Sennheiser Tourguide System 2020 Instructions For Use Manual page 15

» ¿
CH 03
LINE
MIC
MUTE display
LOW BATT/MUTE ¶
The red LED
the transmitter's microphone input is muted (see
"Muting the transmitter" on page 25).
Note:
The muting function (MUTE) mutes the microphone
» but not the line input ¿.
input
Lock mode icon
The lock mode icon
the lock mode is activated (see "Activating/
deactivating the lock mode" on page 37).
LC display backlighting
After pressing a button, the LC display remains backlit
for approx. 15 seconds.
Display of the energy saving mode
When there is no audio signal for five minutes, the
transmitter automatically switches to energy saving
mode and "CH OFF" appears on the display.
When an audio signal reaches the transmitter, it
switches back to normal operation.
lights up as long as
appears on the LC display when
15