SLG 900 – Charging Unit
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Thank you for selecting the SLG 900 charger from beyerdynamic. Please take some time to read through this manual
carefully before using this product.
1. Safety information
General
• READ these instructions.
• KEEP these instructions.
• HEED all warnings and follow all instructions.
Exemption from liability
• beyerdynamic GmbH & Co. KG will not be liable if any damage, injury or accident occurs due to negligent,
incorrect or inappropriate operation of the product.
Humidity / heat sources
• Never expose the equipment to rain or a high level of humidity. For this reason do not install it in the immediate
vicinity of swimming pools, showers, damp basement rooms or other areas with unusually high atmospheric
humidity.
• Never place objects containing liquid (e.g. vases or drinking glasses) on the equipment. Liquids in the equipment
could cause a short circuit.
• Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including
amplifiers) that produce heat.
Connection
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
• Unplug the device during lightning storms or when unused for long periods of time.
• Only use attachments/accessories specified by the manufacturer.
• Do not use the equipment if the power cable is damaged.
Charging
•
Never charge the handheld and beltpack transmitter with a normal battery! The battery can explode and
destroy the transmitter! In this case all warranty claims are null and void.
• Always switch off the transmitters before charging the battery.
• A completely new rechargeable battery must be charged two or three times to achieve its full capacity.
• Rechargeable batteries loose 20% of their capacity within one month. If the transmitter is not used for some
time, recharging the battery is recommended.
• Avoid recharging the batteries inside the transmitters several times in a quick succession. This could create an
error while charging or damage the rechargeable battery.
• Do not throw used batteries into the domestic rubbish, but hand them in to local collection points.
Maintenance
• Only clean the equipment with a dry cloth.
Trouble shooting and servicing
• Do not open the equipment without authorisation. You could receive an electric shock. No user serviceable parts
inside.
• Refer all servicing to qualified service personnel.
2. Functions
• Separate charging of each rechargable battery.
• Transmitters with a NiMH battery can be charged only.
• The charging status before start of charging is irrelevant.
• A microcontroller monitors the battery voltage during the complete charging time.
