Metrologic Instruments IS4921 - Manual (Page 20)

14
Optical Clearance Specifications
The window size and enclosure design must provide unobstructed clearance for the illumination and targeting
areas shown below in figures 14 and 15 to avoid optical interference that decreases the engine's performance.
IS4910
Figure 14. IS4910 Optical Clearance Specifications
IS4911
Figure 15. IS4911 Optical Clearance Specifications