Kenwood TS-850S - Manual (Page 18)

0|) ACC 2 connector
Terminal numbers and their applications are as
follows :
ACC2 pin assignments
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View from the
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13-pin DIN plug (E07-1351-05)
ACC2 pin assignments
Pin number Symbol Use
1 NO No connection
2 NO No connection
3 ANO The receiver audio at a fixed
level independent of AF gain
control
setting. Output
voltage : 300 mV / 4.7ki2 or
more at high input level
4 GND Grounding (The shielded wire
of the audio output terminal
is connected here.)
5 PSQ This pin is used for
connecting a TNG (Terminal
Node Controller) for use with
packet
radio. It is the
Squelch Control terminal and
will
not allow packet
communications while
squelch is off.
6 Output
voltage
pin for
S-meter.
Output voltage varies with S-
meter indication.
7 NO No connection
8 GND Grounding
9 PKS This is the standby pin used
exclusively for the terminal
unit. When this pin is in use
for standby, the microphone
input is automatically shut off
and the transmit is
operational.
10 NO No connection
Pin number Symbol Use
11 PKD This is the MIC (microphone)
input pin from the terminal
unit. The input level is
approximately 20 mV.
12 GND Grounding (The shielded wire
of the audio output terminal
is connected here.)
13 SS Standby terminal.
Grounding transmits.
® EXT SP (External speaker) jack
This jack is for connection of an external speaker.
® ANTI control
VOX operations are sometimes difficult with high
speaker volume control settings. The ANTI control is
used to reduce the tendency of the VOX to activate
from inputs from the speaker. The ANTI control is
not active when headphones are connected.
(19)
GAIN control
This control adjusts the sensitivity of VOX amplifier.
Adjust this control for your personal preference.
(§) DELAY control
This control adjusts how long the transceiver will
remain keyed after voice input has stopped.
(g) ELECTRONIC KEY switch
Turns the electronic keyer on or off. Turn the switch
off when CW is initiated by a straight key or when
using an external electronic keyer.
@
CW KEY jack
Using shielded line, connect a 6.0mm diameter
phone plug to this jack for CW operation. Connect a
paddle type key to the key jack use a 6.0mm
diameter stereo plug. Open-terminal voltage is
approximately 5 VDC. (See Section 4-4 for additional
key information.)
18