Installation instructions for the CTCSS Board

                                      How to add CTCSS in SR-94HPC

1.   Remove R254/R255 as show in the photo：

Tips on removing the SMT resistors

2.  Remove this 2 screws but keep them for next steps

3. Install 2 copper pillar：

4. Insert the CTCSS Plug

5. Screw into the copper pillar：