Chapter 2 Operating Your Universal Counter
Using the Calibration Menu
Operating Guide 2-71
2
Out of HP 8130A, into HP 59992A J06 Calibrator Signal:
PERIOD: 100 ns
WIDTH: 50 ns
High: 0.50 V Low:
−
0.50 V
Input Mode: Normal
Timebase: Any external timebase you provide is ignored during
calibration.
Procedure: From the front-panel calibration menu, one keypress
invokes the calibration. You are prompted to press buttons on the
HP 59992A J06 Calibrator for each part of a four-part calibration.
Note that CAL: TI FINE? requires the completion of four steps in
order.
To Secure Against Calibration
1 Press and hold Scale & Offset key, then cycle POWER key.
CAL UNSECURE
is displayed. If
CAL SECURE
is displayed, then the
Counter is already secured against calibration and the remaining steps
are not applicable.
2 Press Scale & Offset key until
CODE:
is displayed.
3 Press the appropriate arrow keys to enter the security code, then press
Enter key.
CAL SECURE
is displayed.
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