AllScan URI Recommended DIP Switch / Trim Pot Settings

URI101

SW1: 1&2 Off (Rterm) / try other settings if RFI present on Rx audio
SW2: 1 On, 2 Off for COS detection from RxAudio Bias Voltage
     1 Off, 2 On for COS from Rx HT 2.5mm Jack Ring

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.

For use with 2 HTs (full-duplex)

Connect the 2.5mm Rx HT jack to the Rx HT
Connect the 2.5mm Tx HT jack to the Tx HT
Connect the 3.5mm Tx HT Gnd jack sleeve to the HT Power Supply Ground

URI110

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

SW1: 1&2 Off
SW2: 1 Off (1200), 2 On (9600)
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)

URI141

SW1: For RxAudio COS set 1 On, 2 Off / For 2.5mm Ring COS set 1 Off, 2 On

URI145

SW1: For RxAudio COS set to Left position / For 2.5mm Ring COS set to Right position

URI150 v1.2

SW1: For RxAudio COS set 1 On, 2 Off / For 2.5mm Ring COS set 1 Off, 2 On

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
SW2: 1&2 Off
SW4: 1&2 On

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
SW2: 1&2 Off / Set 2 On if COS/PTT not working properly
SW4: 1 Off, 2 On

URI150 v1.1

SW1: For RxAudio COS set 1 On, 2 Off / For 2.5mm Ring COS set 1 Off, 2 On
SW2: 1&2 Off
SW3: 1&2 Off / Set 2 On if COS/PTT not working properly

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

NOTE: An RFI issue with High Tx power on 2m causing USB resets can be addressed by setting
SW4 1&2 Off, then connect Rx Gnd & Tx Gnd together with a jumper wire on the Radio I/O header.
Also be sure to place ferrite clamp-on cores at both ends of all cables.

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
SW4: 1 Off, 2 On

URI201

SW1: 1&2 On / try setting either or both Off if RFI or other issues occur
SW2: 1 On, 2 Off (5KΩ Zin) / try other values for best audio quality and levels
     or for radios with higher or lower audio output source impedances
SW3: 1&2 Off
SW4: 1 On = Use Mini-DIN-6 1200 Rx Audio In / 2 On = Use Mini-DIN-6 9600 Rx Audio In
RxAdj & TxAdj: Set to max (clockwise) when using flat audio (9600) IOs