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Calibration
What is calibrated
Probe
Probe Attenuation
calibration
Channel Skew Calibrates out the small
di erences in delay
between channels. Useful
for looking at timing
di erences between
channels
External Scale Compensates for gain or
loss associated with
external devices
(calibrates vertical scale
to external device)
Plug-in Module V ertical Calibration
The plug-in module vertical calibration allows the instrument to establish
the calibration factors for a speci c plug-in when the plug-in is installed in
the mainframe. The plug-in calibration factors are valid only for the speci c
mainframe slot in which it was calibrated. The plug-in vertical calibration
establishes vertical accuracy.
A plug-in vertical calibration should be done if:
Table 3-3. Miscellaneous User Calibration Summary
Measurements A ected
Any electrical measurement
taken with the probe
Multiple channel
measurements
Any measurement taken
through an external device
(component or transducer)
The mainframe has cycled power.
The plug-in has been repaired, reprogrammed, or removed from the
mainframe.
The instrument's operating temperature has changed and remains more
than 5
C from the temperature at which the Plug-in calibration was
performed.
FINAL TRIM SIZE : 7.5 in x 9.0 in
Recommended Interval
Whenever a probe is
4
connected
Before multiple channel
4
measurements when
measuring timing di erences
between channels.
Whenever using external
4
devices (component or
transducer)
Calibration Overview
User Calibrations
Key Path
Electrical Channel Setup
FFFFFFFFFFFFFFFFFFFFFFFFFF
Calibrate
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Calibrate probe
Channel Setup
5
FFFFFFFFFFFFFFFFFFFFFFFFFF
Calibrate
FFFFFFFFFFFFF
Skew
Channel Setup
5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
External Scale
5
3-7
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