NEC DLP Cinema NP- NC2403ML, Руководство пользователя

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3. Projection of Images (Basic Operation)
3-5. Preventing misoperations
Buttons on the control panel can be locked (KEY LOCK) to prevent misoperations. Buttons on the control panel do not function
while KEY LOCK is on. KEY LOCK must be off to operate these buttons.
NOTE • KEY LOCK is automatically turned on in the following cases.
- When the projector has entered the standby state by turning on the main power switch of the projector while the
AC power is supplied.
- When the projector has entered the standby state after turning off the power using the POWER button.
• The timing where KEY LOCK is turned on while the projector is in standby state depends on the “Auto Key Lock”
setting in the adjustment menu.
- When Auto Key Lock is enabled, KEY LOCK becomes automatically on if no control panel operation takes place
in the standby state for 30 seconds. KEY LOCK becomes automatically on again even after KEY LOCK is turned
off if no control panel operation takes place for 30 seconds.
- When Auto Key Lock is disabled, KEY LOCK becomes automatically on when the projector enters the standby
state; however, it stays off after KEY LOCK is turned off.
3-5-1. KEY LOCK setting
• Press the KEY LOCK button on the control panel for one second or longer.
KEY LOCK becomes on. The KEY LOCK button indicator lights orange. When you press a button on the control panel of
the projector while KEY LOCK is on, “Panel is Locked. (KEY LOCK)” is displayed, and the button will not function. (See
page
46 )
3-5-2. Turning KEY LOCK off
• Press the KEY LOCK button for one second or longer while KEY LOCK is on.
KEY LOCK becomes off. The KEY LOCK button indicator turns off.