Sennheiser Battery Charger L1039 10 User Guide

L 1039-10  
Charger  
Instruction manual  
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Contents  
Contents  
Contents ............................................................................................................................... 1  
Important safety instructions ........................................................................................ 2  
Package contents ............................................................................................................... 3  
The L 1039-10 charger ..................................................................................................... 3  
Product overview ............................................................................................................... 4  
Putting the charger into operation ............................................................................... 5  
Installing the charger ..................................................................................................... 5  
Charging the receivers ...................................................................................................... 8  
Indications of the status LEDs ..................................................................................... 9  
Charging times ................................................................................................................ 9  
Cleaning and maintaining the L 1039-10 .................................................................... 9  
If a problem occurs ... ...................................................................................................... 10  
Specifications .................................................................................................................... 11  
Manufacturer Declarations ............................................................................................ 12  
L 1039-10 | 1  
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Important safety instructions  
Important safety instructions  
Read this instruction manual.  
Keep this instruction manual. Always include this instruction manual when  
passing the product on to third parties.  
Heed all warnings and follow all instructions in this instruction manual.  
Only clean the product when it is not connected to the mains. Use a cloth for  
cleaning.  
Only use attachments/accessories recommended by Sennheiser.  
Refer all servicing to qualified service personnel.  
Servicing is required if the product has been damaged in any way, liquid has  
been spilled, objects have fallen inside, the product has been exposed to rain or  
moisture, does not operate properly or has been dropped.  
WARNING: To reduce the risk of short circuits, do not use the product near water  
and do not expose it to rain or moisture. Do not place objects filled with liquids,  
such as vases or coffee cups, on the product.  
Only use the supplied mains unit.  
Unplug the mains unit from the wall socket  
– to completely disconnect the product from the mains,  
– during lightning storms or  
– when unused for long periods of time.  
Only operate the mains unit from the type of power source specified in the  
chapter “Specifications” (see page 11).  
Ensure that the mains unit is  
– in a safe operating condition and easily accessible,  
– properly plugged into the wall socket,  
– only operated within the permissible temperature range,  
– not covered or exposed to direct sunlight for longer periods of time in order to  
prevent heat accumulation (see “Specifications” on page 11).  
Do not block any ventilation openings. Install the product in accordance with the  
instructions given in this instruction manual.  
Do not install the product near any heat sources such as radiators, stoves, or  
other devices (including amplifiers) that produce heat.  
Do not overload wall outlets and extension cables as this may result in fire and  
electric shock.  
Intended use  
Intended use of the product includes:  
using the product for professional purposes,  
having read and understood this instruction manual, especially the chapter  
“Important safety instructions” on page 2,  
using the product within the operating conditions and limitations described in  
this instruction manual.  
“Improper use” means using the product other than as described in this instruction  
manual, or under operating conditions which differ from those described herein.  
2 | L 1039-10  
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Package contents  
Package contents  
1 L 1039-10 charger  
1 NT 12-50C mains unit  
3 mains cable (EU, UK, US)  
1 instruction manual  
A list of accessories can be found on the L 1039-10 product page at  
For information on suppliers, contact your local Sennheiser partner:  
The L 1039-10 charger  
The L 1039-10 charger is part of the Tourguide 1039 system.  
The Tourguide 1039 system consists of the EK 1039 receiver and a suitable trans-  
mitter of the evolution wireless G3 or 2000 series. The system offers optimum  
speech transmission for guided tours, small conferences and interpretation appli-  
cations with one or several speakers. The use of RF transmission allows freedom of  
movement for all members of the group. Due to the possibility of combining the  
EK 1039 receiver with different transmitters, the system can be optimally adapted  
to your individual needs.  
The L 1039-10 charger can charge up to ten EK 1039 receivers with their BA 2015  
accupacks installed. In addition, the charger allows you to charge all bodypack  
receivers or bodypack transmitters of the Sennheiser evolution wireless G3,  
evolution wireless G2 or 2000 series.  
L 1039-10 | 3  
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Product overview  
Product overview  
1
4
2
3
7
1
4
8
5
7
6
1 Carrying handles  
5 Cable grip for mains cable  
2 Charging compartments for up to 10 EK 1039 6 Hollow jack socket for connection of  
receivers (with the BA 2015 accupacks  
installed)  
NT 12-50C mains unit  
7 Holes for optionally fixing/securing  
3 Status LED CHARGE/ERROR, red  
the receivers  
4 Mounting holes, e.g. for mounting the charger 8 Status LED READY, green  
into a 19" rack  
4 | L 1039-10  
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Putting the charger into operation  
Putting the charger into operation  
CAUTION  
Danger due to heat accumulation!  
The charger and the receivers can get very hot during charging. If the heat cannot  
dissipate, the products can be damaged.  
̈ Provide sufficient ventilation so that the ambient temperature of the charger  
does not exceed the temperature limit specified in the specifications (see  
page 11).  
̈ 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,  
fixedly installed in a cabinet or transport case.  
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 transport case.  
CAUTION  
Risks when rack mounting the charger!  
When installing the product in a closed or multi-rack assembly, please consider  
that  
the ambient temperature within the rack may increase considerably,  
high mechanical loading may occur, e.g. acting on the housings and cables,  
intrinsically harmless leakage currents of the individual mains units may accu-  
mulate, thereby exceeding the allowable limit values.  
This can cause material damage and electric shock.  
̈ Make sure that the mechanical loading of the rack is even.  
̈ Make sure that the ambient temperature within the rack does not exceed the  
temperature limit specified in the specifications (see page 11). Ensure sufficient  
ventilation; if necessary, provide additional ventilation.  
̈ When connecting the charger to the mains, observe the information indicated  
on the type plate. Avoid circuit overloading. If necessary, provide overcurrent  
protection.  
̈ Ground the rack via an additional ground connection.  
̈ Slide the charger into the 19" rack.  
̈ Fasten the charger to the rack by screwing 4 screws through the 4 mounting  
holes 4.  
̈ Attach the mains unit to the rack (e.g. using Velcro tape) so that the mains  
cables are not mechanically loaded.  
L 1039-10 | 5  
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Putting the charger into operation  
You can install the charger fixedly, e.g. in a cabinet or transport case. For the  
dimensions required for fixed installation, please refer to the below installation  
drawing.  
132.5 mm  
57.0 mm  
70.0 mm  
58.0 mm  
6 | L 1039-10  
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Putting the charger into operation  
Connecting the charger to and disconnecting it from the  
mains  
To connect the charger to the mains and switch it on:  
̈ Connect the hollow jack plug of the of the NT 12-50C mains unit to the hollow  
jack socket 6 of the charger.  
̈ Pass the cable of the mains unit through the cable grip 5 as shown.  
̈ Connect the mains cable (EU, UK or US version) to the mains unit and to a wall  
socket.  
All status LEDs 3 and 8 light up for a brief moment. The charger is switched on  
and in standby mode.  
5
6
EU  
UK  
US  
NT 12-50C  
To switch the charger off and disconnect it from the mains:  
̈ Pull out the mains plug from the wall socket.  
L 1039-10 | 7  
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Charging the receivers  
Charging the receivers  
̈ Insert the bodypack receiver/transmitter with the BA 2015 accupack installed  
into any of the charging compartments 2 until it locks into place with an  
audible click.  
The accupack is being charged. The status LEDs 3 and 8 indicate the charging  
process.  
When an accupack is fully charged, the charging process stops automatically.  
Accupacks that are left unused for extended periods of time lose a percentage of  
their electrical charge. This is independent of whether the bodypack receivers/  
transmitters are stored in the charger’s charging compartments or not.  
To make sure that you always use fully charged accupacks, we recommend the  
following steps:  
̈ Fully charge the accupacks for about 4-5 hours before use. Recharge the accu-  
packs every 2 months at the latest.  
If you store the bodypack receivers/transmitters outside the charger:  
̈ Insert the bodypack receivers/transmitters into the charger as desribed above.  
̈ Switch the charger on.  
If you store the bodypack receivers/transmitters in the charger’s charging  
compartments:  
̈ Switch the charger off and on again.  
When the status LED 8 of a charging compartment lights up green, the accupack  
of the corresponding bodypack receiver/transmitter is fully charged.  
When the status LED lights up red, the accupack is being charged.  
8 | L 1039-10  
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Cleaning and maintaining the L 1039-10  
Indications of the status LEDs  
Status LED 3  
lights up red  
flashes red  
Meaning  
receiver is being charged  
error, charging compartment is deactivated (see page 10)  
2
Status LED 8  
Meaning  
lights up green  
receiver is fully charged  
8
3
Charging times  
With a completely discharged accupack and at room temperature, the charging  
times are as follows:  
Capacity obtained  
Charging time  
approx. 100%  
typ. 3-4 hours  
However, charging may take longer under the following circumstances:  
The accupack is deep-discharged and first has to be reconditioned by a deep  
discharge recovery charge.  
The ambient temperature is close to or over 45°C/113°F; in order to protect the  
accupack, the charging power will be reduced until the accupack temperature  
has dropped to an admissible value.  
Charging will be aborted and the status LED 3 will start flashing red under the  
following circumstances:  
The accupack temperature is too low or too high (see “Specifications” on  
page 11); charging starts automatically when the accupack temperature is  
within the charging temperature range.  
The accupack is defective.  
Cleaning and maintaining the L 1039-10  
CAUTION  
Liquids can damage the electronics of the product!  
Liquids entering the housing of the product can cause a short-circuit and damage  
the electronics.  
̈ Keep all liquids away from the product.  
̈ Do not use any solvents or cleansing agents.  
̈ Remove all bodypack receivers/transmitters from the charging compartments.  
̈ Before cleaning, disconnect the mains unit from the mains.  
̈ Use a soft, dry cloth for cleaning.  
̈ Use a brush or similar to remove dust from the charging compartments.  
L 1039-10 | 9  
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If a problem occurs ...  
If a problem occurs ...  
Problem  
Possible cause  
Solution  
The status LEDs Charger is not connected  
Check if the charger is connected  
to the NT 12-50C mains unit and  
if the mains unit is connected to  
the mains (see page 7).  
3 and 8 do  
to the mains  
not light up  
Unstable voltage of the  
mains unit  
Replace the defective mains unit  
or mains cable with a new one.  
Mains unit or mains cable  
is defective  
No contact with the  
accupack  
Insert the bodypack receiver/  
transmitter –with the accupack  
installed – correctly into the  
charging compartment  
(see page 8).  
Contacts of the receiver or Clean the charging contacts of  
contacts of the charging  
compartment are dirty  
the receiver and of the charging  
compartment (see page 9).  
Accupack is defective  
(overaged or defective  
rechargeable battery cells)  
Replace the defective accupack  
with a new one.  
The status  
LED 3 flashes vidual rechargeable  
red  
Wrong accupack/indi-  
Only charge BA 2015 accupacks  
(installed in a bodypack receiver/  
transmitter) with the L 1039-10  
charger.  
batteries/batteries  
(primary cells) have  
been inserted  
Accupack temperature is  
too low or too high  
Always recharge the accupacks  
within the operating temperature  
range and the air humidity range  
stated in the specifications  
(see page 11).  
Accupack is defective  
(overaged or defective  
rechargeable battery cells)  
Replace the defective accupack  
with a new one.  
10 | L 1039-10  
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Specifications  
Specifications  
L 1039-10 charger  
Input voltage  
Input current  
12 ... 15 V  
max. 3.4 A  
Pin assignment of DC input  
hollow jack socket  
Charging voltage per charging  
compartment  
3.7 ... 4.1 V  
Charging current  
Compatible accupacks  
Charging time  
nom. 10 x 500 mA  
Sennheiser BA 2015  
with a completely discharged accupack and at  
room temperature:  
approx. 100% = typ. 3-4 hours  
Temperature range  
operation:  
storage:  
0°C ... +40°C  
20°C ... +70°C  
Relative humidity,  
non-condensing  
operation:  
storage:  
20% ... 95%  
5% ... 95%  
Dimensions (L x H x D),  
without carrying handles  
approx. 482 mm x 70 mm x 132 mm (3 U)  
approx. 1750 g  
Weight (w/o mains unit and  
accupacks)  
In compliance with  
Europe  
EMC  
EN 61000-3-1  
EN 61000-3-3  
Canada  
USA  
Industry Canada ICES 003  
FCC 47 CFR Part 15 B  
NT 12-50C mains unit  
Nominal input voltge  
Mains frequency  
100 ... 240 V~  
50 ... 60 Hz  
12 V  
Nominal output voltage  
Nominal output current  
Standby power consumption  
max. 5 A  
0.5 W  
Energy efficiency level  
(Energy Star)  
V
Temperature range  
operation: 0°C ... +40°C  
storage: 10°C ... +70°C  
Relative humidity,  
non-condensing  
max. 95%  
Dimensions (L x H x D)  
Weight  
approx. 115 x 50 x 33 mm  
approx. 280 g  
Cable lengths  
approx. 1.8 m to the mains plug  
approx. 2.5 m to the hollow jack plug  
In compliance with  
Europe  
EMC  
Safety  
EN 61204-3  
EN 60065  
Canada  
USA  
Industry Canada ICES 003  
FCC 47 CFR Part 15 B  
L 1039-10 | 11  
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Manufacturer Declarations  
Manufacturer Declarations  
Warranty  
Sennheiser GmbH & Co. KG gives a warranty of 24 months on this product.  
For the current warranty conditions, please visit our website at  
In compliance with the following requirements  
RoHS Directive (2002/95/EC )  
China RoHS  
㦘㹡㦘⹂䓸德㒥⏒侯  
捷ↅ⚜䱿  
(Parts)  
(Pb)  
⏼ↆ杻  
⮩䅃勣啾  
(PBB)  
⮩䅃ℛ啾搩  
(PBDE)  
(Cr6+)  
(Hg) (Cd)  
摠⻭捷ↅ  
x
x
o
o
o
o
o
o
o
o
o
o
(Metal Parts)  
䟄恾㲰⧦  
(Circuit Modules)  
o: 表示该有毒有害物质在该部件所有均质材料中的含量均在SJ/T11363-2006 标准规定的限量要求以下。  
x:  
嫷䯉年㦘㹡㦘⹂䓸德咂⺠⦷年捷ↅ䤓㩟₏⧖德㧟㠨₼䤓⚺摞怔⒉ 6-ꢀ7ꢁꢁꢂꢃꢂꢄꢅꢆꢆꢃ 㪖⑕屓⸩䤓棟摞尐㻑ᇭ  
ErP Directive (2009/125/EC)  
CE Declaration of Conformity  
EMC Directive (2004/108/EC)  
Low Voltage Directive (2006/95/EC)  
NT 12-50C mains unit certified by  
Audio, Video and Similar Electronic Apparatus – Safety Requirements CAN/  
CSA-C22.2 No. 60950:03 and UL Std. No. 60950  
12 | L 1039-10  
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