HSI Operation
6-10 FlightDEK-D180 Pilot’s User Guide
BUG - This is the same menu as EFIS > BUGS > HDG. This menu allows you to adjust and toggle a heading bug that
appears on the DG display as well as the EFIS heading tape.
The heading bug can be adjusted at any time by rotating the HS34’s HEADING knob. If the bug is currently
toggled off, rotating the HEADING knob causes the bug to be displayed on the HSI display. To sync the bug to
e
your current heading, press the HEADING knob briefly. To toggle the heading bug on or off, push and hold the
HEADING knob for more than 1 second.
COURSE (Nav mode, Localizer active) - This is used to set the OBS/course. The SL-30 does not allow you adjust th
OBS when tuned to a localizer so this must be done locally on the instrument.
When you have an HS34 with any NAV instrument, the course knob on t
can adjust the course when in NAV or localizer mode. When using a GPS
he HS34 adjusts the course/OBS. You
such as the 430/530, that allows an
r NAV
ange on the
screen. This is true when you are in most GPS modes.
SCALE (GPS mode) - This is used to cycle through the three GPS scale modes.
external course command to control the instrument, this course adjustment also works. If the GPS o
device is in a mode where it is ignoring course commands, turning the course knob results in no ch
The scale button only exists if the source you are connected to is not providing scale information.
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