4
Radio Cables
OTTO has cables for a wide variety of radios, intercoms,
headsets, and other accessories to interface with the Hub.
Please email [email protected] for more details.
PTT and Volume Buttons
The Multi-Port Hub PTT has three buttons
marked 1, 2, and 3 on the side of the hub.
It also has and – buttons to control
situational awareness (talk-through).
1. The top PTT button marked
1
is the
primary PTT button. It controls the
radio plugged into the jack labeled
PTT 1-2 MAIN
.
2. The middle PTT button marked
2
is for
secondary radios plugged into the
MAIN
jack with
a Y-cable, or for dual comms channels on a dual-
channel radio platform.
3. The bottom PTT marked
3
is used when a radio or device
is plugged into the
AUX
jack.
4. Operating the volume
+ and
-
buttons on the Hub work the
same as the NoizeBarrier TAC
headset. A long depression
turns the situational awareness
feature on or off. A short
depression on either button will
turn the volume up or down.
volume –
volume –
