Kenwood TS-990S - Manual (Page 280)

18 TROUBLESHOOTING
18-10
Index Contents
Symptom Common Problem What to do Ref. Page
The received audio sounds from one channel
in a PC (the PC is connected to the ACC 2
connector).
Monaural is configured in a PC for the
microphone.
If the OS in your PC is Windows Vista or later,
select “2 Channels” from the Control Panel >
Hardware and Sound > Sound > Recording >
Microphone > Advanced.
The Firmware Updating screen remains
appeared and the transceiver does not start
up.
The transceiver firmware cannot be
detected.
Update the transceiver firmware again. If
the same symptom appears even after the
firmware is written to the transceiver, note the
three-digit number that appears on the lower
right side of the main screen and contact the
KENWOOD service center.
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