4-5. SELECTING THE TEST MODE
There are 24 types of test modes as shown below. The groups can be switched by rotating the AMS knob. After selecting the group to be used, press the YES button. After setting a certain group, rotating the AMS knob switches between these modes.
Refer to “Group” in the table for details selected.
All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.
Display | Contents | Mark |
|
| Group (*) |
| |
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TEMP CHECK | Temperature compensation offset check |
|
| C |
| S |
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LDPWR CHECK | Laser power check |
|
| C |
| S |
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EF MO CHECK | Traverse (MO) check |
|
| C |
| S |
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EF CD CHECK | Traverse (CD) check |
|
| C |
| S |
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FBIAS CHECK | Focus bias check |
|
| C |
| S |
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S curve CHECK | S letter check | (X) |
| C |
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VERIFY MODE | (X) |
| C |
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| |
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DETRK CHECK | Detrack check | (X) |
| C |
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TEMP ADJUST | Temperature compensation offset adjustment |
|
|
| A | S |
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LDPWR ADJUST | Laser power adjustment |
|
|
| A | S |
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EF MO ADJUST | Traverse (MO) adjustment |
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| A | S |
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EF CD ADJUST | Traverse (CD) adjustment |
|
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| A | S |
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FBIAS ADJUST | Focus bias adjustment |
|
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| A | S |
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EEP MODE | (X) (!) |
|
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|
| D | |
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Impossible | No function | (X) |
|
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| D |
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ERR DP MODE | Error history display, clear |
|
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| S |
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ADJ CLEAR | Initialization of |
|
|
| A | S |
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AG Set (MO) | Auto gain output level adjustment (MO) |
|
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| A | S |
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AG Set (CD) | Auto gain output level adjustment (CD) |
|
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| A | S |
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Iop Read | IOP data display |
|
| C |
| S |
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Iop Write | IOP data write |
|
|
| A | S |
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S40 @@.@@ | Microprocessing version display |
|
| C |
| S |
|
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CPLAY MODE | Continuous play mode |
|
| C | A | S | D |
|
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CREC MODE | Continuous recording mode |
|
| C | A | S | D |
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| Group (*) |
|
|
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| |
|
| C: Check |
| A: Adjust | |||
|
| S: Service |
| D: Develop | |||
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
For details of “ERR DP MODE”, refer to
•If a different mode has been selected by mistake, press the MENU/NO button to exit that mode.
•Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the MENU/NO button to exit the mode immediately. Be especially careful not to set the modes with (!) as they will overwrite the
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