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Chapter 2 Service
The HP 53131A/132A Calibration Procedures
Assembly-Level Service Guide 2-19
2
8 To calibrate the gain for Channel 2, connect the input or the
BNC Tee to Channel 2 of the Counter.
9 Press any one of the arrow keys until
CAL: GAIN 2 ?
is displayed.
10 Press Enter key.
A scrolling message is displayed. (The +5V dc supply should already be
connected to Channel 2 as you were previously instructed to do this in
step 8.)
11 Press Enter key again.
The Counter momentarily displays
CALIBRATING
, and then it should
display
GAIN 2 PASS
.
If the fail message is displayed, refer to the troubleshooting section in this
chapter.
12 Disconnect the calibration setup.
This completes the Gain Calibration procedure. Proceed to the next
procedure to calibrate the time interval.
To Calibrate Time Interval
Refer to the section titled “INFORMATION ABOUT CAL:TI QUIK?
AND CAL:TI FINE?” (page 2-10 and page 2-11) for details on the
differences between the two time interval calibrations.