4   SETTABLE LEVEL AND POLARITY COS INPUTS

1. COS INPUT
1. Settable on / off COS voltage levels and polarity
2. COS input can be set to 1V to 9V (actual levels can be 0V to 15V)
3. COS input is used for the repeaters main receive COS


2. RX 2 COS INPUT
1. Settable on/off COS voltage levels and polarity
2. COS input can be set to 1V to 9V (actual levels can be 0V to 15V)
3. COS input for the remote base / Link (or RX 2) COS .


3. CONTROL RX COS INPUT
1. Settable on / off COS voltage levels using a potentiometer
2. The COS polarity is programmed with jumper selection
3. The control RX COS has priority over  all other COS inputs for control


4. AUXILIARY COS INPUT
1. Settable on / off COS levels and polarity
2. COS input can be set to 1V to 9V (actual levels can be 0V to 15V)
3. Used as an auxiliary COS for RX 1
4. Can be used with RX 1 COS to switch between CTCSS and open squelch control