Garmin GPS 400W Installation Manual page 115

5.5.6.2.1 One 400W Series Unit / One SN3308
1. Cycle power to the 400W Series unit and acknowledge the prompts until it gets to the self test
page (see Section 5.5.1).
2. Ensure that the SN3308 is receiving valid heading.
The Vertical Deviation Indication will not be displayed unless the SN3308 is receiving
valid heading.
3. While the 400W Series unit is displaying the self test page, verify that the SN3308 is displaying
the following 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 400W Series unit verify that an OBS value is displayed (and not dashed out).
5. Acknowledge the self test on the 400W Series unit by pressing the ENT key.
6. Select VLOC on the 400W Series unit and verify that the SN3308 displays NAV 1 or
NAV 2 (depending on what navigation source the 400W is).
7. Using a VOR test set verify that the CDI deviation on the SN3308 is displayed correctly.
GNS 400W Series Installation Manual
190-00356-08
NOTE
Page 5-37
Rev. G