Acer DV650C Service Manual page 16

3.4.3 Keypad Description
KEYPAD
Lock Functon
Consolidated Standard
Button lock
Menu lock
Power lock
IR Lock
RS232
FACTORY MODE
ENGINEER MODE
Hot key
L & R for 5s
U & D for 5s
Menu & R for 5s
Menu & L for 5s
U & R
L & PWD (under POWER off mode,
for 5s)
R & PWD (under POWER off mode,
for 5s)
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