Siemens miniTek User Manual page 17

Changing the volume
Press
Press
Key lock
To activate the key lock function, press
for 3 seconds.
and
All buttons except
With activated key lock the on/off button flashes
red if you press any of the locked buttons.
To deactivate the key lock function, press
for 3 seconds.
and
function is deactivated.
Fade out ambient noises (mute)
Press shortly
your hearing instruments.
Press shortly
microphones of your hearing instruments.
With this function you can fade out distracting noise from
environment (e.g. while watching TV).
to increase the volume.
to decrease the volume.
shine for 2 seconds.
shine for 2 seconds. The key lock
to switch off the microphones of
to switch on again the
are locked.
and
and
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