Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-101
• Vertical Deviation: Half-scale up deviation, flag pulled
• Active Waypoint: GARMN
5. On GTN #1 verify that an OBS value is displayed (and not dashed out).
6. Acknowledge the self test on GTN #1 by touching the ‘Continue’ key.
7. Select VLOC on GTN #1 and verify that the SN3308 displays NAV 1 or NAV 2 (depending on
which navigation source the GTN is).
8. Using a VOR test set verify that the CDI deviation on the SN3308 is displayed correctly.
9. Remove power from GTN #1 and apply power to GTN #2. Acknowledge the prompts until the
Instrument Panel Self-Test page is displayed (see Section 5.7.1).
10. Select GPS2 by pressing the NAV key on the SN3308.
11. Repeat steps 4-9 with the second GTN.
12. Perform the same procedure for the second SN3308. Ensure that SN3308 #2 is receiving valid
heading by ensuring the vertical deviation indication is being displayed.
13. Repeat steps 5-12 for SN3308 #2.
5.7.8.5 Sandel SN3500/4500 Interface Check
If a Sandel SN3500/4500 EHSI has been connected to the GTN, the interface should be verified as
described in this section.
1. Cycle power to the GTN and acknowledge the prompts until it gets to the Instrument Panel Self-
Test page (see Section 5.7.1).
2. Ensure that the SN3500/4500 is receiving valid heading.
NOTE
The Vertical Deviation Indication will not be displayed unless the
SN 3500/4500 is receiving valid heading.
3. While the GTN is displaying the Instrument Panel Self-Test page, verify that the SN3500/4500 is
displaying data from the GPS source.
• Course Deviation: Half-scale left deviation, TO indication, flag pulled
• Vertical Deviation: Half-scale up deviation, flag pulled
• Active Waypoint: GARMN
4. On the GTN verify that an OBS value is displayed (and not dashed out).
5. Acknowledge the self test on the GTN by touching the ‘Continue’ key.
6. Select VLOC on the GTN and verify that the SN3500/4500 displays NAV 1 or
NAV 2 (depending on what navigation source the GTN is).
7. Ensure that the NAV1 (or NAV2) indication does not have a red line through it.
8. Repeat steps 3-7 for the second GTN, if installed.
5.7.8.6 Ryan TCAD Traffic System Interface Check
If a Ryan TCAD has been connected to the GTN 6XX/7XX unit, the traffic interface should be verified as
described in this section.
1. Go the Traffic page on the GTN (on the HOME page group).
2. Verify that NO DATA is not displayed in yellow on the center of the traffic page.
3. Using the SHIELD SETUP under the Traffic Menu, verify that the shield mode can be changed.