Agilent Technologies E3640A - Page 187

Appendix Service Information
General Calibration/Adjustment Procedure
186
13 Save the changes and select the middle current calibration point.
If the entered number is within an acceptable range, an ‘‘
ENTERED
’’ message
appears for a second. If the entered number is not correct, an error message
will be displayed for a second and you will hear a beep, and then go back to
the low, middle, or high current calibration point again as proceeding.
14 Enter the computed value (DVM reading
¸ by shunt resistance) by
using the knob and resolution selection keys.
15 Save the change and select the high current calibration point.
16 Enter the computed value (DVM reading
¸ by shunt resistance) by
using the knob and resolution selection keys.
17 Save the new current calibration constants and exit the calibration
mode.
If the calibration fails, an error message will be displayed for one second and
you will hear a beep, and then go back to the current calibration mode again.
A ‘‘
CURRENT CAL
’’ message is displayed.
I MI 1.5
55
5000
I MI 1.5400
I HI 2.8
88
8000
I HI 2.789 A
CAL mode
Calibrate
View
Calibrate
View
Calibrate
View
Power