GE_OEC_9600_C-Arms

Image System Calibration 25
COLLIMATOR MECHANICAL CENTER
WARNING... Steps within this procedure produce X-rays. Use appropriate precautions.
1. Press ESC four times to remove the Monitor/Camera Alignment Pattern. Then
select the MAG 1 field size.
2. While making an AUTO FLUORO exposure, close the collimator until it is
approximately the size of the C-ring on the Beam Alignment Tool pattern as shown
in Figure 24.
Figure 24 - MAG 1 Collimator Sizing
3. Adjust the X and Y screws on the Beam Alignment Tool to center the collimator
around the C-ring. If necessary, reposition the entire collimator assembly to get the
image on the CRT.