1. DL manuals
  2. Garmin
  3. Software
  4. GNC 420
  5. Pilot's Manual Addendum

Garmin GNC 420 Pilot's Manual Addendum

Manual is about: Garmin Pilot's Guide and Reference

Summary of GNC 420

  • Page 1

    400/500 series gts 8xx interface pilot’s guide addendum.

  • Page 3

    Copyright © 2010 garmin ltd. Or its subsidiaries. All rights reserved. This manual reflects the operation of software version 5.03 or later for 4xx series products and 6.03 for 5xx series products. Some differences in operation may be observed when comparing the information in this manual to earlier...

  • Page 4

    Warning: the altitude calculated by 4xx/5xx gps receivers is geometric height above mean sea level and could vary significantly from the altitude displayed by pressure altimeters in aircraft. Gps altitude should never be used for vertical navigation. Always use pressure altitude displayed by pressur...

  • Page 5

    Note: unless otherwise specified within this manual, the term ‘4xx/5xx’ applies to all the following models: gps 400, gnc 420(a), gns 430(a), gps 500, gns 530(a). Note: references to the gts 8xx throughout this document refer equally to the gts 800, gts 820, and gts 850 unless otherwise noted. Note:...

  • Page 6: Gts 8Xx Interface Overview

    Gts 8xx interface overview ..........................................................................................1 1.0 system description .................................................................................................1 1.1 tcas i surveillance volume ...............................

  • Page 7: 1.0  System Description

    Gts 8xx interface overview all information in this addendum pertains to the display and control of the garmin 4xx/5xx series units using a gts 8xx interface. This addendum does not replace or supercede the 4xx/5xx pilot’s guides. Refer to the 400/500 series display interfaces pilot’s guide addendum ...

  • Page 8: 1.2  Traffic Symbology

    1.2 traffic symbology traffic information from the gts 8xx is displayed on the 4xx/5xx unit using tas/ tcas symbology (table 1) on a dedicated traffic page, and on the moving map page. The displayed traffic information generally includes the relative range, bearing, and altitude of intruder aircraft...

  • Page 9: Sensitivity

    Equipped) indicates own altitude is less than 2000 feet agl. If no radar altimeter is present, sensitivity level a is active when the landing gear is extended. Level a is also active when groundspeed is less than 120 knots with no radar altimeter present in a fixed gear aircraft. In all other condit...

  • Page 10: 1.4  Aural Alerts

    1.4 aural alerts a ta consists of a displayed traffic symbol (solid yellow circle) and an aural alert. The aural alert announces “traffic”, followed by the intruder aircraft’s position, altitude relative to own aircraft (“high”, “low”, or “same altitude”), and distance from own aircraft; e.G. “traff...

  • Page 11: 1.6  User-Initiated Test

    Figure 2 standby mode 1.6 user-initiated test in addition to the power-up test, the gts 8xx performs self-tests during normal operation. A self-test is performed once per minute to verify that the antenna is connected. Also, a calibration is performed at varying intervals based on time and temperatu...

  • Page 12: Gts 8Xx Interface

    1.7 switching between standby and operating modes the unit must be in operating mode for traffic to be displayed. The ability to switch out of standby into operating mode on the ground is especially useful for scanning the airspace around the airport before takeoff. Operating mode is confirmed by th...

  • Page 13: 1.8  Traffic Page

    1.8 traffic page traffic can be displayed both on the map page (only if heading is available) and on the traffic page (figure 4). The orientation source shown at the top of the display first uses heading (‘hdg’), then gps track (‘trk’) if no heading is available, to orient the display. If the gts 8x...

  • Page 14: Gts 8Xx Interface

    1.10 altitude display mode the gts 8xx has four altitude display modes (figure 5). • normal (±2,700 ft) • above (-2,700 ft to +9,000 ft) • below (-9,000 ft to +2,700 ft) • unrestricted (±9,900 ft) the gts 8xx continues to display up to 30 intruder aircraft within its maximum surveillance range, rega...

  • Page 15: Gts 8Xx Interface

    Note: confirmation is not required, the mode is changed immediately when using the small right knob. Figure 6 unrestricted (unr) mode selected altitude display mode 3) press the small right knob to turn the cursor off after the selection is made. 400/500 pilot’s guide addendum for gts 8xx interface ...

  • Page 16: Gts 8Xx Interface

    1.11 traffic warning window when the unit is not on the traffic page and the gts issues a traffic advisory, the traffic warning window (figure 7) is displayed, which shows a small thumbnail map. When the traffic warning window is displayed, press the ent key to display the traffic page, or press the...

  • Page 17: Gts 8Xx Interface

    1.13 configuring traffic data on the map page traffic is only displayed on the map page if aircraft heading data is available. The traffic mode setting allows the operator to choose which traffic type is displayed (all traffic, traffic and proximity advisories, or traffic advisories only). The traff...

  • Page 18: Gts 8Xx Interface

    1.14 thumbnail traffic on map page traffic in a thumbnail format can be displayed in any of the three data fields on the right side of the map page (figure 10). Displaying thumbnail traffic on the map page 1) turn the small right knob to select the map page. 2) press the menu key to display the page...

  • Page 19: Gts 8Xx Interface

    1.15 highlighting traffic data using map panning another map page function is panning, which allows changing the map beyond its current limits without adjusting the map scale. Select the panning function by pressing the small right knob, a target pointer flashes on the map display (figure 11). Also ...

  • Page 22

    190-00140-78 rev. A © 2010 garmin ltd. Or its subsidiaries garmin (europe) ltd. Liberty house, bulls copse road hounsdown business park southampton, so40 9rb, u.K. P: +44/ (0) 870.8501241 f: +44/ (0) 870.8501251 garmin corporation no. 68, jangshu 2nd road shijr, taipei county, taiwan p: 886/2.2642.9...