Kenwood TS-590SG Instruction Manual page 11

Headphones
Front Panel
MIC
PTT
DOWN
UP
MIC connector (Front view)
Microphone
Rear Panel
GND (STBY)
GND (MIC)
NC
8 V (10 mA max)
External speaker
Note:
◆ Do not use a cable exceeding 3 m (9.8 feet) with the
following connectors:
PHONES jack
COM connector
ACC 2 connector
KEY jack
DRV connector
◆ Do not use a cable exceeding 1 m (3.3 feet) with the
following connector:
USB connector
INSTALLATION 1
MIC connector
EXT. SP jack
REMOTE connector
PADDLE jack
3