Dynon Avionics EFIS-D10 Users Guide - Manual (Page 18)

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BUGS – Setting Bug Markers
You have the ability to set a “bug” on any or all of the
three tapes. The setting and toggling of heading, airspeed,
and altitude markers works essentially the same; however,
a description is provided for setting each bug. As can be
seen by the diagram, pressing the BUGS button displays
the BUGS submenu. From there, you may choose HDING,
AIRSPD, or ALTTUD.
Heading
To set a marker (bug) at a target heading press BUGS while in Main Menu 1. This will bring you to the BUGS submenu,
as seen above. Choosing the HDING option will bring you to the HDING submenu.
Pressing the TOGGLE button will toggle the currently set heading bug display on the horizontal heading bar. A white
arrow located on the heading tape at the target heading represents the bug. Upon entry into the Heading Bug menu the
Set Value dialog box is displayed in the lower center of the display. Press SEL to select which digit to change and
buttons 4 (DEC) and 5 (INC) to decrease and increase each digit’s value respectively.
As you increment or decrement the heading bug value it will rollover at 360 degrees, returning the value to 0. If you have
the bug toggled on, you will see the arrow move left or right across the heading bar as you decrement or increment its
value.
Airspeed
To set a marker (bug) at a target airspeed, press BUGS
(button 3) while in Main Menu 1. This will bring you to the