NEC 4001-20B User Manual - Page 100

Background, Security, Control Panel Lock, button on

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5. Using On-Screen Display Background Background enables you to display a blue/black screen when there is no signal. The default background is blue. Select from the following: ƒ Blue ƒ Black ƒ Logo Security See t Preventing the Unauthorized Use of the Projector on page 57. Control Panel Lock Turn On/Off the Key Lock function for cabinet buttons. Note: y This Control Panel Lock does not affect the remote control functions. y When the control panel is locked, pressing and holding the Exit button on the projector cabinet for about 10 seconds. The setting will change to Off. 88

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5. Using On-Screen Display
88
Background
Background enables you to display a blue/black screen when there is no signal. The de-
fault background is blue.
Select from the following:
Blue
Black
Logo
Security
See
Preventing the Unauthorized Use of the Projector on page
57
.
Control Panel Lock
Turn On/Off the Key Lock function for cabinet buttons.
Note:
This Control Panel Lock does not affect the remote control functions.
When the control panel is locked, pressing and holding the
Exit
button on the
projector cabinet for about 10 seconds. The setting will change to Off.