HAND-HELDS
21
Enabling the Isolation Circuit in the KPC-4
Separate circuits are provided for each radio port. Jumper X is for Port 1, Jumper Y is for Port 2.
1. Refer to the Assembly and Disassembly section for instructions if necessary and remove the
KPC-4 from its case.
2. Locate point X or Y on the PC board. This location is at the rear of the PC board.
Rear of KPC-4
3. Locate the three points associated with X or Y. Note that there is a jumper at each of these lo-
cations which is in position 1.
4. Carefully cut the jumper.
5. Install a new jumper in position 2. You may wish to make this connection on the bottom of the
PC board instead of the component side.
6. Connect the AFSK and PTT lines together.
To Next Page
Loading...
