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11) The actual filament current and the monitored current monitored by the GUI should be within
1% tolerance. If the reading is not at spec, adjust R53 (LARGE FIL I CAL) on Filament/Feedback
board XRV (Part # 460158-XXX).
12) Select the “Fil/Local Cntrl” tab and select Filament Control “Off”. The Small Filament Calibration
follows the same procedure as the Large Filament Calibration. Ensure the multi-meter current
connections are through the small filament as referred to in the diagram. For additional
information, see Filament Calibration Procedure in the XRV Generator Manual.
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