47
Basic Operation
User
The Com radio will store up to 25 User-saved frequencies. The Com and Nav User lists are separate sets of 25.
1. Press the
User
key to bring up a list of User frequencies.
2. Turn the
Large
knob to highlight a frequency.
3. Press the
<SBY
or
<A>
keys to insert the frequency.
4. Press the
Menu/Enter
key if no choice is desired.
Emergency
Press the
Emrgncy
menu item key to insert the Emergency frequency (121.500) as the Standby frequency.
Flip/Flop
Press the
<–>
(flip/flop) function smart key to swap the Active and Standby frequencies.
Signal
The Signal function allows you to view RF Level and Noise Level values. These values are useful for trouble-
shooting installations as a measure of signal quality. You won’t normally need to use these values.
1. Press
Menu/Enter
and then the
Signal
key. The Signal menu label will be highlighted.
2. Press the
Signal
key again to turn the value display off.
Weather
The GNS 480 holds a list of Weather frequencies that can be placed in the Active or Standby position for lis-
tening. You may not transmit on a Weather frequency. Weather frequencies are not available in some locations.
Weather frequencies cannot be tuned, they must be selected through the
Weather
key.
1. Press
Menu/Enter
and then the
Weather
key to bring up the list of Weather frequencies. The Weather
menu label will be highlighted.
2. Turn the
Large
knob to highlight a frequency.
3. Press
<SBY
to insert the highlighted frequency as the Standby frequency or
<A>
to insert it as the
Active frequency.
4. Press the
Weather
key again to turn the value display off.
Com Mode Weather Frequencies
User Frequency List
Com Signal Levels
Com Radio
Summary of Contents for GNS 480
Page 1: ...DRAFT GNS 480TM color GPS WAAS NAV COM pilot s guide ...
Page 16: ...8 Getting Started ...
Page 17: ...9 Getting Started ...
Page 18: ...10 Getting Started ...
Page 24: ...16 Getting Started Nav Terms Diagram Flight Plan Terms Diagram ...
Page 158: ...150 Index ...
Page 159: ......