Guide :Optics : ProStaff Laser 440 Rangefinder

Unit "cannot measure" at any distance

Target cannot be measured at any distance. I have put a new battery in the unit and problem remains. The lens is not obstructed. The unit worked great for about four months after I got it and then it just quit measuring.

Research, Knowledge and Information :

astronomical unit (AU, or au) | unit of measurement ...

astronomical unit (AU, ... the method cannot be ... separated observations of the transit of Venus across the Sun’s disk to measure the distance between Venus ...
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Units of measurement - Wikipedia

Units of measurement ... units of measure ... conveying to someone a particular length without using some sort of unit is impossible, because a length cannot be ...
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1.2 UNITS OF MEASUREMENT - California State University ...

... was established in which all units of measurement ... Distance is a fundamental unit, ... those unfamiliar with the variety of units used to measure distance ...
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A New Measure of Economic Distance

A New Measure of Economic Distance ... All these impediments to trade will be reflected in differences in unit costs. Any departure ... one cannot measure hours of ...
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Science 1222 Lab Measurement - Honolulu Community College

The standard value is called a unit. A measurement of any kind ... Measuring time is a little different than measuring distance. ... You cannot increase the ...
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List of unusual units of measurement - Wikipedia

List of unusual units of measurement ... The light-nanosecond was popularized as a unit of distance by Grace Hopper as the ... This unit of measure was also used ...
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A New Measure of Economic Distance - UNESCAP

A New Measure of Economic Distance ... observable; one cannot measure hours of labor per unit of Good 1 because of the way intermediate inputs are measured.
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Units of measure | F# for fun and profit

Defining units of measure. A unit of measure definition ... type inch let distance = 3. 0 < foot > // type inference for result let ... You cannot always use a ...
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Units of measure - Chem1

The examples shown here are only some of those that have been used to measure length or distance. ... over the various units of measure, ... than any other unit.
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Suggested Questions And Answer :

Unit "cannot measure" at any distance

Had the same problem... Pushed the mode button and the power button simultaneously for 30 seconds, then it worked again...
Read More At : ProStaff Laser 440 Rangefinder...

My nikon prostaff laser 440 rangefinder just quit working one day in the stand. it worked fine the night before and now will not give me the range. everything works but it will not give me the distance. any ideas?? should i throw it away? its about 6 yrs old.

Bent the metal contact up at the bottom of the battery case as suggested and it solved my problem
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Leica disto classic 5a

The optical lens of a laser rangefinder must always be kept clean for optimal performance.The most common cause for a reduced range on this devices, is caused by dirty, or defective lens.If the lens are dirty, on the outer or inner side, or they are opaque or defective, or there is wet inside the lens, than that is the cause for the sensibly reduced range.
Read More At : DISTO A5 Rangefinder...

Wont measure distance - Nikon Archer's Choice Laser Rangefinder

Must see if the battery is in correct polarity and is set right . If power comes without any measurement, thenit is possible that the laser is not active , the beam is not readback , the processing is faulty for the return signal. Might have the main board processor faulty.
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Yardage pro 1000

Has laser been cleaned properly?
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Distance measurements do not appear past 50 yards. Is it possible to reset as distance was once able to record up to 300 yards?

Sorry there is no way to reset the rangefinder. You will need to call Nikon Technical Support 8AM - 2AM (Eastern)7 days a week 1-800-Nikon-US1-800-645-6687
Read More At : ProStaff 550 Laser Rangefinder...

Have no manual,how do i read distance? - Nikon ProStaff Laser 440 Rangefinder

You may download a copy of the manual here.
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