Sandel
Avionics
SN3308 Navigation Display
Installation Manual
90106-IM-G(4) Installation Manual W SIG.doc
Appendix-E Page 8
Allow the receiver to acquire a valid position fix, and press NAV on the SN3308 to
select that receiver as a nav source. Enter either a single destination waypoint or a
flight plan on the GPS receiver and select normal (LEG) navigation mode. Verify that
the course pointer automatically rotates to the desired track, and that groundspeed
and waypoint ID are displayed on the SN3308.
Completed _______ Comment __________________________________
Press SHFT>BRG and assign either bearing pointer to the selected GPS receiver.
Verify that the bearing pointer corresponds to the bearing-to-waypoint, and that the
distance displayed matches the display on the actual receiver.
Completed _______ Comment __________________________________
If the GPS is equipped with an OBS mode (Bendix/King) or a HOLD mode which
enables course resolver input (Garmin), select the OBS or HOLD mode and verify
that rotating the course select knob turns the course pointer. Verify that the needle
centers on the correct bearing to waypoint.
Completed _______ Comment __________________________________
Enter the “CDI and Annunciator Test” mode of the GPS if available. Verify proper
response of the GPS annunciators, if configured to display on the SN3308. If external
mode selection is enabled on the SN3308, verify that the GPS pushbutton softkeys
accessed in SHFT>NAV control the proper GPS functions.
Completed _______ Comment __________________________________
11.1.12
Marker Beacon Interface
If a marker beacon receiver is interfaced to the SN3308:
With a marker beacon test set, generate outer, middle, and inner marker signals
respectively. Verify that the appropriate annunciation appears on the SN3308.
Completed _______ Comment __________________________________
Press “TEST” mode on the marker beacon receiver, and verify that the “MT” symbol
appears on the SN3308.
Completed _______ Comment __________________________________
