N457GH
Rev 4 12/29/19
22
SYSTEMS INFORMATION
HDX database updates
Download current data using Seattle Avionics Chart Data Manager (PC only). Download
aviation obstacle data from Dynon:
http://www.dynonavionics.com/us-aviation-obstacle-
data.php
. Plug USB drive with current data into cable hanging from HDX under panel,
then update software in HDX Settings.
12V switch powers USB and 12V charging outlets, magnetic compass light.
D-2 turns on when Master switch is turned on; it will power off automatically if it is not
set to attitude display showing.
Primer switch is momentary-on type; release and primer valve closes. Priming for 2-3
seconds should be sufficient for a cold start.
Landing light wig-wag
Landing lights must be on. Wig-wag will automatically activate at 85 kias (VP-X
setting).
Flap operation
Flap switch will lower flaps to approximately 10, 20, and 30 degrees; depress switch once
to lower to next setting. Pressing switch up commands flaps to retract full up; if retraction
to less-than-full up is desired, momentarily press switch down at desired position. Flaps
may be lowered to approximately 40 degrees using VP-X screen.
Elevator trim
Elevator trim motor operation is limited to 5 seconds. Release and press hat switch again
to continue trimming.
