Avidyne IFD540 Instalační manuál stáhnout pdf (Strana 15)

System Overview 1-9

BRIGHTNESS CONTROLS

Each IFD has brightness controls to control both the bezel and

the display brightness. The user can access individual controls to

allow for either manual control of brightness, automatic control of

brightness in response to the cockpit dimming controls/rheostats

or automatic control of brightness in response to the ambient light

sensor that is embedded in the bezel. The user accessible

controls for all are on the AUX page using the User Options LSK

of the Setup tab.

Brightness Controls

Depending on how the installer configured the brightness controls

at time of installation, the “Auto” setting will typically revert to the

dimming bus setting in low ambient light conditions.

If the IFD540 appears “inoperative” or non-responsive from a

lighting perspective, check the aircraft instrument lighting rheostat

to ensure it is not set to a night position.

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Avidyne IFD540 Instalační manuál Strana 15