Dynon Avionics EFIS-D10 Users Guide - Manual (Page 21)

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and used on all subsequent flights. Keep in mind that you must change it back if you intend for the setting to be only
temporary due to an unusual weight load, for example.
Change displayed units
In the UNITS submenu, you will see two toggles for
Airspeed and Altitude units. The current release of EFIS-
D10 software supports airspeed units of Knots and
Miles/Hour and altitude units of only feet. Future versions
will support more options than these. To change airspeed units between knots and mph simply press either button 2 or
button 3, which corresponds to the AIRSPD: label. As mentioned, the only option for altitude units is Feet, thus you are
not able to toggle this value.
Set the clock
From the SETUP submenu, press the CLOCK button. This
will display the clock-setting submenu. In the value-setting
box, you will see a section for the local time and a section
for Zulu time. Because local time is usually an offset in
hours from Zulu time, when you set the minutes for local
time, you will see the minutes for Zulu time change.
However, you need to set the hours for local and Zulu times
independently. Once you have set Zulu time, you should
never need to change it, as it is independent of daylight
saving time. To change the local clock for moving through
time zones or to enter daylight saving time, simply change