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Polaroid ID3000 Service Manual
D.
Electrical Focus Adjustment (done at depot facilities only)
Setup:
Bring up the tennis court pattern by selecting DP.GTI from the Gentest menu.
Procedure:
1.
Install the CRT collimator on the CI-5000, using the thumbscrews to secure it
(see Figure 4-9).
2.
Turn the focus wheel on the collimator while looking through the collimator eye
piece. Focus the collimator until the phosphors on the screen are the sharpest
possible: look at the center cross pattern.
3.
When the image is the sharpest, adjust R36 Focus (Figure 4-3) for optimal focus.
Figure 4-9 Installing CRT Collimator on CI-5000
4-14
Calibration Procedures
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