Stuck Microphone; Remote Frequency Selection Control - Garmin GTN 725 Pilot's Manual

3.3.5

Stuck Microphone

Foreword
Whenever the GTN 750 is transmitting, a "TX" indication appears in the
Getting
Com window. If the push-to-talk key on the microphone is stuck or accidentally
Started
left in the keyed position, or continues to transmit after the key is released,
Audio &
the Com transmitter automatically times out (or ceases to transmit) after 30
Xpdr Ctrl
seconds of continuous broadcasting. You will also receive a "Com push-to-talk
Com/Nav
key stuck" message as long as the stuck condition exists.
3.3.6

Remote Frequency Selection Control

FPL
On units configured for remote Com frequency Recall, pressing the remote
Direct-To
recall switch will load the next preset Com frequency into the unit' s Standby
frequency box. The remote recall switch can be pressed multiple times to scroll
Proc
the entire preset frequency list through the Standby frequency box (the list will
"wrap" from the bottom of the list back up to the top, skipping any empty preset
Charts
positions).
The standby frequency isn't activated until a Com FLIP/FLOP switch (either
Wpt Info
bezel-mounted or remote (COM RMT XFR) is pressed. Remote Frequency Selection
only functions on units configured for a remote Com Frequency recall switch.
Map
NOTE: For software prior to version 5.00, frequencies must be stored in
Traffic
the User Frequency List prior to utilizing the remote channel select switch.
Terrain
3.3.7 Reverse Frequency Look-Up
Weather When the Reverse Frequency Look-Up feature is enabled in System-Setup,
the identifier and frequency type will be shown for the selected Com and Nav
Nearest
frequencies for the nearest stations that are in the aviation database when the
unit is receiving a valid position input. Station Identifiers with a "+" sign will
Services/
Music have more stations associated with this frequency than just the type displayed.
Identifier and Type Shown
Utilities
for the Selected Frequency
The "+" Sign Indicates More
System
Stations Associated With This
Frequency
Messages
NOTE: It can take up to 2 minutes for the RFL frequency to change after
Symbols
crossing the half way point when flying from one airport to another that
both use the same frequency.
Appendix
3-14
Index
190-01007-03-Final.indb 14
Figure 3-23 Reverse Frequency Look-Up
Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. J
7/9/2015 2:07:01 PM