Rear Panel - Trio TS-530SP Instruction Manual

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KEY JACK O
ANT| VOX CONTROL O
. S P E A K E R
J A C K @
EXTERNAL VFO
C O N N E C T O R
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A C F U S E
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Fig.3-2 Rear Panel View
3 . 2 R E A R P A N E L
1 . C O O L T N G F A N O
This fan cools the RF amplifier section to insure reliable
and efficient operation.
2 . R F M E T E R C O N T R O L € )
This adjusts the RF output meter reading. Set for 2/3
scale reading during CW transmission.
3 . A N T E N N A C O N N E C T O R
This SO-239 coax connector should be attached to a sui-
table 50O antenna for transmitting and receiving.
4. BIAS CONTROLO
This adjusts the bias voltage to the transmitting final am-
plifier tubes. Clockwise rotation increases the idling plate
current. Section 4 describes adjustment to 60 ma.
5 . G N D ( G R O U N D ) L U G
To prevent electric shock, as well as RF1 and BC1, con-
nect the transceiver to a good earth ground.
6. SG SWTTCH O
This slide switch controls the screen grid voltage to the
final tubes. For neutralizing, switch OFF. The switch re-
mains ON for normal operation.
7. AC POWER CABLE
This cable is used to connect an AC power source to the
transceiver.
8 . K E Y J A C K O
Using shielded line, connect a key to this 1/4" phone jack
for CW operation. Key open-terminal voltage is approxi-
mately - 65V.
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