Symbol SE 923, Integration Manual

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2-8
SE-923 Scan Engine Integration Guide
Table 2-1. Exit Window Distance from Scan Engine
Distance from Scan Engine
on center line (in.)*
0.15 0.2 0.25 0.5 0.75 1.00 1.50 2.00
Minimum Window Height (WH) (in.)
0.218 0.226 0.234 0.272 0.308 0.345 0.417 0.489
Minimum Window Width (in.) 0.500 0.551 0.568 0.809 1.049 1.290 1.770 2.253
Window Center (CH) (in.)**
0.181 0.183 0.186 0.196 0.207 0.218 0.204 0.262
* Distance from edge of scan engine to inner side of window.
** CH increases with distance due to the 2° 30’ beam deviation to the horizontal base of engine.
Table 2-2. Exit Window Tilt Angle
Distance from Scan Engine
on center line (in.)*
0.15 0.2 0.25 0.5 0.75 1.00 1.50 2.00
Case 1
Minimum Window Tilt
Uncoated 38.5° 33.5° 29° 20° 15.5° 13° 11° 9.5°
Minimum Window Tilt One
Side A/R Coated 30.2° 26.5° 23.5° 16.7° 13.2° 11.5° 10° 8.7°
Minimum Window Tilt Two
Sides A/R Coated 22° 19.5° 18° 13.5° 11° 10° 9° 8°
Case 2
Minimum Window Tilt
Uncoated 40.5° 36° 32° 24° 20° 18° 15.5° 14.5°
Minimum Window Tilt One
Side A/R Coated 33.7° 30.2° 27.5° 21.2° 18.5° 16.5° 14.7° 13.7°
Minimum Window Tilt Two
Sides A/R Coated 27° 24.5° 23° 18.5° 17° 15° 14° 13°
When window is in the vertical position,
θ
= 0°
All angles are with respect to the vertical plane.
A/R - Anti-Reflective Coating.
* Distance from edge of scan engine to inner side of window.