Peavey PRO COMM U1002 Operating Manual page 23

Selecting/Changing LOCK/UNLOCK:
Press and hold the "MENU" button until the word "LOCK" appears
momentarily on the panel. At that point only the "CCS" button is active. This
prevents inadvertent or unintentional changes to the settings.
Press and hold the "MENU" button until the word "UNLOCK" appears on
the panel. At that point all functions are addressable and changes can be
made.
Status Indicators
(a) RF Meter: The meter to the left of the display indicates the strength of the RF
signal.
(b) AF Meter: The meter to the right (next to RF meter) indicates the strength of
the audio signal.
(c) ANT AJB: Indicates which antenna is operational at that moment. This will
switch between the two, selecting the antenna with the greater strength for
a more reliable reception.
(d) BAT: Battery strength indicator allows you to monitor the strength of the
Battery.
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