Adjustments/Calibrations
- System
  - B0 Drift Calibration
  - Doing DQA calibration
    The DQA tool determines proper gradient polarity and proper gradient wiring by scanning a series of axial and coronal images of the DQA III phantom.
  - Troubleshooting the Daily Quality Assurance (DQA) II tool
    If problems are encountered while using the Daily Quality Assurance (DQA) calibration procedure, refer to the following guidelines for troubleshooting.
  - Dual drive quadrature tool
  - Doing the Echo Planar Test
  - Deionization procedure
  - HIS/RIS Setup and Troubleshooting
  - Calibrating High Order Shim (HOS)
    This procedure creates High Order Shim (HOS) reference maps characterizing the fields created by the HOS windings. These maps are used by the HOS feature.
  - ICN On/Off procedure for Sun 4100, 4170, and Dell R620
  - LVShim Procedures
  - Running LVShim
    The objective of the LVShim tool is to fine-tune magnet homogeneity.
  - Running LVShim - Gradshim
  - Running LVShim in Auto mode
  - Running LVShim in Manual mode
  - System gain calibration
    Head and body system gain calibration.
- Gradient
- Radio Frequency (RF)
- Magnet Enclosure
- Patient Table
- Global Operator Console (GOC)
- Spectroscopy

Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WHA3083C6GYZ
Topic ID: id_2001849 Version: 9.2
Date: Sep 21, 2021 1:00:40 PM

Finalizing the EPT

Procedure

Remove service equipment from the system.
If running EPT independently, do the following:
1. Perform a SaveInfo. See Running the Save and Restore tool.
2. Reset TPS to bring the system back into a known state.
3. Perform a Check Scan to verify that the scanner is working properly before customer turnover. See Doing a check scan.