Accessories; Connection Of Vox Unit - Kenwood TS-700A Operating Manual

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6-1. Accessories
For more enjoyable operation of your TS-700A, the
following accessories are available from your dealer on op-
tional basis:
* Communication type microphone MC-50
A uni-directional dynamic microphone exclusively desig-
ned for amateur radio band equipment, featuring excel-
lent performance when used in noisey locations or used
in VOX mode. Provided with a lock-in type PTT switch.
the output impedance is switchable between 50 k{ and
600 kQ.
* Ham clock HC-2
A clock graduated in 24-hour system on the time dial
with main prefixes for convenience of use for ham fans.
Operates continuously for more than 1 year with one
UM-1 dry battery.
* Tone oscillator unit
Frequency: 1800 Hz
1950 Hz
2000 Hz
2100 Hz
2200 Hz
2250 Hz
2400 Hz
2550 Hz
TS-700A
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SECTION 6. ACCESSORIES
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6-2. Connection of VOX Unit
Your TS-700A can be readily connected to the VOX
circuit (VOX-3). This connection permits the changeover
between transmission and reception automatically by your
voice fed into the microphone without using the standby
switch or the microphone switch, making your QSO more
enjoyable.
VOX-3 (option)
VOX-3 can be used simply by connecting the cord
(supplied with VOX-3) to the VOX socket at the rear panel of
the transceiver- no tools are required. The standby circuit
of TS-700A is shown in Fig. 16 for reference.
Use of VOX-3
To operate the transceiver in combination with VOX-3,
first set the STANDBY switch to REC and then turn the VOX
GAIN knob of VOX-3 to ON position- VOX-3 is now ready
for operation. Speak into the microphone and the
transceiver is automatically set in the transmitting mode. If
the transceiver fails to shift to the transmitting mode
smoothly, adjust the VOX GAIN knob. Stop your talking into
the microphone and the transceiver is again set in the
receiving
mode. The time required for the transceiver to
shift from transmission to reception can be adjusted by the
DELAY knob as desired.
If VOX-3 is activated by the sound
fed through the speaker to the microphone during reception,
adjust the ANTI
VOX
knob. If VOX-3
is not used or the
transceiver is to be operated in CW mode, the VOX GAIN
knob must be set in the OFF position.
; Stand By Relay
1
VOX Plug
Stand By Switch 6
VOX Terminal
23