SECTION 4
TEST MODE
4-1. PRECAUTIONS FOR USE OF TEST MODE
1As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is
stopped before setting and removing it.
Even if the ¤EJECT button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the ¤EJECT button after pressing the EDIT/NO button and the rotation of disc is stopped.
2The
4-1-1. Recording laser emission mode and operating buttons
1.Continuous recording mode (CREC MODE)
2.Traverse adjustment mode (EFBAL ADJUST)
3.Laser power adjustment mode (LDPWR ADJUST)
4.Laser power check mode (LDPWR CHECK)
5.When pressing the rREC button.
4-2. SETTING THE TEST MODE
While pressing the AMS knob, insert the power plug into the power supply outlet, and release the AMS knob.
4-3. EXITING THE TEST MODE
When the 1/u button is pressed, it becomes in the STANDBY mode. Or unplug the power plug from an outlet.
4-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the AMS knob, YES button, and EDIT/NO button.
The functions of these buttons are as follows.
Function name | Function |
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AMS knob | Changes parameters and modes |
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YES button | Proceeds onto the next step. Finalizes input. |
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EDIT/NO button | Returns to previous step. Stops operations. |
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4-5. SELECTING THE TEST MODE
Thirteen test modes are selected by turning the AMS knob.
Display | Contents |
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TEMP ADJUST | Temperature compensation offset adjustment |
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LDPWR ADJUST | Laser power adjustment |
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LDPWR CHECK | Laser power check |
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EFBAL ADJUST | Traverse adjustment |
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FBIAS ADJUST | Focus bias adjustment |
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FBIAS CHECK | Focus bias check |
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CPLAY MODE | Continuous playback mode |
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CREC MODE | Continuous recording mode |
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DETRK CHECK | Detrack check |
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S curve CHECK | S curve check ∗ |
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EEP MODE | |
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MANUAL CMD | Manual command transfer mode ∗ |
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SVDATA READ | Data reading out mode ∗ |
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For detailed description of each adjustment mode, refer to “5. Electrical Adjustments”.
If a different adjustment mode has been selected by mistake, press the EDIT/NO button to exit from this mode.
*The EEP MODE, S curve CHECK, MANUAL CMD and SVDATA READ are not used in servicing. If set accidentally, press the EDIT/NO button immediately to exit this mode.
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