User's Manual
Digital Hand Held Transmitter
Rio Rancho, NM
11
ProgSw
PTT
Push To Talk is a momentary talk 
switch. Audio is transmitted while 
the button on the housing is held 
(opposite of cough)
ProgSw
Mute
Mute is a “push on/push” off func-
tion that toggles on and off each 
time the button on the housing is 
pressed. The mute function defeats 
the audio in the transmitter, so it 
works in all compatibility modes and 
with all receivers.
ProgSw
(none)
(none) disables the button on the 
housing.
ProgSw
TalkBk
TalkBk is a “push to talk” function 
that is active only while the button is 
pressed. The talkback function 
provides a communication channel 
when used with a receiver equipped 
with this function, such as a Venue 
Wideband receiver with firmware 
Ver. 5.2 or higher. When pressed and held in, the side 
button re-directs the audio output to a different audio 
channel on the receiver. As soon as the switch is 
released, audio is returned to the program channel.
Main Window Displays for Function
The function of the Programmable Switch is displayed 
in the LCD Main Window. In the None and Power 
functions, no indication is displayed. In the Mute and 
Cough functions, the word MUTE is displayed.
DHu
545.400
-40
-20
0
MUTE
DHu
545.400
-40
-20
0
None/Power Mute/Cough
When the button on the housing is pressed, the func-
tion will be active and the LCD will display an indi-
cation for the Mute and Cough functions. The word 
MUTE will be shown in reverse video and the audio 
level bar at the bottom of the display will be replaced 
by a blinking word MUTE.
DHu
545.400
MUTE
<–MUTE–>
Mute active 
(MUTE blinks)
Reverse video










