AllScan URI Recommended DIP Switch / Trim Pot / Jumper Settings

RV1 and RV2 trim pots should generally be set to 50% (default) unless otherwise noted

URI100

For use with 1 HT (half-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Rx HT jack to the HT K1 jacks.
SW1: 1&2 On (COS, Rterm)

For use with 2 HTs (full-duplex)

Connect the 3.5mm Tx HT jack to the Tx HT
Connect the 2.5mm Rx HT jack to the Rx HT
Connect the 3.5mm TRRS Sleeve to the Tx HT 2.5mm jack Sleeve (Gnd)
SW1: 1&2 On (COS, Rterm)

For use with Mobile Radio(s), ASL USBRadio DSP mode

Connect the 3.5mm TRRS jack to the radio Gnd, 9600 Rx Audio, Tx Audio and PTT lines
SW1: 1&2 Off
RV2 TxAdj: Set to max (clockwise)

URI110

For use with a Mobile Radio with Mini-DIN-6 Jack, ASL USBRadio DSP mode

SW1: 1&2 Off
RV2 TxAdj: Set to max (clockwise)

For use with 1 HT (half-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Rx HT jack to the HT K1 jacks.
SW1: 1&2 On (COS, Rterm)

For use with 2 HTs (full-duplex)

Connect the 3.5mm Tx HT jack to the Tx HT
Connect the 2.5mm Rx HT jack to the Rx HT
Connect the URI Enclosure Ground / J3 pin 6 to the Tx HT 2.5mm jack Sleeve
SW1: 1&2 On (COS, Rterm)

URI150

For use with 1 HT (half-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Rx HT jack to the HT K1 jacks
SW1: 1&2 On (COS, Rterm)
SW3: 1&2 Off / try setting either or both On if RFI or other issues occur
SW5: 2 Off / try setting 2 On if RFI or other issues occur
SW6: 1&2 On / try setting either or both Off if RFI or other issues occur

For use with 2 HTs (full-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Tx HT jack to the Tx HT
Connect the 2.5mm Rx HT jack to the Rx HT
SW1: 1&2 On (COS, Rterm)
SW3: 1&2 Off / try setting either or both On if RFI or other issues occur
SW5: 2 Off / try setting 2 On if RFI or other issues occur
SW6: 1 Off, 2 On / try other settings if RFI or other issues occur

URI200 v1.0

For use with 1 HT (half-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Rx HT jack to the HT K1 jacks.
SW1: 1&2 On (COS, Rterm)
SW2: 1&2 On (600Ω)
SW3: 1&2 Off / try setting either or both On if RFI or other issues occur
SW5: 1&2 On
SW6: 1 Off, 2 On / try setting 2 Off if RFI or other issues occur

For use with 2 HTs (full-duplex)

Connect the 3.5mm Tx HT jack and 2.5mm Tx HT jack to the Tx HT
Connect the 2.5mm Rx HT jack to the Rx HT
SW1: 1&2 On (COS, Rterm)
SW2: 1&2 On (600Ω)
SW3: 1&2 Off / try setting either or both On if RFI or other issues occur
SW5: 1&2 On / try setting 2 Off if RFI or other issues occur
SW6: 1 Off, 2 On / try setting 2 Off if RFI or other issues occur

For use with a Mobile Radio with Mini-DIN-6 Jack, ASL USBRadio DSP mode

SW1: 1&2 Off
SW2: 1 On, 2 Off
SW3: 1&2 Off
SW4: 1 Off, 2 On (use 9600 Rx audio)
SW5: 1&2 On
SW6: 1 Off, 2 On / try setting 2 Off if RFI or other issues occur
RV2 TxAdj: Set to max (clockwise)

Note: AllScan URIs use C-Media CM108B ICs, which have a ~6dB reduced ADC frequency response below 100Hz relative to CM1xx[A/AH]. As a result, use of CTCSS tones lower than 100Hz with tone decode done in ASL is not recommended.

AllScan URIs are available with CM119A ICs by special order.

For assistance with other radio configurations send me an email.