Denso BHT-202Q Manual de usuario descargar pdf (Pagina 22)

6.1. Backlight Control

The backlight can be controlled using the following methods.

• Control by pressing the backlight function control key

• Control using the backlight control property

Press the backlight function control key (Default: [M3] key with [SF] key held down) to switch the backlight

function between enabled/disabled.

With the backlight function enabled, press any key or tap the touch panel to turn the backlight ON.

If a key is not pressed or the touch panel is not tapped within the backlight illumination duration, the backlight

function remains enabled, however the backlight itself will turn OFF or dim.

The backlight illumination status can be controlled by entering a value at the Backlight.Status property, regardless

of the status. Furthermore, the illumination status can be acquired by reading the property value.

(*1) If key-press has not been set for the key backlight illumination factor, the key backlight will not

illuminate even if keys are pressed. If, however, keys are already illuminated prior to being pressed,

the key backlight will not turn OFF when buttons are pressed.

(*2) If screen-tap has not been set for the key backlight illumination factor, the key backlight will not

illuminate even if the screen is tapped. If, however, keys are already illuminated prior to tapping the

screen, the key backlight will not turn OFF when the screen is tapped.

(*3) Only the device set for the illumination device illuminates.

Disabled

Enabled, OFF/DIM

[Default Status]

Enabled

Press key other than backlight

function control key (*1) or tap

touch panel (*2),

Status = ENABLE_ON (*3)

Illumination duration elapses

since key last pressed or touch

panel tapped,

Status = ENABLE_OFF

Press backlight function control key,

Status = DISABLE_OFF

Status = ENABLE_OFF

Press backlight function control key,

Status = DISABLE_OFF

Press backlight function control key,

Status = ENABLE_ON (*3)

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Denso BHT-202Q Manual de usuario Pagina 22