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For your information:
The values, "yyy" and "zz" are not associated to jitter value. / "yyy" indicates the frequency of
error occurrence. / "zz" indicates the focus drive value.
Note:
Jitter value appears on the display.
3. Replay T01 (inner track) of the test disc.
4. Adjust till the jitter value becomes minimum, using a tangential
adjustment screw. <Fig. 18-1>
5. Replay T43 (outer track) of the test disc.
6. Adjust till the jitter value becomes minimum, using a tilt
adjustment screw 1. <Fig. 18-1>
7. Replay T43 (outer track ) of the test disc.
8. Adjust till the jitter value becomes minimum, using a tilt
adjustment screw 2.<Fig. 18-1>
9. Adjust till the jitter value becomes, using the tilt adjustment
screws 1 and 2 alternatively.
18.1.4.2. Tips
1. Apply the tangential adjustment first and then the tilt adjustment.
2. Repeat the adjustment a couple of times to find the optimum point.
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Fig. 18-1
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