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Section VIII
Service Information
8.1
In
Case of
Difficulty
A. Instrument inoperative; Gate indicator does not flash and Frequency Display does not light.
1.
Push power connector firmly into rear panel connector.
2.
Verify that AC power is present at the outlet, and that the instrument power cord is
good.
3.
Check the internai fuse. Refer to Section 8.2 for details.
B. Counter does not read function generator frequency.
1.
Make certain the CNTR INP button is released.
2.
On the 1Hz range it will take at least 20
seconds
for a frequency reading.
This is normal.
C. There is excessive distortion in the output
signal,
especially on the lM range.
1.
When using the Output connec tor and a
coaxial cable,
connecta 50 ohm termination
to the other end.
2.
Reduce the output amplitude.
31
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