Garmin GTN 725 Посібник користувача - Сторінка 15

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SYSTEM DESCRIPTIONS

The Garmin GTN 6XX or GTN 7XX Pilot's Guide, part number and revision

listed below, contain additional information regarding GTN system description,

control and function. The Pilot's Guides do not need to be immediately available

to the flight crew.

 GTN 6XX Pilot's Guide

 GTN 7XX Pilot's Guide

 Power to the GTN is provided through a circuit breaker labeled GPS or

NAV/GPS. If more than one GPS or NAV is installed then the label will

have a 1 or 2 to designate the unit receiving power.

 Power to the optional GTN COM is provided through a circuit breaker

labeled COM. If more than one COM is installed then the label will also

have a number to designate the unit receiving power.

 Power to the optional GMA 35 is provided through a circuit breaker labeled

AUDIO.

Control of the GTN backlight and bezel may be provided by either the built in

photocell or via the aircraft instrument dimmer switch. For this installation

dimming of the GTN is controlled by:

 The GTN photocell.

 The aircraft instrument dimmer switch.

If installed, the external HTAWS status annunciator is dimmed via a dedicated

HTAWS bright/dim switch. The HTAWS WARN/CAUTION annunciator can

be operated at two fixed brightness levels as controlled by the aircraft

BRIGHT/DIM switch.

The GTN 725 and 750 can interface to a GMA 35 remotely mounted audio

panel and marker beacon receiver. Controls for listening to various radios,

clearance playback control, and marker beacon are accessed by pressing the

"Audio Panel" button on the GTN display screen. Volume controls for the audio

panel, telephone, and music are accessed by pressing the "Intercom" button on

the GTN display screen.

If an optional GSR 56 is installed, when an incoming phone call is received it is

necessary to turn on the telephone audio to desired recipients. Press the

"Intercom" button on the GTN display screen, press the "Telephone" button,

and then press the buttons for those who will participate in the call. Telephone

volume can be adjusted using the controls on this page. Upon completion of the

call, turn off the telephone audio by pressing the "Intercom" button on the GTN

RFMS, Bell 407 GTN GPS/SBAS System

P/N 190-01004-03 Rev F or later

P/N 190-01007-03 Rev F or later

190-01007-J4 Rev. 1

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