Sennheiser SK 50 - 04-05 Specifications download pdf (Page 37)

Preparing for use

Inserting and changing the battery

For powering the plug-on transmitter, you can either use two 1.5 V

AA size batteries or the rechargeable Sennheiser BA 2015 accupack.

 Slide the battery compartment cover  in the direction of the

embossed arrow until it clicks audibly and open the cover.



Insert the two batteries or the BA 2015 rechargeable battery as

shown below. Please observe correct polarity when inserting the

batteries/accupack.

 Close the battery compartment. The battery compartment cover

9 locks into place with an audible click.

Note:

For rechargeable battery operation of the transmitter, only use

the BA 2015 rechargeable battery in order to ensure optimum

operational reliability. For charging the accupack, only use the L

2015 charger. Both the rechargeable battery and the charger are

available as accessories.

The rechargeable battery is fitted with an integrated sensor

which is – via a third contact – monitored by the electronics of

the plug-on transmitter and the charger. The sensor is necessary

for the following control purposes:

y The taking into account of the different voltage characteristics

of primary cells (batteries) and accupacks. The battery status

indications on the displays, the transmission of transmitter

battery status information to the rack-mount receivers and

the switch-off thresholds at the end of the operating time are

corrected correspondingly. Due to the missing sensor, indivi-

dual rechargeable battery cells will not be identified as accup-

acks.

y The monitoring of the rechargeable battery temperature

during charging in the L 2015 charger.

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Sennheiser SK 50 - 04-05 Specifications Page 37