User Manual

Network Security Control Panel User Manual

2.1.20 LCD Backlight Control

LCD Backlight Time Control

Function: The duration of enabling LCD backlight can be configured via the keypad.

Command:［*］+［5］+［2］+［n］+［n］+［n］+［#］

Demonstration:

E.g., the duration of

enabling LCD backlight is

15 seconds.

LCD Display

Press [*] to enter the

working mode.

*52015

Enter the LCD backlight

configuration mode by

pressing [5] [2].

Pressing the backlight-on

duration: [0] [1] [5].

Note: [0] [1] [5] means 15

seconds.

Press [#] to confirm the

operation.

If the operation is successful,

Operation Succeeded

If the operation is failed,

Operation Failed

 [n][n][n] means the duration in which the backlight is on, and the value 999 means that

the backlight is normally on.

LCD Backlight off

Function: You can disable the LCD backlight via the keypad.

Command: [ * ] + [ 8 ] + [ # ]

2.1.21 Language Switch (Chinese/English)

Function: You can switch the language (Chinese or English) via the keypad.