To perform the self-calibration
In this procedure you load the default calibration factors to give a known
starting point for the firmware calibration. However, once the default
calibration factors are loaded, you must perform the remainder of the
firmware calibration to maintain the accuracy of the oscilloscope.
Table 4-14
Equipment Required
Equipment
Pulse generator
Cable
Cable
Adapter
Adapter
Feedthrough
Check the rear panel
1
If you are not sure how to check the
output of the
Load the default calibration factors.
2
a
b
c
Self-calibration hint
Thie instrument is self-calibrated at the factory. However, it should be
self-calibrated again in its working environment after a 30-minute warmup to
obtain the best accuracy.
Critical specifications
100 kHz, 1 V p-p, rise time <5 ns
BNC, 3 feet
BNC, 9 inches, Qty 2
BNC tee (m) (f) (f)
BNC (f-f)
50 , BNC (m) and (f)
DC CALIBRATOR
DC CALIBRATOR
Set the rear-panel
CALIBRATION
(up position).
Press
Print/Utility
Press the Load Defaults softkey.
Adjusting the Oscilloscope
Recommended
Model/Part
HP 8112A
HP 10503A
HP 10502A
HP 1250-0781
HP 1250-0080
HP 10100C
output level.
, see "To check the
DC CALIBRATOR
," on page 4–6.
switch to
UNPROTECTED
, then press the Self Cal Menu softkey.
Service
4–31