Sennheiser ew 300 IEM Instruction Manual page 21

LOCK Activating/deactivating the lock-mode function
Loc
You can lock the
programming or switching off during operation.
Activating the lock-mode function
Deactivating the lock-mode function
buttons and the
/
Select the "LOCK" menu by pressing the
is indicated on the display.
Press the button to activate the lock-mode function. "LOC ON" starts
flashing on the display.
Press the SET button to return to the top menu level.
Note:
If you press the buttons or the
/
on the display and the buttons are now locked.
Select the "LOCK" menu by pressing the
on the display.
Press the button to deactivate the lock-mode function. "LOC OFF"
begins to flash on the display.
Press the button to return to the top menu level. The display
SET
switches back to the standard display and the buttons can now be
operated as usual.
POWER button to prevent accidental
SET button. The current setting
POWER button, "LOCK" appears
SET button. "LOC ON" appears
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