Transmitting, Backlight on / off, Setting backlight brightness – Dynon Avionics DX15 User Manual
Page 21: Setting squelch, Transmitting ‐3, Backlight on / off ‐3, Setting squelch ‐3

DX15 User Guide
3‐3
Transmitting
To transmit on the tuned frequency, press and hold the Push‐to‐Talk
button on the left side of your DX15 while speaking into the microphone
on the front of the transceiver.
Note: If the “Stop Transmitting on Stuck Mic” option is turned on,
transmitting will cease after a continuous 30 second hold of Push‐to‐Talk
(either the radio‐mounted button or any externally connected Push‐to‐
Talk button). See the Advanced Settings section of the manual for more
information
Backlight On / Off
The backlight can be turned on or off by pressing the LIGHT button at any
time.
SETTING BACKLIGHT BRIGHTNESS
To adjust the brightness of the backlighting:
Push and hold the LIGHT button until it says LitE‐X, where X represents
the current backlight level between 1 and 9.
Adjust the backlight level by using the ◄ and ► buttons.
To exit, push the LIGHT or CLR button, or wait a few seconds.
Note: The backlight can also be set to turn on for 5 seconds with each
button press. See the section Advanced Settings for details.
Setting Squelch
Squelch silences the speaker, eliminating the background noise which is
present on all frequencies when no signal is being received. Squelch is