QSC Audio HPR151W User Manual

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TO LOCK THE FRONT PANEL BUTTONS (Browse and Accept pushbuttons)-
   1- 
Press the Accept button and hold it down for at least three seconds.
   2- 
The “lock” indicator will illuminate.
   3- 
The Browse button is disabled.
FRONT  PANEL DISPLAY-
Example shows Preset 7 in
“unlocked” and “locked” state.
LOCKED
UNLOCKED
LOCK INDICATOR
illuminated when
locked
TO UNLOCK FRONT PANEL BUTTONS-
   1- 
Press and hold the Accept button for at least three seconds.
   2- 
The Lock indicator will extinguish.
   3-
 The Browse button is enabled.
Press the Accept button and hold
for three seconds to lock/unlock the
preset selection.
Use: 
LOCK OUT Feature
Note: When the PC is communicating with the DSP-30, the LOCK INDICATOR will occasionally illuminate.
This is normal and prevents  commands from both the front panel and PC from interfering with one another.