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7-3
Adjustments and Calibration
Timebase Adjustments
Timebase Adjustments
Standard Timebase Adjustment Procedure (Reference Calibration)
NOTE This procedure should only be performed after the instrument has warmed up at least 30
minutes. It should be performed after replacement of the reference section A15, or if the
instrument gives an error message “Frequency reference cal lost. Perform reference
calibration.”
1. Connect a 10 MHz source to the rear panel REF IN connector.
2. On the configuration screen, select the “Calibrate” field.
3. Wait approximately 15 seconds; the reference will be calibrated.