Pin 4: This pin is an analog-to-digital input (A/D-3). The AUX Port also pro
-
vides this pin, as well as three additional A/D inputs. See the Analog command
for details.
Pin 5: Receive audio from your radio connects to this pin. This normally will
connect to the external speaker jack on your radio, but may connect to the receive
audio pin on your microphone connector (if available).
Pin 6: This pin connects to the ground of your radio mic connector.
Pin 7: This pin is not normally connected in the KAM’98, but may be configured
as an external reset or to supply power to the KAM’98 using jumpers J1 and J2.
See the Jumper section for details.
Pin 8: This pin is the CONTROL B output from the KAM’98 which may be used
as a control line to your radio or other devices. It is an open-drain circuit, and
will apply a ground on this pin when controlled by the CTRL command in your
KAM’98 (not to exceed 50 volts or 200 mA).
Pin 9: This pin is connected to ground as shipped from the factory. You may
re-configure this pin to perform an external soft reset by using jumpers J1 and
J2. Alternatively, this pin may be used for key out CW if configured with jumper
pin 2 and center pin. See the Jumper section for details.
Appendix A: Advanced Installation Connecting to your Radios
User’s Guide 330 KAM’98 v 8.3
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