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APPENDIX B. OPTICAL ADJUSTMENT (ELECTRICAL)
B.4.2. Adjustment
The following pages describe the adjustment procedures, along with the
prompts that appear on the screen. After finishing the adjustments, turn off
the scanner, and reassemble the scanner.
1. Type =, then press Enter.
Usage:[= command])
[ = ] is the SBU volume ajustment command.
<<<< = command menu >>>>
=0 : Print usage
=1 : All ajustment
=2 : Ajust gain curve
=3 : Ajust white odd/even
=4 : Ajust white levek ( absolute )
=5 : Ajust white levek ( relative )
=6 : Comfirm gain curve
=7 : Culcurate white level
Notice: (1) Make sure [ p command is already send ]
ex. p100 - move lump 100mm from home position
2. Type =1, then press Enter.
*******************************
**** Calcurate White Level ****
*******************************
Mesurement CCD output voltage (377usec after TP1's falling edge)
Input Data (CCD output voltage [mV]) =
3. Input 400 then press Enter.
Target White Level = [ 220 ]
[ Next : Hit Enter Key !! ]
4. Press the Enter key. The Gain Curve Adjustment begins.
**************************
**** AJUST GAIN CURVE ****
**************************
---- Put the Gray Chart on the Lamp position !! ----
<< Then , Hit Enter Key >>
5. Move the 1st carriage to the position of the gray chart.
6. Press the Enter key.
<<<< AGC=11 >>>>
<<<< Absolute white level (W1) >>>>
Ajust VR4 : [X]== 220 +/- 2
**** Image Data (#3584) **** [ Exit : '!' key ]
005,002,222,217 (217,215 <+>002) [216]
[X]
Ave-(O:216,E:215 <+>002) [215]
B-4
October 9th, 1995
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