Siemens miniTek - Key Lock and Mute Functionality

Basic functions
16
Changing the volume
 Press to increase the volume.
 Press to decrease the volume.
Key lock
 To activate the key lock function, press and
for 3 seconds.
and shine for 2 seconds.
All buttons except
are locked.
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 and
for 3 seconds.
and shine for 2 seconds. The key lock
function is deactivated.
Fade out ambient noises (mute)
 Press shortly to switch off the microphones of
your hearing instruments.
 Press shortly to switch on again the
microphones of your hearing instruments.
With this function you can fade out distracting noise from
environment (e.g. while watching TV).