Garmin GTN 750 Panduan Pengguna - Halaman 17

Jelajahi secara online atau unduh pdf Panduan Pengguna untuk Sistem Navigasi Mobil Garmin GTN 750. Garmin GTN 750 22 halaman. Gps/sbas navigation system as installed in cessna 172r
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The Obstacle Database contains only KNOWN obstacles and does not contain

ALL existing obstacles. The Obstacle Database does not contain the location of

power line poles or wires.

HTAWS aurals may be selected to be in Male or Female voice. Selecting the

voice gender is accomplished using Audio button under the Systems page.

HTAWS also includes pilot selectable Voice Callouts (VCOs) of helicopter

height above terrain from 500 feet AGL to the surface.

If HTAWS is not installed, then the GTN will provide Terrain Proximity

functions which only provide visual depictions of terrain and obstacles on the

map page but provides no alerting or VCOs.

TERRAIN AND OBSTACLE DEPICTION

Terrain and obstacle elevations relative to aircraft altitude are depicted on the

Terrain page and may also be selected by the pilot for display on the Map page.

HTAWS NORMAL MODE

The GTN will power on with HTAWS in Normal Mode. Normal Mode

provides for separation from terrain and obstacles appropriate for enroute, night,

and operations where the pilot is not in visual contact with terrain.

HTAWS REDUCED PROTECTION MODE

The "RP MODE" menu selection on the terrain page is used to activate the

Reduced Protection (RP) functionality. RP Mode reduces alerting thresholds

and suppresses aural and visual cautions to allow operation in closer proximity

to terrain and obstacles while continuing to provide protection from terrain and

obstacles. An optional "RP MODE" external switch installation on the

instrument panel is allowed to toggle Reduced Protection mode in the same

manner as using the Terrain Menu selection.

HTAWS INHIBIT

The "INHIBIT" menu on the terrain page is used to inhibit visual and aural

HTAWS terrain and obstacle alerts. VCOs will still be provided. HTAWS shall

only be inhibited if the pilot is certain of the ability to maintain separation from

terrain and obstacles.

HTAWS TEST

The "HTAWS TEST" menu selection on the Terrain Page is used to activate a

manual test which verifies proper operation of the aural and visual annunciations

of the system. The aural message "HTAWS System Test, OK" is played if the

system passes the test, if the system fails the test "HTAWS System Failure" is

played. HTAWS test is only available while on the ground.

VOICE CALL OUTS

Voice callouts (VCOs) provide voice annunciation of the aircraft height above

terrain when that altitude is descended through. VCOs may be enabled by the

pilot in 100ft increments from 500 feet above ground level to the surface. If a

RFMS, Bell 407 GTN GPS/SBAS System

190-01007-J4 Rev. 1

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