Sennheiser SYSTEM 2020 Instructions For Use Manual page 25

Putting the components into operation
Inserting/Changing batteries or accupack in the
wireless microphone
For powering the wireless microphone, only use either
the rechargeable BA 2015 accupack
AA size batteries.
Unscrew the display unit
arrow (counterclockwise) on the handle of the
wireless microphone
Pull out the display unit
Open the cover
Insert the batteries or the BA 2015 accupack as
indicated on the compartment. Please observe
correct polarity when inserting the batteries/
accupack.
Close the cover
Push the battery compartment into the handle of
the wireless microphone.
Screw the display unit on again.
Note:
Always charge the accupack in the charging
compartment
"Charging the BA 2015 accupack" on page 30).
in the direction of the
.
fully.
of the battery compartment.
.
of the charging case (see
or two 1.5 V
23