Volume; Squelch - Garmin GTN 625 Pilot's Manual

3.1
Foreword
Com radio volume is adjusted using the Volume knob. Turn the Volume
knob clockwise to increase volume, or counterclockwise to decrease volume.
Getting
Started
The level will be maintained until changed.
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
3.2
The Com radio features an automatic squelch to reject many localized noise
Map
sources. You may override the squelch function by pressing the Volume knob.
This facilitates listening to a distant station or setting the desired volume level.
Traffic
To override the automatic squelch, press the Volume knob momentarily.
Terrain
Press the Volume knob again to return to automatic squelch operation. A "SQ"
indication appears above the active Com frequency window in the upper left
Weather
corner of the display when automatic squelch is overridden.
Com Volume and
Nearest
Squelch Control
Services/
Music
Utilities
System
Messages
Symbols
Appendix
While receiving a transmission, an "RX" indication appears in the Com
frequency window to the immediate right of "Com." A "TX" indication appears
Index
at this location while you are transmitting.
3-2

Volume

1. Turn the Volume knob to set the Com volume.
Percent Of Maximum Volume Graphic Scale Showing Volume
Figure 3-3 Com Volume Setting
2. A bar graph showing the relative volume level will indicate the
selected level and will disappear a few seconds after releasing
the Volume knob.

Squelch

Com Control Text
Figure 3-4 Com Controls
Garmin GTN 625/635/650 Pilot's Guide
Receive Annunciation
Squelch Annunciation
Active Com Frequency
(Touch to Flip/Flop)
Standby Com
Frequency
Turn To Select MHz
Turn To Select kHz
190-01004-03 Rev. K