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GND
(Ground)
LUGS
(13 on Figure 7)
To prevent accidental
shocks from the chassis, connect a
good earth ground to one of these lugs.
REC ONLY
JACK
(14 on Figure 7)
Use this RCA phone jack to connect a receiving antenna
when
separate
antennas
are
employed
for transmit
and
receive.
This jack connects
an antenna
directly
into the
receiver section of the TS-900.
ANTENNA
SWITCH
(15 on
Figure 7)
Push this slide switch towards the coaxial connector marked
50 ohms
when
using a single antenna
for receiving and
transmitting.
Set the switch towards the REC ONLY jack
to use a separate receive and transmit antenna.
ANTENNA
50 ohm CONNECTOR
(16 on Figure 7)
This SO-239 coax connector should be attached to a suit-
able antenna for transmitting and receiving or transmitting
only.
The
antenna
impedance
should
be 50 ohms
un-
balanced.
RTTY
JACK
(17 on Figure 7)
The
RTTY
jack should
be connected
to a teletype key-
board for FSK operation.
The TS-900
has a built-in fre-
quency shift circuit for FSK operation.
KEY JACK
(18 on Figure 7)
Connect a key to this jack for CW operation.
POWER
SUPPLY
CONNECTOR
(19 on Figure 7)
Use this 12 pin connector to attach the transceiver to the
PS-900,
the
DS-900,
or another
suitable power
supply.
VFO
OUTPUT
CONNECTOR
(20 on Figure 7)
This
12 pin plug controls
all of the input,
output, and
switching functions
when
the VFO-900
is used with the
TS-900.
With the VFO
switch
in the RMT
position and
the VFO-900
attached
through this connector, all switch-
ing functions are controlled by the VFO-900.
®
®
®
®
®
©
®
®
0
|
6
RF VOLT s
SG
OFF
4
—
>
Ce
PINT
®
0)
RTTY
POWER
SUPPLY
@
REC—
ANTENNA——502
[o__ 9]
itz:
ax
ate
|
Oo
@D
®&
FIGURE 7.
ates :
TS-900 Rear Panel Controls
13
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