Sennheiser Evolution Wireless Digital Series - Meaning of the LEDs

EW-D EM rack receiver
43
Lock-off function
To activate the key lock:
▷ Press the UP and DOWN buttons simultaneously.
Key lock is activated and the lock icon is shown on the dis-
play.
►
To deactivate the key lock:
▷ Simultaneously press the UP and DOWN buttons again.
Key lock is deactivated and the lock icon disappears from
the display.
►