Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-39
5.5.2.4 Digital Radar (GTN 7XX Only)
This section describes how to enable the Digital Radar
feature, which allows approved ARINC 708 Weather Radars
to be interfaced with the GTN 7XX.
NOTE
The Digital Radar Enablement Card can
only be used on one GTN (for dual GTN
installations a separate Digital Radar
Enablement Card must be used on each
GTN).
1. Turn the GTN off by pulling the circuit breaker.
2. Remove the database SD card from the SD card slot
and insert a Digital Radar Enablement Card,
(P/N 010-00878-42).
3. Enter configuration mode on the GTN by applying
power to the GTN (closing the circuit breaker) while
holding the HOME key.
4. Go to the Weather Radar page from the GTN Options page. Touch the Digital Radar key, as
shown in Figure 5-24.
5. When prompted, touch Yes to enable ARINC 708 Weather Radars. When the feature is activated,
the Digital Radar key will be lit green.
5.5.2.5 GWX 70 Advanced Features (GTN 7XX Only)
The GTN 7XX can enable two Doppler radar features for the GWX 70 (12 inch and 18 inch antenna sizes
only); Ground Clutter Suppression and Turbulence Detection. Each advanced feature requires a separate
Enablement Card. This section describes how to enable these features.
NOTE
The Enablement Card can only be used on one GTN (for dual GTN installations a
separate Enablement Card must be used on each GTN).
1. Turn the GTN off by pulling the circuit breaker.
3. Remove the database SD card from the SD card slot and insert a Radar AGCS Enablement Card,
(P/N 010-00878-44), or Radar Turbulence Detection Enablement Card, (P/N 010-00878-45).
4. Enter configuration mode on the GTN by applying power to the GTN (closing the circuit breaker)
while holding the HOME key.
5. Go to the Weather Radar page from the GTN Options page. Turbulence Detection or Ground
Clutter Suppression key, as shown in Figure 5-24.
6. When prompted, touch Yes to enable the selected GWX 70 advanced feature. When the feature is
activated, the selected GWX 70 advanced feature key will be lit green.
Figure 5-24. Weather Radar
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