Stuck Microphone; Remote Frequency Selection Control; Reverse Frequency Look-Up - Garmin GTN 625 Pilot's Manual

3.3.5
Foreword
Whenever the GTN 635 or 650 is transmitting, a "TX" indication appears
in the Com window. If the push-to-talk key on the microphone is stuck or
Getting
Started
accidentally left in the keyed position, or continues to transmit after the key is
Audio & released, the Com transmitter automatically times out (or ceases to transmit)
Xpdr Ctrl
after 30 seconds of continuous broadcasting. You will also receive a "Com push-
to-talk key stuck" message as long as the stuck condition exists.
Com/Nav
3.3.6
FPL
On units configured for remote Com frequency Recall, pressing the remote
recall switch will load the next preset Com frequency into the unit' s Standby
Direct-To
frequency box. The remote recall switch can be pressed multiple times to scroll
the entire preset frequency list through the Standby frequency box (the list will
Proc
"wrap" from the bottom of the list back up to the top, skipping any empty preset
positions).
Wpt Info
The standby frequency isn't activated until a Com flip-flop switch (either
Map
remote- or bezel-mounted) is pressed. Remote Frequency Selection only functions
on units configured for a remote Com Frequency recall switch.
Traffic
NOTE: For software prior to v5.00, frequencies must be stored in the User
Frequency List prior to utilizing the remote channel select switch.
Terrain
3.3.7
Weather
When the Reverse Frequency Look-Up feature is enabled in System-Setup,
Nearest
the identifier and frequency type will be shown for the selected Com and Nav
frequencies for the nearest stations that are in the aviation database when the
Services/
unit is receiving a valid position input. Station Identifiers with a "+" sign will
Music
have more stations associated with this frequency than just the type displayed.
Utilities
System
Messages
Symbols
Appendix
NOTE: It can take up to 2 minutes for the RFL frequency to change after
crossing the half way point when flying from one airport to another that
Index
both use the same frequency.
3-12

Stuck Microphone

Remote Frequency Selection Control

Reverse Frequency Look-Up

Identifier and Type Shown
for the Selected Frequency
The "+" Sign Indicates More
Stations Associated with this
Figure 3-25 Reverse Frequency Look-Up
GTN 625/635/650 Pilot's Guide
Frequency
190-01004-03 Rev. P