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Symbol MiniScan MSXX07 Series Integration Guide
Calculating the Usable Scan Length Method
Calculate usable scan length as follows (see
):
L = 1.8 x (D+d+B) x Tan (A/2)
where:
D = Distance (in inches) from the front edge of the host housing to the bar code.
d = The host housing’s internal optical path from the edge of the housing to the front of the MiniScan scanner.
B = Internal optical path from the scan mirror to the front edge of the MiniScan scanner.
A = Scan angle in degrees.
Figure 2-8
Usable Scan Length Diagram
Table 2-1
Calculation Constants
Constants
B
A
MS1207FZY (Default Mode)
1.17
42°
MS1207FZY (Alternate Mode)
1.17
30°
MS1207WA
1.17
60°
MS2207
1.53
34°
MS2207VHD
1.53
34°
MS3207
1.93
34°
NOTE
Usable scan length determined by this formula, or 90% of scan line at any working distance. This formula
is based on good quality symbols in the center of the working range and length of bar code.
MiniScan
Host System
d
D
A
Bar
Code
B
1/2 L
1/2 L
L
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