Tektronix 485, Instruction Manual

Page: 141 / 197

VOLTAGE CONDITIONS
0.5 div of 1 kH? Cal Signal •
SWEEP MODE-NORM
COUPLING-AC
SOURCE-INT
HORIZ DISPLAY-A
TIME/DIV-1 ms
SLOPE-♦
LEVEL-0
A TRIG SOURCE EXT
A EXT TRIG-button pushed
LEVEL control used to center signal
* 1 kHz cal signal through 10X attenuator,
50 Q termination to EXT TRIG Jack.
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W I T H R H O
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SWP G A T E
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SEE PARTS LIST FOR EARLIER
VALUES AND SERIAL NUMBER
RANGES OF PARTS OUTLINED
OR DEPICTED IN BLUE.
flii _ „ -r-1 '
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trig
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PARTIAL A B 'A ' T R IG G E R b O A k b
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4 8 5 OSCILLO SCOPE
(S
lope switch
)
11 9 3 - 3 4
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A TRIGGER GENERATOR