HP 3585A Service Manual page 136

Model 3585A
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g . Disconnect the DVM .
h . Turn the 3585A power off. Return the A3 1 board to its proper place in the card nest .
Turn the 3585A power on.
i . Set the 3585A controls for:
j . Verify that the MANUAL frequency reads I ,OOO, 500Hz on the CRT display.
k. Set your oscilloscope controls for:
1.
Connect a 10: 1 probe to the input of the scope. Connect the scope probe to A3 1 TP2.
m. Connect a second 1 0: 1 probe to the External Trigger input . Connect this probe to
A33TP l .
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Figure 5· 1 7 . Fractional
RECALL 60 1
INSTRUMENT PRESET
RES . BW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3KHz
MANUAL ENTRy . . . . . . . . . . . . . . . . . . . . . . . . . IMHz
CF STEP SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500Hz
MANUAL FREQUENCy . . . . . . . . . . . . . . . . . . . . . . .
Vertical Scale . . . . . . . . . . . . . . 0 . 0 I V IDiv. (AC coupled)
Horizontal Scale . . . . . . . . . . . . . . . . . . . . . . . 50#,sec/Div.
Trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . external
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