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Operating Error Codes
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To Solve an Input Problem
Select linear (Watts) units, or disregard
error when there is no power present
at sensor input.
Secure connection at SENSOR input.
Increase audio signal level.
Input signal level during reference
measurement must be between 1.29'
and 2.5QV.
To Solve an Operating Problem
Key in a different ratio reference.
Wait for oven to warm for highest
accuracy.
Remove power from power sensor
input during zeroing process.
Verify that cal factors have been
entered.
Check selected RF or IF gain level.
(When making Ratio measurements,
allow instrument to complete the
reference measurement.)
Check sensor connection at RF
POWER OUTPUT port.
Increase IF gain.
Re-enter frequency within measuremen
range. (In Ratio mode, a reference
measurement of zero is invalid.)
Check compatibility of function(s) with
selected measurement mode.
Check Special Function number and
re-enter (prefix invalid).
Check Special Function number and
re-enter (suffix invalid).
Invalid HP-IB code. Check function
codes.
Check Special Function Compatibility
with measurement.
End of RF Power calibration table. (If
displayed after first attempt to read
table using 37.6 SPCL, the table is
empty.)
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