Shutter_Upper
Address: 0x06
Access: Read
Reset Value: Undefined
Bit
7
6
5
4
3
2
1
0
Field
S15
S14
S13
S12
S11
S10
S9
S8
Shutter_Lower
Address: 0x07
Access: Read
Reset Value: Undefined
Bit
7
6
5
4
3
2
1
0
Field
S7
S6
S5
S4
S3
S2
S1
S0
Data Type: Sixteen bit unsigned integer.
USAGE: Units are clock cycles. Read Shutter_Upper first, then Shutter_Lower. They should be
read consecutively. The shutter is adjusted to keep the average and maximum pixel values
within normal operating ranges. The shutter value is automatically adjusted.
Shutter
120
110
100
90
80
70
60
50
40
30
20
Count
figure 23. Shutter values (white paper)
Mean Shutter vs Z (white Paper)
200
150
100
50
0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
Delta from Nominal Focus (mm)
Figure 24. Mea n Shutter vs. Z (white paper)
20
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
