GE Revolution CT User Manual page 201

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If the detectors are cold due to an A1 Power Panel (breaker) being off, turn the system on
and wait two hours before performing a tube warmup. This allows the detectors to return to
operating temperature.
1. Clear the gantry area of all objects. Any obstruction in the gantry may lead to artifacts in
scanned images.
2.
From the image monitor, click the
Utilities menu, click Daily Prep , then Tube Warmup .
3. From the
Service-Calibration Tools window opens.
The
Tube Warmup from the drop-down and click [Run].
4. Select
5.
Alternatively, click
NOTE: Refer to the
6. Press <Start Scan>.
7. The system returns to the
complete. Click [Dismiss] to exit the window.
Chapter 9 Startup and Shutdown
Utilities icon
, then [Tube Warmup].
Safety chapter regarding using non-GE tubes.
Service-Calibration Tools window when the tube warmup is
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
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201