User's Manual

Basic Operations

Backlight

This option allows users to control the backlight using the menu. Activating the backlight

can illuminate the LCD display, so as to facilitate your operation.

You may set the backlight to operate in any of the following modes:

 Timed: Any key press operation can activate the backlight. If no foregoing event

occurs with the specified time period, the backlight will go out automatically.

 Never: The backlight remains activated all the time.

Note: When an alarm event occurs, the backlight will remain activated until the

alarm disappears.

Follow the procedures below to set the backlight.

Procedure:

1. In the home screen, press the SET key to enter the main menu.

2. Use the / key to select the “Repeater Settings” option.

3. Press the SET key to enter the Repeater Settings menu.

4. Use the / key to select the “Display” option.

5. Press the SET key to enter the Display menu.

6. Use the / key to select the “Backlight” option.

7. Press the SET key to enter the Backlight menu.

8. Use the / key to select a desired time or Never.

9. Press the SET key to save the settings in the system.

To exit this menu, press the EXIT key.