Setting the Brightness of the Backlighting

Backlighting is provided by a fluorescent light built into the liquid crystal panel. The illumination control adjusts the brightness of the backlighting based on the car ambient lighting for easier viewing.

Setting item: DIMMER

Setting contents: OFF / ON / AUTO

OFF: Deactivate Auto Dimmer mode to keep the background illumination of the monitor bright.

ON: Keep the background illumination of the monitor dark.

AUTO: Adjust the brightness of the background illumination of the monitor automatically to the brightness of the car interior.

When ON or AUTO is set, the setting is also applied for the button lighting in “Adjusting the Dimmer of Button Lighting at Night” (page 34).

Adjusting the Minimum Level of Backlight

You can adjust the brightness of the backlight (LOW). This function could be used, for instance, to change the screen brightness while travelling at night.

Setting item: DIMMER LOW LEVEL

Setting content: –15 to +15

You can adjust the level between MIN (-15) and MAX (+15). When it reaches the minimum or maximum point, the display shows “MIN” or “MAX” respectively.

Switching Background Textures

You have a choice of background textures you can set.

Setting item: BACKGROUND

Setting contents: MODE1 / MODE2 / MODE3 *

*MODE3 is the black screen background supplied on this unit and can’t be replaced by “Downloading the BACKGROUND data”

This operation can be carried out after removing the disc from the unit or when playback of the disc has stopped.

Wallpapers downloaded from “Downloading the BACKGROUND data” (page 39) are recalled.

When you select a source other than the built-in disc on this unit, and the built-in disc is selected on the rear monitor connected to the unit, background textures cannot be displayed on the unit.

When an error message is displayed (ERROR, etc.), background textures selected by this setting cannot be displayed on the unit.

Setting Automatic Background Textures

The background texture will automatically change each time the ignition key is turned off and turned back on again.

Setting item: AUTO BACKGROUND

Setting contents: OFF / ON

OFF: Turn off the Auto Background Texture Scroll mode.

ON: Turn on the Auto Background Texture Scroll mode.

The background textures will scroll when the ignition key is turned off once and turned back on again as follows: MODE1 MODE2 MODE3 MODE1

Wallpapers downloaded from “Downloading the BACKGROUND data” (page 39) are recalled.

Switching the Font Back Display Colour

You can choose from 4 different display colours for the font back (source title, shortcut display, etc.).

Setting item: BASE COLOR

Setting contents: BLUE / RED / GREEN / AMBER

Adjusting the Touch Panel

Adjustment becomes necessary when the display position on the LCD and the touch position on the touch panel do not match.

Setting item: SCREEN ALIGNMENT

Setting contents: / RESET

1Touch [ ] of SCREEN ALIGNMENT. The adjustment screen appears.

2Accurately touch the mark provided in the lower left corner of the screen.

The screen changes to the adjustment screen.

3Accurately touch the mark provided in the upper right corner of the screen.

This completes adjustment, and returns to the DISPLAY setup mode screen.

If you have touched a location other than the mark, touch [RESET] to restore the adjustment screen to the initial setting.

If you touch [] on the adjustment screen, no adjustment is done and the DISPLAY setup screen is restored.

33-EN

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Image 34
Alpine IVA-W502E owner manual Setting the Brightness of the Backlighting, Adjusting the Minimum Level of Backlight