User Guide

Garmin G1000 VHF NAV/COM Pilot’s Guide for Mooney M20M & M20R 190-00445-00 Rev. A
4-10
OPERATION – NAV
SWITCHING THE TUNING BOX BETWEEN
NAV RADIOS
Pressing the dual NAV knob toggles the frequency tun-
ing box between the NAV1 and NAV2 sub-windows.
Pushing the dual NAV knob switches the tuning
box from one NAV radio to the other.
Figure 4.3.4 Switching NAV Radios
NOTE: When a different NAV radio is selected on
the HSI via the CDI key, the NAV frequency tuning
box also moves on the PFD and MFD. However,
the NAV frequency tuning box does not move
when GPS mode is selected.
MANUALLY TUNING A NAV FREQUENCY
NAV frequency manual tuning is performed by using
the dual NAV knob.
• The MHz (left) portion of the frequency can be tuned
by turning the large NAV
knob.
• The kHz (right) portion of the frequency can be
tuned by turning the small NAV
knob.
The frequency is tuned in the standby frequency field
of the NAV Frequency window. Turning either knob
clockwise increases the tuned frequency. Conversely,
turning either knob counterclockwise decreases the tuned
frequency.
TOGGLING NAV FREQUENCIES
Pressing the NAV Frequency Toggle key toggles the
NAV frequencies between the active and standby fields of
the NAV radio on which the Frequency Toggle Arrow
is located.
Figure 4.3.5 Toggling NAV Frequencies
Pressing the NAV Frequency Toggle
key toggles the NAV frequencies.