HamGadgets PicoKeyer-Plus - Page 6

PicoKeyer-Plus 05/25/2014 (Firmware V4.5) Page 6 of 19
Figure 4 - Keying FM mobile rigs
Figure 4 shows the method used with mobile or fixed station rigs.
You will likely find it easiest to connect the keyer via the packet
data connector. The schematic shows an optional audio level
control potentiometer that may or may not be needed.