Instruction manual

Chapter 6 Backdating
The Agilent 53131A Calibration Procedures
6-12 Assembly-Level Service Guide
6
CHANGE 1 (Firmware Revisions 3317, 3335, 3402, 3427) (Continued)
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
1 Press any one of the arrow keys until CAL: TI Æ 2? is displayed.
2 Press Enter key.
A scrolling message with instructions appears. Follow the instruction by performing
the following procedure.
3 Connect the Agilent 8130A Pulse Generator output to Channel 1 of the Counter
as shown in Figure 2-3.