

Anton-Kathrein-Straße 1-3 x Postfach 10 04 44 x D-83004 Rosenheim

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InFocus Projector T146 User Manual
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