Kenwood TS-790A Instruction Manual page 7

(1) Antenna
Caution: on
Protect
your
equipment—Use
a LIGHTING
AR-
RESTER.
(2) Grounding
Caution: ~ -
Never use a gas pipe or electrical conduit pipe.
(3) External speaker
(4) Key connection
Your key should be connected as illustrated in the
figure below. When using an electronic keyer, make
sure that polarity is set for positive. Always use shieid-
ed line from the key to transceiver. (diameter 3.5 mm
Before connection, check that the
polarity is correct. The KEY jack pro-
vides +5.5 V. Use shielded cabie,
Key connection
B. Front Panel
Microphones
{1} Headphones
{2) Microphones
(3) Voice Controller
We recommend the use of VOX-4, if voice operated
keying is desired. Simply connect the MIC cable of the
VOX-4 to the MIC jack.