19 Grounding terminal
Good grounding can improve the receiving and transmi�ng performance
of the G90/S and reduce the possibility of RF ingress.
20 MIC (microphone) interface (located on the right-hand side)
Used to connect the included mul�-func�on handheld microphone.
21 Headphone interface (located on the le�-hand side)
This is a 3.5mm stereo connector (3 wires) used to connect earphones.
(See Page 04 for the wiring details).
22 Communica�on interface (located on the le�-hand side)
Used for upda�ng the Firmware of head unit and providing a CAT
control interface to your computer.
20
NOTE
(point 22)
:
1. Insert the supplied 3.5mm to USB cable into this port for data transfer or
CAT control mode communica�ons.
2. Do not insert the cable into this port before you start the G90/S up.
Machine Interface – Head Unit
VISIT RADIODDITY.COM FOR DOWNLOADS AND HELP
08