HF Series Generators
Configuration
CF-1018R3
34
Perform the following test (it is not mandatory).
The test described only applies to RAD Tubes.
In case of a R &F Tube (Tube-2) both filament are always ON ( lit).
Select a “Direct” workstation and a mA station for the Small
Filament. Press “Prep” for RAD and observe through the X-ray
Tube window that the Small Filament lights more than the Large
Filament.
1. Select the highest mA station for the Small Focal Spot. Verify that
effectively the Small Filament is ON (lighted) and the Large Filament is
OFF. Observe filaments through the X-ray tube window.
2. Select the lowest mA station for the Large Focal Spot. Verify that
effectively the Large Filament is ON (lighted) and the Small Filament is
OFF. Observe filaments through the X-ray tube window.
3. If required for the second tube, repeat this procedure.
Illustration 3-1
Focal Spots C onfiguration
Note .
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