KV-N1058X, KV-N1028X, KV-N1058Y, KV-N1028Y - Panasonic Other Service Manuals Service Manual (repair manual). Page 51

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51
Focus
1. Click "Focus" on the test menu.
2. Select a side (Front or Back) resolution. (300dpi or 600dpi) 
3. Set the value of Gain.(Value:0 to 255)
4. As required, set "Shading Correction" by checking check 
box so that the image sensor output-level after Shading 
Correction can be seen.
5. Check "White" of the Background Color and click "START" 
to monitor the image sensor waveform. Refer to Remark's 
table.
6. Click "STOP".
7. Check "Black" of the Background Color and click "START" 
to monitor the image sensor waveform. Refer to Remark's 
table.
8. Click "STOP".
9. Click "Close" to return to the test menu.
*It is possible to change the background color while testing.
Note
This operation indicates a 
sensor output waveform.
If the waveform has any 
partial depression or uplift, 
clean the Scanning Glass (F) 
or Scanning Glass (B).
If the waveform rises overall 
with black background or 
drops overall with white 
background, check 
followings.
a. LED lights of CIS
b. The positioning of the 
Background Plate.
c. The output signal of CIS
Output Level
Item
Operation
Default
Remarks
Background Color : White, Shading Correction :ON
   ---Normal---
Background Color : Black, Shading Correction :ON 
   ---Normal---
Back ground Color
Shading Correction
Good Result
     (Level)
50 or more
around 0
Black
 ON
White
 ON
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