IFD400 Series Pilot Guide
System Overview 1-19
NOTE
Stations such as ATIS, ASOS, and AWOS are
expected to be transmitting continuously, causing an
"RX" indication to be displayed continuously.
However, if the "RX" is displayed when the tuned
station is not expected to be continuously
transmitting and background noise is continuously
audible over the aircraft audio system, press the
upper left knob to enable squelch.
COOL FEATURE
Monitor Standby Com
The IFD will send the standby communications
frequency audio to the audio panel for monitoring.
This permits the pilot to monitor a second
communications channel (e.g. ATIS) while still
connected to the active communications channel.
Not all audio panels can support this capability.
However, the Avidyne AMX240 and several other
third party panels do offer this feature.
Switching Tuning Controls
The lower left knob is used to switch between display and control
of communications radios, navigation radios, and a remote
transponder (if equipped). To switch between controls, push the
lower left knob. Subsequent tuning operations will be performed
on the displayed transceivers. Following 20 seconds of inactivity,
the system will revert to control and display of communications
radios.
Summary of Contents for IFD410 FMS/GPS
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