Garmin GTN 725 Cockpit Reference Manual page 16

If a GMA 35 is connected to the GTN, voice commands may be available.
Refer to the GTN 725/750 Pilot' s Guide, P/N 190-01007-03, for a complete
description of the voice recognition feature.
Control Example Phrase
"COM one"
"MIC one"
"COM one MIC"
"COM two"
"MIC two"
COM
"COM two MIC"
"COM three"
"MIC three"
"COM three MIC"
"Split COM" or "Split Mode"
"NAV one"
NAV
"NAV two"
"MUSIC one mute" or Mute
MUSICD one"
"Disable MUSIC one mute"
"MUSIC one mute disable"
"Disable mute MUSIC one" or
"Mute MUSIC one disable"
MUSIC
"MUSIC two mute" or
"Mute MUSIC two"
"Disable MUSIC two mute"
"MUSIC two mute disable"
"Disable mute MUSIC two"
or "Mute MUSIC two disable"
Speaker "Speaker" or "Cabin Speaker"
COM
"Play"
Clearance
"Read back" or "Say again"
Recorder
"P-A" or "Passenger Address"
PA
Marker
"Marker" or "Marker Beacon"
Beacon
8
Voice Recognition Commands
GTN 725/750 Cockpit Reference Guide (CRG)
Action
Toggles COM1 audio.
Selects MIC1/COM1 audio.
Selects MIC1/COM1 audio.
Toggles COM2 audio.
Selects MIC2/COM2 audio.
Selects MIC2/COM2 audio.
Toggles COM3 audio.
Selects MIC3/COM3 audio.
Selects MIC3/COM3 audio.
Toggles split COM mode.
Toggles NAV1 audio.
Toggles NAV2 audio.
Mutes Music 1 on radio
reception.
Disables Music 1 mute on
radio reception.
Mutes Music 2 on radio
reception.
Disables Music 2 mute on
radio reception.
Toggles Cabin Speaker on/off.
Opens Audio Clearance
Recorder and plays the last
received radio transmission.
Toggles PA on/off.
Same action as pressing
Marker Audio.
190-01007-04 Rev. D