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L 50
Bedienungsanleitung
Instruction manual
Notice d‘emploi
Istruzioni per l‘uso
Instrucciones de manejo
Gebruiksaanwijzing
Bruksanvisning
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Important safety instructions
Important safety instructions
1. Read these safety instructions and the instruction manual
of the product.
2. Keep these safety instructions and the instruction manual
of the product. Always include all instructions when passing the product on to third parties.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Only clean the product when it is not connected to the
power supply system. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer‘s instructions.
8. Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Only operate the product from the type of power source
specified in the chapter „Specifications“ and indicated on
the power supply unit.
10. Protect the power cord from being walked on or pinched,
particularly at plugs, convenience receptacles, and the
point where it exits from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/
apparatus combination to avoid injury from tip-over.
13. Unplug the power supply unit from the wall socket,
• to completely disconnect the product from the power
supply system,
• during lightning storms,
• when not using the product for long periods of time.
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Important safety instructions
14. Refer all servicing to qualified service personnel. Servicing
is required when the apparatus has been damaged in any
way, such as power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into the apparatus,
when the apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
15. Warning: To reduce the risk of fire or electric shock, do
not expose this apparatus to rain or moisture and objects
filled with liquids, such as vases, should not be placed on
this apparatus.
16. When using the supplied device feet, do not place the
product on delicate surfaces. Delicate surfaces can become discolored or stained when they come into contact
with the plastic of the device feet.
17. Always ensure that the power supply 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.
Risk of fire due to overloading
Do not overload wall outlets and extension cables as this may
result in fire and electric shock.
Intended use
The product is designed for indoor use.
The product can be used for commercial purposes.
It is considered improper use when the product is used for any
application not named in the corresponding instruction manual.
Sennheiser does not accept liability for damage arising from
improper use or misuse of this product and its attachments/
accessories.
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Important safety instructions
Before putting the products into operation, please observe the
respective country-specific regulations!
Sennheiser is not liable for damages resulting from the loss of
connection due to flat or overaged (rechargeable) batteries or
exceeding the transmission range.
Safety instructions for standard/rechargeable
batteries
Caution: Risk of explosion if you use or replace a battery by
an incorrect type.
Do not short-circuit a cell or battery.
Do not expose cells or batteries to heat or fire. Avoid sto-
rage in sunlight.
Do not subject cells or batteries to mechanical shock.
Do not touch leaking/defective batteries unprotected.
Observe correct polarity.
Do not use different battery types.
Charge rechargeable batteries at ambient temperatures
between +10 °C and +40 °C (+50 °F and +104 °F).
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Putting the charger into operation
Putting the charger into operation
The L 50 twin charger is suitable for recharging the following
accupacks:
BA 50-2, BA 250-2 and BA 5000-2; the delivery of the
BA 5000-2 includes a charging adaptor for the L 50 twin
charger. The accupacks supply the SK 50, SK 250, SK 3063,
SKM 5000, SKM 5200 and SKM 5200-II transmitters.
Automatic charging process. Accupacks cannot be overcharged. No memory effect.
Mains Connection
Plug the NT 50 mains unit (page 7, to be ordered separately) into the mains.
Connect the cable of the NT 50 mains unit to socket 1 on
the L 50 charger.
1
Note: The charging process restarts after a power failure
or after the accupack has been removed from the charging
compartment and inserted again. The accupacks cannot be
overcharged.
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Putting the charger into operation
Charging
To recharge the BA 50-2 and BA 250-2 accupacks:
Insert the BA 50-2 and BA 250-2 accupacks into charging
compartment 2 or 3.
To recharge the BA 5000-2 accupack:
Put the appropriate charging adaptor 4 into charging compartment 2 or 3.
Plug the BA 5000-2 accupacks into the charging adaptors.
The insert adapts the corresponding charging contacts to
the BA 5000-2 accupack.
4
2 3
4
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Putting the charger into operation
6
Indicator LEDs
Red LED is flickering
Red LED is lit Quick charge! Do not interrupt the
Red LED is blinking Defective accupack! (Short circuit!)
Green LED is lit Quick charge is finished. The unit
Ready for operation! Please insert the
accupack (the red LED continues to
flicker if the inserted accupacks are
defective).
charging process!
switches to trickle charging.
Combination of several devices
You can connect up to four chargers to a single mains unit to
recharge several accupacks at the same time:
Loosen and remove the screws 5 at the bottom of the charger.
Remove the connection rails 6.
Connect both chargers to the connection rail.
Tighten the connection rails to both chargers.
Power is supplied by one charger to the other via the connection rails 6.
5
5
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Cleaning
Cleaning
CAUTION
LIQUIDS CAN DAMAGE THE PRODUCTS’ ELECTRONICS.
Liquids entering the product housing can cause a short-circuit
and damage the electronics.
Keep all liquids away from the products.
Do not use any solvents or cleansing agents.
Disconnect the products from the power supply system
and remove rechargeable batteries and batteries before
you begin cleaning.
Clean all products only with a soft, dry cloth.
Specifications
Charging current 700 mA
Charging time limited to max. 3 h
Automatic on/
off function
Trickle charge 700 mA pulsed mode (30 mA eff.)
Power supply 12 - 30 V
Dimensions 80 x 100 x 68 mm
Weight approx. 150 g
through - ΔU recognition
, preferably via NT 50 mains
unit
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Accessory
Accessory
NT 50, Mains unit; Art. No. 003594
• One NT 50 mains unit can power up to four L 50 twin
chargers.
Manufacturer Declarations
Information about approvals and certifications can be found in
the “Compliance” section.
Warranty
Sennheiser electronic GmbH & Co. KG gives a warranty of 24
months on these products.
For the current warranty conditions, please visit our website
at www.sennheiser.com or contact your Sennheiser partner.
FOR AUSTRALIA ONLY
Sennheiser goods come with guarantees that cannot be
excluded under the Australian Consumer Law. You are entitled
to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You
are also entitled to have the goods repaired or replaced if the
goods fail to be of acceptable quality and the failure does not
amount to a major failure.
This warranty is in addition to other rights or remedies under
law. Nothing in this warranty excludes, limits or modifies
any liability of Sennheiser which is imposed by law, or limits
or modifies any remedy available to the consumer which is
granted by law.
To make a claim under this warranty, contact
Sennheiser Australia Pty Ltd, Unit 3, 31 Gibbes Street Chatswood NSW 2067, AUSTRALIA.
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Manufacturer Declarations
Phone: (02) 9910 6700, email: service@sennheiser.com.au.
All expenses of claiming the warranty will be borne by the
person making the claim.
The Sennheiser International Warranty is provided by Sennhe-
iser Australia Pty Ltd (ABN 68 165 388 312), Unit 3, 31 Gibbes
Street Chatswood NSW 2067 Australia.
In compliance with the following requirements
• WEEE Directive (2012/19/EU)
• Battery Directive (2006/66/EC & 2013/56/EU)
Notes on disposal
The symbol of the crossed-out wheeled bin (imprint available
depending on national requirements) on the product, the battery/rechargeable battery (if applicable) and/or the packaging
indicates that these products must be disposed of separately
at the end of their operational lifetime in accordance with the
national legislation. For packaging disposal, please observe
the legal regulations on waste segregation applicable in your
country.
The separate collection of waste electrical and electronic
equipment, batteries/rechargeable batteries (if applicable)
and packagings is used to promote the reuse and recycling
and to prevent negative effects caused by e.g. potentially
hazardous substances contained in these products. Herewith
you make an important contribution to the protection of the
environment and public health.
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Manufacturer Declarations
EU Declaration of conformity
• RoHS Directive (2011/65/EU)
Hereby, Sennheiser electronic GmbH & Co. KG declares that
the radio equipment type (accessory) L 50 is in compliance
with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at
the following Internet address:
www.sennheiser.com/download.
Statements regarding the FCC and Industry Canada
rules
This device complies with part 15 of the FCC rules. Operation
is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, includ-
ing interference that may cause undesired operation.
This Class A digital apparatus complies with the Canadian
ICES-003.
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Compliance
Certified by
Compliance
Europe EMC:
Safety:
RoHS:
Canada CAN ICES-3 (A)/NMB-3(A)
Australia
EN 55032,
EN 55035
EN 62368-1
EN 50581
L 50
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Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
Printed in Germany, Publ. 07/18, 048758/A05
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