SERVICE PROGRAM 9 March 2004
5-10
4901
SBU White Level Adjustment
Black Display-Error [0 = Normal / 1 = Error] 4901 1
Displays the return code of the black-level adjustment. When an error is detected,
SC143 or SC145 is generated.
Black Feedback-EVEN
[0 ∼ 8191]
4901 2
Displays the feedback value of the even channels given by the SBU. Normally, the
value is 1, 2, 3, ..., 8188, 8189, or 8190. However, machine may operate normally
even when the value is 0 or 8191.
Black Feedback-ODD
[0
∼
8191]
4901 3
Displays the feedback value of the odd channels given by the SBU. Normally, the
value is 1, 2, 3, ..., 8188, 8189, or 8190. However, machine may operate normally
even when the value is 0 or 8191.
Black Display-Target
[0
∼
63 /
10
/ 1/step]
4901 4
Displays the target value for the black-level adjustment executed during machine
initialization. Normally, the value is 10. Other values indicate that the adjustment
has ended unsuccessfully.
White Target
[0
∼
511 /
511
/ 1/step]
4901 5*
Displays the target value for the white-level adjustment.
White Result
[0 ∼ 511 / 0 / 1/step]
4901 6
Displays the result of the white-level adjustment.
White Display-Error [0 = Normal / 1 = Error] 4901 8
Displays the return code of the white-level adjustment. When an error is detected,
SC143 is generated.
White Display-Overflow [0 = Normal / 1 = Error] 4901 9
Displays a return code of the white-level adjustment. The code “1” (error) is
returned if the adjustment result is not in the range of the values in SP4-901-6.
White Number of Attempt
[0
∼
20 / 0 / 1/step]
4901 10
Displays how many times the white-level adjustment is retried. The value does not
include the first execution of the white adjustment. For example, if the value is “2”,
this indicates that the white-level adjustment has been executed three times. The
white-level adjustment can be executed 20 times or less. Therefore, if the value is
“20”, this indicates that the white-level adjustment has ended abnormally (as
described, the value “20” does not include the first execution). If the white-level
adjustment is unsuccessful, the machine uses the result of the latest, successful
white-level adjustment.
Auto Adjustment Setting
[222 ∼ 281 / 256 / 1/step]
4901 11*
Displays the parameter of the white-level adjustment. The value is based on the
result of SP4-901-12.
Auto Adjustment-Result
[0
∼
600 / 0 / 1/step]
4901 12
Displays the result of the white-level adjustment. Normally, the value is between
228 and 281 (including the both values). When the value is normal, it is stored as
the value of SP4-901-11.
Auto Adjustment-Error [0 = Normal / 1 = Error] 4901 14
Displays a return code of the white-level adjustment. The code "1" (error) is
returned if the adjustment result value is less than 228 or larger than 281 (☛ SP4-
901-012).
4902*
Exposure Lamp ON [
0
: OFF / 1: ON]
4902 1
Turns the exposure lamp on or off. To turn on the exposure lamp, specify “1”; to
turn it off specify “0”.
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