Eiki LC-X71 Owner's Manual page 42

SETTING
USB
This Projector has a USB port for interactive operation between the
projector and computers. Set the mode by following the steps
below.
Wireless Mouse mode
Select " " when controlling a computer with the remote control of
this projector.
Projector mode:
" " Not used.
Security
Key lock
This function locks operation of the top control and remote
control. It helps to prevent operation by an unauthorized
person.
. . . . unlocked.
. . . . locks operation of the top control.
To unlock, use the remote control.
. . . . locks operation of the remote control.
To unlock, use the top control.
If the top control accidentally becomes locked and you do not
have the remote control nearby, unplug the AC power cord
from the AC outlet, and then hold down the SELECT button
and reinsert the AC power cord. This will cancel the top
control lock.
42
Security
Key lock
Select Key lock and
this box appears.
Choose one of the
alternatives with the
POINT UP/DOWN
buttons and select
[Yes] to activate it.