Garmin GNC 420(A) Pilot's Manual & Reference page 164

SECTION 9
AUX PAGES
4) For a count down timer, turn the large right
knob to highlight the time field. Use the small
and large right knobs to enter the count down
time—in hours, minutes, and seconds. Press
the ENT Key when finished.
5) To stop the generic timer, turn the large right
knob to highlight 'Stop?' and press the ENT
Key.
6) To reset the generic timer, turn the large right
knob to highlight the time field. Press the CLR
Key, followed by the ENT Key.
Recording or resetting the departure time:
1) Select 'Flight Timers' from the Utility Page,
using the steps described at the beginning of
this section (9.3).
Turn the large right knob to highlight the reset
2)
mode field, under 'Departure Time'. The reset
mode field indicates 'Pwr-on' or 'GS>30kt'.
3) Turn the small right knob to select the desired
reset mode (Figure 9-38). 'Pwr-on' records a
departure time when the GNC 420 is turned
on. 'GS>30kt' records a departure time once
the GPS-computed ground speed exceeds 30
knots.
Figure 9-38 Reset Mode Window
9-16
4)
5)
Viewing, using, or resetting total trip time:
1)
2)
3)
4)
5)
GNC 420(A) Pilot's Guide and Reference
Press the ENT Key when finished.
To reset the departure time, turn the large right
knob to highlight 'Reset?' and press the ENT
Key.
Select 'Flight Timers' from the Utility Page,
using the steps described at the beginning of
this section.
Turn the large right knob to highlight the reset
mode field, under 'Total Trip Time'. The reset
mode field indicates 'Pwr-on' or 'GS>30kt'.
Turn the small right knob to select the desired
reset mode. 'Pwr-on' records trip time, in
hours/minutes/seconds, any time the GNC 420
is turned on. 'GS>30kt' records trip time any
time the GPS-computed ground speed exceeds
30 knots.
Press the ENT Key when finished.
To reset the total trip time, turn the large right
knob to highlight 'Reset?' (Figure 9-39) and
press the ENT Key.
Figure 9-39 'Reset?' Highlighted
190-00140-20 Rev. K