Sennheiser Tourguide Charger L 2021 40 User Manual

Tourguide Charger  
L 2021-40  
Instruction manual  
Contents  
Contents  
Important safety instructions ...................................................................... 2  
Delivery includes ............................................................................................ 4  
The L 2021-40 charger .................................................................................. 4  
DE  
EN  
FR  
IT  
Product overview ........................................................................................... 5  
Indications and displays on the charger ......................................................... 6  
Putting the charger into operation ............................................................. 7  
Placing the charger on a table or cabinet ....................................................... 7  
Installing the charger .......................................................................................... 8  
Connecting the charger to a PC ....................................................................... 10  
Connecting the charger to and disconnecting it from the mains ............ 10  
Using the charger ........................................................................................ 11  
Switching the charger on/off .......................................................................... 11  
Charging the receiver rechargeable batteries .............................................. 11  
Specifications ............................................................................................... 13  
Accessories for the Tourguide system ...................................................... 14  
Manufacturer Declarations ......................................................................... 15  
ES  
NL  
Thank you for choosing Sennheiser!  
We have designed this product to give you reliable operation over many  
years. Over 60 years of accumulated expertise in the design and manu-  
facture of high-quality electro-acoustic equipment have made Sennheiser  
a world-leading company in this field.  
Please take a few moments to read these instructions carefully, as we want  
you to enjoy your new Sennheiser products quickly and to the fullest.  
1
Important safety instructions  
Important safety instructions  
1. Read these instructions.  
2. Keep these instructions. Always include these instructions when  
passing the device on to third parties.  
DE  
EN  
FR  
IT  
3. Heed all warnings.  
4. Follow all instructions.  
5. Do not use the device near water.  
6. Clean only with a dry cloth.  
7. Do not block any ventilation openings. Install in accordance with these  
instructions.  
8. Do not install near any heat sources such as radiators, heat registers,  
stoves, or other devices (including amplifiers) that produce heat.  
9. The device should be operated only from the type of power source  
indicated on the mains plug. The device must only be connected to  
properly grounded power outlets.  
10. Protect the mains cable from being walked on or pinched, particularly  
at plugs, convenience receptacles, and the point where it exits from  
the device.  
ES  
NL  
11. Only use attachments/accessories specified by Sennheiser.  
12. Use only with the cart, stand, tripod, bracket, or table specified by the  
manufacturer, or sold with the device.  
When a cart is used, use caution when moving the cart/device combi-  
nation to avoid injury from tip-over.  
13. Unplug the device during lightning storms or when unused for long  
periods of time.  
14. Refer all servicing to qualified service personnel.  
15. Servicing is required if the device has been damaged in any way, such  
as mains cable or plug damage, liquid has been spilled, objects have  
fallen inside, the device has been exposed to rain or moisture, does not  
operate properly or has been dropped.  
16. To completely disconnect the device from the AC mains, disconnect the  
mains plug from the AC receptacle.  
17. WARNING: To reduce the risk of fire or electric shock, do not expose the  
device to rain or moisture.  
18. Do not expose the device to dripping or splashing and ensure that no  
objects filled with liquids, such as vases or coffee cups, are placed on  
the device.  
19. The plug of the mains cable shall remain readily operable and easily  
accessible.  
2
Important safety instructions  
Hazard warnings on the rear of the charger  
The label shown on the left is attached to the rear of the charger. The  
symbols on this label have the following meaning:  
This symbol is intended to alert the user to the presence of uninsulated  
dangerous voltage within the device’s enclosure that may be of sufficient  
magnitude to constitute risk of fire or electric shock.  
DE  
EN  
FR  
IT  
This symbol is intended to alert the user to the risk of electric shock if the  
device is opened. There are no user serviceable parts inside. Refer servicing  
to qualified personnel only.  
This symbol is intended to alert the user to the presence of important  
operating and maintenance instructions in the literature accompanying  
this device.  
Overloading  
Do not overload wall outlets and extension cables as this may result in fire  
and electric shock.  
If you switch on several chargers at the same time, you can blow the fuse  
due to the high switch-on voltage! Therefore, never switch on more than  
three chargers at the same time, e.g. via a switchable multi-outlet power  
strip.  
ES  
NL  
Replacement parts  
When replacement parts are required, be sure the service technician has  
used replacement parts specified by Sennheiser or those having the same  
characteristics as the original part. Unauthorized substitutions may result  
in fire, electric shock, or other hazards.  
Safety check  
Upon completion of any service or repairs to this device, ask the service  
technician to perform safety checks to determine that the device is in a  
safe operating condition.  
Intended use of the device  
Intended use of the device includes:  
• using the device for professional purposes,  
• having read these instructions especially the chapter “Important safety  
instructions” on page 2,  
• using the device within the operating conditions and limitations  
described in this instruction manual.  
“Improper use” means using the device other than as described in these  
instructions, or under operating conditions which differ from those  
described herein.  
3
Delivery includes  
Delivery includes  
1 L 2021-40 charger  
1 instruction manual  
1 CD-ROM with:  
DE  
EN  
FR  
IT  
– the instruction manual of the L 2021-40 charger  
– the “Conference Control” software  
– the instruction manual of the “Conference Control” software  
You additionally require:  
1 mains cable  
1 network cable  
The L 2021-40 charger  
ES  
NL  
The L 2021-40 charger is part of the Tourguide 2020 D system. The  
Tourguide 2020 D system offers optimum digital speech transmission for  
guided tours e.g. in factories or museums and during conferences. The  
use of RF transmission allows freedom of movement for all members of  
the group. Six fixed transmission frequencies in “Tourguide mode” and  
eight transmission frequencies in “Conference mode“ offer high flexibility  
and adaptability. The L 2021-40 charger simultaneously recharges up to  
40 HDE 2020 D stethoset receivers with their built-in rechargeable  
batteries. The channel copy function lets you set all receivers to the same  
channel at the press of a button.  
In addition, the charger allows you to directly configure the stethoset  
receivers via a PC. You can connect up to 125 chargers to a single PC,  
allowing you to simultaneously configure up to 5000 receivers.  
Additional features of the charger:  
• Quick charge of receiver rechargeable batteries  
• Highest possible operational reliability, since temperature and voltage  
of the rechargeable batteries are monitored during charging  
4
Product overview  
Product overview  
¸
DE  
EN  
FR  
IT  
ES  
NL  
·
³ 39 “slave” charging compartments  
Mains switch  
º Air vents  
(light blue in the diagram)  
· “Master” charging compartment  
¾ Network socket  
µ Mains socket  
¸ Type plate  
(with channel copy function)  
» Green LED COPY AVAILABLE  
¿ COPY button  
´ Yellow LED SELECT  
² Red LED POWER  
5
Product overview  
Indications and displays on the charger  
Operation indication  
LED POWER ² Meaning  
lights up red  
The mains switch is in position “I”,  
the mains supply is switched on.  
DE  
EN  
FR  
IT  
is off  
The mains switch is in position “0”,  
the mains supply is switched off.  
Status indication  
LED SELECT ´ Meaning  
flashes yellow You have just switched on the device (LED flashes for  
a maximum of 2 seconds) or an error has occured.  
lights up  
yellow  
The charger is connected to a PC and  
the “Conference Control” software is running and has  
established a network connection with the charger and  
you have selected the charger or at least one receiver  
placed into the charger via the “Conference Control”  
software.  
ES  
NL  
is off  
Neither the charger nor a receiver have been selected  
via the “Conference Control” software.  
LED indication for “automatic copying” function  
LED Copy  
Meaning  
Available »  
lights up green The “automatic copying” function is available  
(see below).  
if off  
The “automatic copying” function is not available  
(see below).  
When the “automatic copying” function is available, the green LED COPY  
AVAILABLE » lights up. This is the case when  
• at switch-on of the charger, a receiver is already placed into the  
“master” charging compartment · or  
you place a receiver into the “master” charging compartment · or  
you switch on a receiver that is already placed into the “master”  
charging compartment · and  
·
• at least one receiver is placed into one of the “slave” charging  
compartments ³ and  
• no network connection exists.  
When the “automatic copying” function is not available, the green LED  
COPY AVAILABLE » goes off. This is the case when  
• you remove the receiver from the “master” charging compartment ·  
or  
• all “slave” charging compartments ³ are empty or  
• the “Conference Control” software accesses the charger or  
• you do not press the COPY button ¿ within two minutes.  
6
Putting the charger into operation  
Putting the charger into operation  
NOTICE! Danger due to heat accumulation!  
The charger and the receiver rechargeable batteries can get  
very hot during charging. If the heat cannot dissipate, the  
devices can be damaged.  
DE  
EN  
FR  
IT  
̈ Make sure that the air vents of the charger are not covered  
or blocked.  
̈ Make sure that the ambient temperature of the charger  
does not exceed 40°C. If necessary, provide additional  
ventilation.  
̈ Keep the charger away from heat sources and never expose  
it to direct sunlight.  
The charger can be:  
• placed on a table or cabinet  
• installed in a 19” rack  
• installed in a cabinet or similar  
ES  
NL  
When using the “Conference Control” software, it automatically sorts its  
charger displays according to ascending serial numbers. The assignment of  
the charger displays of the software to the chargers becomes easier and  
clearer if you install the chargers according to ascending serial numbers.  
Placing the charger on a table or cabinet  
The charger has four plastic feet to ensure that it cannot slip on the surface  
on which it is placed.  
NOTICE! Risk of staining of furniture surfaces!  
Some furniture surfaces have been treated with varnish,  
polish or synthetics which might cause stains when they  
come into contact with other synthetics. Despite a thorough  
testing of the synthetics used by us, we cannot rule out the  
possibility of staining.  
̈ Do not place the charger on delicate surfaces.  
̈ Place the charger on a table, cabinet or similar.  
7
Putting the charger into operation  
Installing the charger  
The housing of the charger is designed so that it fits into a 19” rack. The  
charger can also be installed in a cabinet or similar.  
CAUTION! Risks when rack mounting the charger!  
DE  
EN  
FR  
IT  
When installing the device in a closed or multi-rack assembly,  
please consider that, during operation, the ambient temper-  
ature, the mechanical loading and the electrical potentials  
will be different from those of devices which are not  
mounted into a rack.  
̈ The ambient temperature within the rack, cabinet or  
similar must not exceed the temperature limit specified in  
the specifications.  
̈ When installing the device, take good care not to affect  
the ventilation required for safe operation. If necessary,  
provide additional ventilation.  
̈ Make sure the mechanical loading of the rack is even to  
avoid a hazardous condition.  
ES  
NL  
̈ When connecting the device to the power supply, observe  
the information indicated on the type plate. Avoid circuit  
overloading. If necessary, provide overcurrent protection.  
̈ Ensure a reliable mains ground connection of the device  
by taking appropriate measures – especially when you are  
using an extension cable or a multi-outlet power strip.  
̈ When installing the device in a closed or multi-rack  
assembly, please note that intrinsically harmless leakage  
currents of the individual devices may accumulate,  
thereby exceeding the allowable limit value. As a remedy,  
ground the rack via an additional ground connection.  
̈ Use eight screws to fasten the charger.  
8
Putting the charger into operation  
You can install the charger fixedly, e.g. in a cabinet or similar. For the  
dimensions required for fixed installation, please refer to the below instal-  
lation drawing.  
50  
DE  
EN  
FR  
IT  
ES  
NL  
482.6  
465.1  
69.7  
12  
3
10.3  
156.7  
438  
258  
9
Putting the charger into operation  
Connecting the charger to a PC  
You can connect one or several chargers to a PC. The supplied “Conference  
Control” software allows you to centrally and easily configure and monitor  
several chargers and receivers.  
For this, the charger requires a network connection with a PC. The charger  
can be connected directly to an individual PC or integrated into an existing  
network. The charger cannot communicate with several PCs at the same  
time.  
DE  
EN  
FR  
IT  
The charger also functions without connection to a PC.  
Connecting the network cable  
̈ Use a standard network cable (RJ45 CAT.5E, not included in the delivery)  
to connect the network socket ¾ and an Ethernet socket of the  
network.  
̈ Install the “Conference Control” software.  
̈ Configure the network communication between the “Conference  
Control” software and the charger (the instruction manual of the  
“Conference Control” software on the enclosed CD).  
ES  
NL  
Connecting the charger to and disconnecting it from the  
mains  
CAUTION! Danger due to electric current!  
If you connect the charger to an unsuitable power supply, this  
can cause damage to the device!  
̈ Use a mains cable with a 3-pin IEC mains connector to  
ensure a reliable mains ground connection of the charger –  
especially when you are using an extension cable or a  
multi-outlet power strip.  
̈ Avoid circuit overloading. If necessary, provide overcurrent  
protection.  
To connect the charger to the mains:  
̈ Connect the mains cable (not included in the delivery) to the mains  
socket µ.  
̈ Plug the mains connector into a wall socket.  
To disconnect the charger from the mains:  
̈ Pull out the mains connector from the wall socket.  
10  
Using the charger  
Using the charger  
Switching the charger on/off  
DE  
EN  
FR  
IT  
NOTICE! High switch-on voltage can blow the fuse!  
If you switch on more than three chargers at the same time,  
you can blow the fuse due to the high switch-on voltage!  
̈ Only switch on a maximum of three chargers at the same  
time, e.g. via a switchable multi-outlet power strip.  
To switch the charger on:  
̈ Set the mains switch to position “I”.  
The red LED POWER ²  
lights up. The rechargeable batteries of the  
receivers in the charger are recharged. The “Conference Control” soft-  
ware detects the charger in the network.  
To switch the charger off:  
ES  
NL  
̈ Set the mains switch ¿ to position “0”.  
The red LED POWER ²  
goes off. The charger is disconnected from the  
mains. The rechargeable batteries of the receivers in the charger are no  
longer recharged. The “Conference Control” software does not detect  
the charger in the network.  
If you do not use the charger for extended periods of time:  
̈ Disconnect the charger for the mains by setting the mains switch to  
position “0” or pull out the mains connector from the wall socket.  
The red LED POWER ²  
goes off.  
Charging the receiver rechargeable batteries  
CAUTION! Danger of damage to the receivers due to over-heating!  
The receivers’ built-in rechargeable batteries can get very hot  
during charging and thus be damaged!  
̈ Only use the charger for charging the HDE 2020 D receivers’  
built-in rechargeable batteries. For more information on  
the HDE 2020 receivers with their built-in Lithium-polymer  
rechargeable batteries, please refer to the detailed instruc-  
tion manual.  
̈ Never try to charge other rechargeable batteries or non-  
rechargeable batteries in the charger!  
11  
Using the charger  
̈ Place the receiver into any charging compartment. The LED ¹ on the  
receiver indicates the charge status.  
LED ¹  
Meaning  
lights up red  
The built-in rechargeable battery is being charged.  
lights up green The built-in rechargeable battery is fully charged.  
flashes red  
The temperature of the built-in rechargeable  
battery is below 3°C or over 40°C. The charging  
process will be interrupted until the temperature of  
the built-in rechargeable battery is again between  
3°C and 40°C.  
DE  
EN  
FR  
IT  
lights up  
orange  
The built-in rechargeable battery is defective.  
Interrupt the charging process and contact your  
Sennheiser service partner.  
Charging a completely discharged rechargeable battery takes approx.  
3.5 hours at room temperature. However, the charging process may take  
longer if:  
¹
• the rechargeable battery is deep discharged and first has to be recondi-  
tioned by a deep discharge recovery charge,  
• the temperature of the built-in rechargeable battery is below 3°C or  
over 40°C, since, in order to protect the rechargeable battery, the  
charging process will be interrupted until the temperature is again  
within the permissible range and the LED ¹ lights up,  
ES  
NL  
• the additional temperature protection of the charger interrupts the  
charging process until the charger has cooled down.  
Setting the receiver channel(s) using the channel copy function  
You can simultaneously set all receivers in the charger to the same  
channel. The channel copy function allows you to copy the current channel  
of the receiver placed into the “master” charging compartment · to all  
other receivers in the charger.  
̈ Place all receivers which are to be set to the same channel into the  
“slave” charging compartments ³ (light blue in the diagram).  
̈ Place the receiver whose channel you want to copy into the “master”  
charging compartment ·.  
The LED COPY AVAILABLE  
»
lights up green as long as the channel  
copy function is available (see: LED indication for “automatic copying”  
function on page 6).  
Tip:  
If you do not press the COPY button ¿ within 2 minutes, the LED COPY  
·
AVAILABLE  
»
goes off and the “automatic copying” function is no  
longer available. To reactivate this function, remove the receiver from  
the “master” charging compartment · and place it back again.  
̈ Press the COPY button ¿ to start the channel copy function.  
The LC displays Ƹ of all receivers which are successfully set to the same  
channel light up.  
12  
Specifications  
Configuring chargers via a PC  
The “Conference Control” software offers additional possibilities to  
configure the receivers and to display the configurations in detail. The  
“Conference Control” software and the corresponding instruction manual  
are included on the supplied CD.  
DE  
EN  
FR  
IT  
Using several Tourguide systems simultaneously  
If you are using several Tourguide 2020 D systems to give more than one  
guided tour or one conference at the same time, the systems can interfere  
with one another. To prevent this happening, you have to set the simulta-  
neously used systems (a system is one transmitter and any number of  
receivers) to different channels.  
Specifications  
Ambient temperature during charging  
Connector  
+3°C to +40°C  
ES  
NL  
3-pin, protection class I,  
as per IEC/EN 60320-1  
Mains voltage  
100 to 240 V~  
(50 or 60 Hz)  
Primary power consumption  
max. 150 W  
Charging voltage per charging compartment typ. 5 V  
Charging current per charging compartment max. 400 mA  
Charging time for receiver  
rechargeable battery  
approx. 2.5 hrs  
In compliance with  
EMC EN 301489-1/-9  
Radio EN 300422-1/-2  
Safety EN 60065  
47 CFR 15 subpart B  
Dimensions in mm (W × H × D)  
approx. 483 × 399 × 172  
Weight (empty)  
approx. 8.8 kg  
13  
Accessories for the Tourguide system  
Accessories for the Tourguide system  
Product name Product description  
HDE 2020 D Stethoset receiver  
HDE 2020 D-US Stethoset receiver (US)  
Cat. No.  
500543  
500544  
037080  
DE  
EN  
FR  
IT  
Earbuds (black) for HDE 2020 D and  
HDE 2020 D-US stethoset receivers  
Earbuds (transparent) for HDE 2020 D and 040949  
HDE 2020 D-US stethoset receivers  
SK 2020 D  
Bodypack transmitter  
500548  
500549  
500542  
009950  
SK 2020 D-US Bodypack transmitter (US)  
EZL 2020-20 L Charging case  
BA 2015  
L 2015  
Accupack  
Charger for two SK 2020 D bodypack trans- 009828  
mitters or two BA 2015 accupacks  
CL 2  
CL 1  
Microphone cable, 1.5 m  
004840  
Connecting cable for external audio devices 005022  
(line input), 52 cm  
ES  
NL  
ME 2-N  
ME 4-N  
Clip-on microphone  
Clip-on microphone  
Clip-on microphone  
005018  
005020  
009831  
MKE 2-EW  
GOLD  
ME 3-N  
Headmic  
Headmic  
Headmic  
Headmic  
005019  
009866  
009867  
HSP 2-EW  
HSP 4-EW  
HS 2-EW  
e 815  
Cardioid hand-held microphone with  
connecting cable  
009425  
e 825 S  
e 835  
e 840  
e 845  
Cardioid hand-held microphone with  
connecting cable  
004511  
004513  
009894  
Cardioid hand-held microphone with  
connecting cable  
Cardioid hand-held microphone with  
connecting cable  
Super-cardioid hand-held microphone with 004515  
connecting cable  
Netzkabel EU  
Netzkabel US  
Netzkabel UK  
Mains cable with EU plug, 2.5 m, black  
Mains cable with US plug, 2.5 m, black  
Mains cable with UK plug, 2.5 m, black  
054324  
054325  
057256  
“Conference  
Control” PC  
software  
Software for monitoring and configuring  
L 2021-40 chargers and HDE 2020 D  
stethoset receivers  
14  
Manufacturer Declarations  
Manufacturer Declarations  
Warranty  
Sennheiser GmbH & Co. KG gives a warranty of 24 months on this product.  
DE  
EN  
FR  
IT  
For the current warranty conditions, please visit our web site at  
CE Declaration of Conformity  
This device is in compliance with the essential requirements and other  
relevant provisions of Directives 2004/108/CE and 2006/95/CE. The  
0682  
Statements regarding FCC and industry Canada  
This device complies with Part 15 of the FCC Rules and with RSS-210 of  
Industry Canada. Operation is subject to the following two conditions:  
1. This device may not cause harmful interference, and  
ES  
NL  
2. this device must accept any interference received, including inter-  
ference that may cause undesired operation.  
This equipment has been tested and found to comply with the limits for a  
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are  
designed to provide reasonable protection against harmful interference in  
a residential installation. This equipment generates, uses and can radiate  
radio frequency energy and, if not installed and used in accordance with  
the instructions, may cause harmful interference to radio communications.  
However, there is no guarantee that interference will not occur in a partic-  
ular installation. If this equipment does cause harmful interference to  
radio or television reception, which can be determined by turning the  
equipment off and on, the user is encouraged to try to correct the inter-  
ference by one or more of the following measures:  
1. Reorient or relocate the receiving antenna.  
2. Increase the separation between the equipment and receiver.  
3. Connect the equipment into an outlet on a circuit different from that  
to which the receiver is connected.  
4. Consult the dealer or an experienced radio/TV technician for help.  
This class B digital apparatus complies with the Canadian ICES-003.  
Warning: Changes or modifications made to this equipment not expressly  
approved by Sennheiser electronic Corp. may void the FCC authorization to  
operate this equipment.  
15  
Sennheiser electronic GmbH & Co. KG  
Am Labor 1, 30900 Wedemark, Germany  
Printed in Germany  
Publ.06/2008  
524164/A01  

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