VHF C
OMM
The GPSMAP 496 can also output frequency data to a Garmin aviation
radio. Currently the two models supported are the SL30 nav/comm and
the SL40 comm. Refer to
page 159
CAUTION:
This interface does not have an FAA installation
airworthiness approval. If any abnormalities with SL 30/40
tuning or operation are encountered, disconnect the GPSMAP
496 from the SL 30/40 tuning interface.
To configure the VHF comm output:
1. Press
MENU
twice. The Main Menu appears.
2. Highlight the
Setup
tab.
3. Use the
ROCKER
to select the
Interface
sub tab.
4. Highlight the
Serial Data Format
field and use the
ROCKER
to select
TIS In/NMEA & VHF Out
or
Aviation In/NMEA &
VHF out
. These comm modes send both NMEA data and
VHF frequency information..
The following features are now available on the radio:
• Remote frequency lists for departure, enroute, and arrival airports
• Nearest VOR frequencies (SL30 only)
NOTE:
See your SL30/40 User’s Guide regarding information
on accessing remote frequency lists.
You can also use the GPSMAP 496 to directly tune a standby
frequency in the radio by using the Comm tab when reviewing an
airport.
To select a standby comm frequency:
1. Use the map pointer or the
NRST
key to select an airport.
2. Highlight the
Comm
sub tab.
3. Select a comm frequency, and press
ENTER
. The frequency is
now tuned in the standby slot on the radio.
If the comm frequency has a restriction, the restriction page has a
Tune
button, which performs the same function.
154
GPSMAP 496 Owner’s Manual
VHF C
OMM
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