Siemens MUSIC Pro - Manual (Page 30)

Safety instructions for hearing instruments with audio input
The audio input may be connected to line-operated
equipment only if this fulfils at least the safety
requirements of IEC 65 / DIN VDE 0860.
Switching off instrument with
audio shoe
Press the audio shoe to the
rear, up to the first stop.
Removing the audio shoe
Press the audio shoe to the
front, unhook the audio shoe
and close the flap again.
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Battery compartment lock
To unlock the battery compartment again, open the battery
compartment up to the first stop. Push the slide in the battery
compartment to the left with a suitable tool.
If you feel you cannot do this yourself, your hearing instrument
specialist will be pleased to help you.
Your instruments are equipped
with a battery compartment
lock. This is intended to prevent
the unintentional removal of
batteries from their compartment,
such as by small children.
To lock the battery compartment open the battery
compartment up to the first stop. Push the slide in the
battery compartment to the right with a suitable tool.