DC Offset Adjustment

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	5 minutes	Not Applicable

Table 2. Required conditions
Condition	Reference	Effectivity
No scan in progress. Hit End Exam to end any exam in progress.	-	-

Go to the Service Desktop and select Calibrations from the Service Browser. See Figure 1. Select DC Offset Calibration.

Figure 1. Selecting DC Offset Calibration in the Service Browser
Select Run .

A report of “DC Offset calibration has been completed” signifies that the calibration is done. The calibration should only be run once.
The calibration values are stored in /usr/g/caldir/gradient_tune.dat .

Note:
The calibration values are relative to the site DC Offsets is run on and can vary greatly from site to site.
Perform TPS Reset or end diagnostics.

No finalization steps.