Options
Marathon MM Rev. D7 Jul 2017 49
8 Options
Options are items that are factory installed and must be specified at time of order. The following are
available:
• Laser Sighting (…L) or Video Sighting (…V)
• Air/Water Cooled Housing including air purge
• Manufacturer's Calibration Certificate based on certified probes traced on national standards, e.g.
DAkkS (XXXMMCERT)
• Variable Focus (…VF1), see section 3.2.1 Variable Focus, page 16
8.1 Laser Sighting
The laser sighting allows fast and precise aiming at small, rapidly moving targets, or targets passing at
irregular intervals. The laser is specially aligned with the sensor’s lens to provide accurate, non-parallax
pinpointing of targets. The laser comes as a small, bright red spot indicating the center of the area being
measured.
Figure 28: Spot Size Indication
For activating the laser sighting see Figure 13: Operation Modes on page 35.
The laser is a Class II, AlGaInP type laser with an output power less than 1 mW, and an output
wavelength of 650 nm. The laser complies with FDA Radiation Performance Standards, 21CFR,
subchapter J, and meets IEC 825, Class 2 specifications.
WARNING!
Avoid exposure to laser light! Eye damage can result.
Use extreme caution when operating!
Never point at another person!
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