LG CED-8042B Manual page 67

D. LD Test (Check VRDC/VWDC/FPD Level value)
1. Take out disc on Tray.
2. Select "LD Inspection" - "Laser Inspection" on menu.
3. Click "Trigger" on 'Laser Power Test' window –> Results will
come out after testing.
(Test Result will be displayed with 'OK or NG' on each item.)
4. Close 'Laser Power Test' window.
E.LD Power Setup (VWDC1/VWDC2 re-setup)
1. Take out disc on Tray.
2. Select "LD Inspection" - "Laser Power Setup" on menu.
3. LD Power meter Setup
(Frequency : 780nm, Measure Range : 0.01mW unit).
4. Click "LD On" on 'LD Power Setup' window.
–> Pick-up will move outside.
–> Laser will be emitted from LD.
5. Measure LD Power with LD Power meter.
–> Type the result on blank.
(Type without '.' Down to two places of decimals.
(ex) 11.34mW ==> 1134)
6. Click "Setup". –> Result will be displayed with 'OK or NG'.
7. Close 'LD Power Setup' window.
F. LD On
1. Take out disc on Tray.
2. Select "LD Inspection" - "LD ON" on menu.
3. Select "LD ON Mode" on 'Laser On' window. –> Click "On".
–> LD On
4. Execute Test (Measure LD Power).
5. Click "Off". –> LD Off
6. Close 'Laser On' window.
* Speed setting is valid on "CD-R Recording Mode" & "CD-RW
Recording Mode".
"VRDC Loop", "VWDC-1 Loop" and "VWDC-2" Mode output
continuous Laser.
"CD-R Recording Mode" and "CD-RW Recording Mode" output Laser
Pulse like real writing.
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[LD Power Test window]
[LD Power Test window]
[LD On window]