iii
Introduction ............................................................................................................................... 23
Main Features............................................................................................................................ 24
Installing TheCOM ................................................................................................................... 25
General Install Guidelines..................................................................................................... 25
Headsets .................................................................................................................................... 26
Installing Helmet Headsets ................................................................................................... 26
Mic Placement ...................................................................................................................... 26
Fitting the headset parts to your helmet ................................................................................ 26
Front Keypad Controls .............................................................................................................. 28
Power On / Off ...................................................................................................................... 28
Volume Controls ................................................................................................................... 28
VOX ...................................................................................................................................... 28
Rear Intercom Ports .................................................................................................................. 29
Power Wires .......................................................................................................................... 29
PTT ....................................................................................................................................... 29
Radio ..................................................................................................................................... 29
Audio Out.............................................................................................................................. 29
Phone / Audio In ................................................................................................................... 30
HS-1 ...................................................................................................................................... 30
HS-2 ...................................................................................................................................... 30
HS-3 ...................................................................................................................................... 30
HS-4 ...................................................................................................................................... 30
Bluetooth ................................................................................................................................... 31
Troubleshooting the S4S ........................................................................................................... 31
Contact Info .............................................................................................................................. 32