DM-S500 EXP 98.4.25 20:38 y[W 1
DM-S500
ADJUSTMENT
7. Turn the SHUTTLE clockwise and detect the focus bias3-8 Error rate confirmation
value in which the C1 error rate becomes 220.3-8-1 CD error rate confirmation
8. Press the PLAY key to display Ob=## ####/�.Confirmation :
9. Turn the SHUTTLE counterclockwise and detect the1. Insert test disc TGYS-1.
focus bias value in which the C1 error rate becomes2. Turn the SHUTTLE to display OCPLAY MODE�.
220.3. Press the PLAY key to display OCPLAY MID�.
10. Press the PLAY key to display OC=## ####/�.4. OC=#### a=##� is displayed.
11. Confirm that the C1 error rate at that time is less than5. Confirm that the C1 error rate is less than 20.
50, then press the PLAY key.6. Press the STOP key to stop the playback, than press the
12. The display appears "]] �]] �]] (X" momentarilyEJECT key to take out a test disc.
and save the adjustment result in nonvolatile memory.3-8-2 MO error rate confirmation
After that "FBIAS ADJU" is displayed.1. Insert a continuously recorded disc ( refer to 3-4,
13. Press the EJECT key to take out a continuous recording"Creating the recordable continuous recording disc")
disc.2. Turn the SHUTTLE to display OCPLAY MODE�.
3. Press the PLAY key to display OCPLAY MID�.
Notes :4. OC=#### a=##� is displayed.
1. The relation between the C1 error and focus bias value5. Confirm that the C1 error rate is less than 50 and that
is shown in the figure below. Points Oa� and Ob� in theADIP error rate is 00.
figure are detected by the above adjustment. Focal6. Press the STOP key to stop the playback, then press the
position OC� is automatically obtained from points Oa� andEJECT key to take out a test disc.
Ob� by calculation.Note :The "#" display on the screen indicates an arbitrary
2. The C1 error rate fluctuates. Therefore, perform the
adjustment according to the observed mean value.figure.
C1 error
Focus bias value
9 |
ACEC
