Sennheiser EK 500 G2 - Manual (Page 11)

11
Preparing the receiver for use
Inserting and replacing the batteries
For powering the receiver, two 1.5 V AA size batteries are
required.
̈
Press the two unlocking buttons
µ
and open the
battery compartment cover
ᕩ
.
̈
Insert the two batteries as shown above. Please observe
correct polarity when inserting the batteries.
̈
Close the battery compartment. The battery
compartment cover
ᕩ
locks into place with an audible
click.
Inserting and charging the accupack
The receiver can also be powered via the rechargeable
Sennheiser BA 2015 accupack. Insert the accupack into the
battery compartment as described above.
The receiver has two charging contacts
ᕥ
and a sensing
contact on its short sides. The accupack can be recharged
while remaining in the receiver. Insert the receiver into the
L 2015 charger (see operating manual of the L 2015
charger).
Note:
For accupack operation of the receiver, only use the
BA 2015 accupack in order to ensure optimum
operational reliability. For charging the accupack, only
use the L 2015 charger. Both the accupack and the
charger are available as accessories.
The accupack is fitted with an integrated sensor which is
– via a third contact – monitored by the electronics of
the receiv er and the charger. The sensor is necessary for
the following control purposes:
y The taking into account of the different voltage cha-
racteristics of primary cells (batteries) and accupacks.
The battery status indications on the displays and the
switch-off thresholds at the end of the operating time
µ
¾
¾
´