Cornerstone Peripherals Technology P1500 - Manual (Page 17)

16
OPERATION (Continued)
Lock out Function
There are two special LOCK OUT Functions:
1. Lock Out Function 1 :
Disables all of the user control buttons
except "Brightness/Contrast adjust”
and “Input Select button”
(1) Power Unit Off
(2) Depress two buttons
(3) Turn Power On.
2. Lock Out Function 2 :
Enable all buttons : Turns on all On
Screen Display functions
(1) Power Unit Off
(2) Depress two buttons
(3) Turn Power On.