Sennheiser 2015 - Manual (Page 25)

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Activating/deactivating the lock mode
The transmitter has a lock mode that prevents accidental programming or
switching the power off during operation. However, you can still mute the
microphone.
̈ Press the SET button ᕧ .
̈ Press the ̄ button (DOWN) ᕨ . “LOCK” appears on the display. The lock
mode is activated and the lock mode icon ብ appears on the standard
display.
̈ To deactivate the lock mode, press the SET button ᕧ again and keep it
pressed.
̈
Press the
̄
button (DOWN) ᕨ . “UNLOCK” appears on the display. The
lock mode is deactivated and the lock mode icon ብ disappears from the
standard display.
Displaying the frequency
You can display the frequency stored in the selected channel. If you operate
your system on one of the channels with a freely selectable frequency
(channel bank “U”), this feature is very important as it allows you to check
if transmitter and receiver are set to the same frequency.
̈
Press the SET button ᕧ and keep it pressed.
̈ Press the ̆ button (UP) ᕨ . The current frequency is displayed.
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