Siemens miniTek User Manual page 16

Basic functions
Changing the volume
Press to increase the volume.

Press to decrease the volume.

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).
16
shine for 2 seconds.
are locked.
shine for 2 seconds. The key lock
to switch off the microphones of
to switch on again the
and
and