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Modei 5304A
Maintenance
OPEN/CLOSE MODE
5304A Controls:
Channel
A,
SEP,
XI,
DC,
+,
PSET
OPEN/CLOSE
A.
Press
RESET,
then
OPEN/CLOSE;
display
should
be
ac-
cumulating at a 10 Hz rate.
INPUT:
651B set to 10 Hz, 100 mV rms/50<2.
Oscilloscope:
HP 180A, HP 1801A Vert Amp, HP 1821A T.B.
through a 10:1 probe.
Settings:
AC coupled (except as noted).
NORM sweep mode.
+ slope (except as noted)
AC (except as noted)
Channel A
5300A
Sample
Rate
ccw
out
of
OFF
(except
as noted).
5304A: OPEN/CLOSE Mode
TPl
H. Goes Low when OPEN/CLOSE switch is
pressed.
Reamains Ix>w if this switch is
held depressed.
TP2 L. Goes High when RESET is pressed. Re-
mains High if this switch is held depressed.
TP3 L
TP4
L. Goes High when OPEN/CLOSE is pressed
to stop accumulation or when RESET is
pressed during accumulation.
TP5
H. Goes Ix)w when OPEN/CLOSE is pressed
to stop accumulation or when RESET is
pressed during accumulation.
9D-5-12
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