I have a Nikon LR 550 how do you change from meter to yards

Question moved from MISC to Gold Buddy category.

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Yards and meters - GB VOICE2 GPS - GOLFBUDDY

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Jan 15, 2020 - To change your GB Voice2 from yards to meters or vice versa press and hold the ( ) button on the Golf Mode screen to change between Yards or ...

UNIT OF MEASURE OPTIONS The YARDAGE PRO TOUR can be used to measure distances in yards or meters. The unit of measure indicators are located in the upper right portion of the LCD. To select between yards and meters, look through the monocular, depress the "mode" button (left side of the unit underneath the BUSHNELL YARDAGE PRO logo) and hold it down for approximately 2 seconds. If you are changing from yards to meters, a change in unit of measure will be indicated by the illumination of the letter M for METER indicator while the YD for YARD indicator is turned off. If you are changing from meters to yards, the opposite will occur. Note: The YARDAGE PRO TOUR will return to the last setting used, each time the unit is turned on.

5.1 Distance : Unit of Measurement This setting allows you to change your distance measurement from yards to meters. The default setting is set to yards. ? The tab next to "Distance Unit" in the tools menu, shows the current unit of measurement that your unit is set to. To change from yards to meters and vice-versa, touch the tab, and then touch "Done" on the bottom of the screen, to save the setting. https://golfbuddyglobal.com/doc/usermanual_worldplatinum.pdf

1 yard = .9144 meters
I am guessing that is not the answer you want but more like how to change the reading from yards to meters on your compact 800 measuring unit
read the user manual to find the mode button and select distance or yards and change to meters
no manual , download one from the web site for the manufacturer

MODE and UNIT OF MEASURE OPTIONS

The TOUR V3 can be used to measure distances in yards or meters. The unit of measure indicators are located in the lower
right portion of the LCD. To select between yards and meters, press and hold the POWER/FIRE button. The display will
begin to cycle through the setup options: Yards w/JOLT, Yards, Meters w/JOLT, Meters (for details on the JOLT feature,
see "About JOLT"). When the units and JOLT mode you want to use are displayed, release the POWER/FIRE button to
select it. If you are changing from yards to meters, a change in unit of measure will be indicated by the illumination of the
M for meter indicator while the Y for Yard indicator is turned off. If you are changing from meters to yards, the opposite
will occur. The TOUR V3 will return to the last unit of measure setting used each time the unit is turned on.

The TOUR V3 can be used to measure distances in yards or meters. The unit of measure indicators are located in the lower right portion of the LCD. To select between yards and meters, press and hold the POWER/FIRE button. The display will begin to cycle through the setup options: Yards w/JOLT, Yards, Meters w/JOLT, Meters (for details on the JOLT feature, see "About JOLT"). When the units and JOLT mode you want to use are displayed, release the POWER/FIRE button to select it. If you are changing from yards to meters, a change in unit of measure will be indicated by the illumination of the M for meter indicator while the Y for Yard indicator is turned off. If you are changing from meters to yards, the opposite will occur. The TOUR V3 will return to the last unit of measure setting used each time the unit is turned on.

550 yards is about 601.5 metres.

Same problem. Conclusion: just because it has the NIKON name does not mean it is not a piece of Chinese junk.

I didn't find the Prostaff laser 440 rangefinder on the website for Nikon.com, but I did find the 550 model. The specs follow:
Specifications

• Measurement Range 11-550 yds
• Increment Reading 0.5/1 yds
• Magnification 6x
• Angular Field of View (Real) 6°
• Angular Field of View (Apparent) 34.9°
• Viewfinder Display meters/yards
• Eye Relief 18mm
• Diopter Adjustment +/-4°
• Power Source 1 CR2 Lithium Battery
• Size (Length x Width x Height) 5.1 x 1.5 x 2.7 in
• Weight w/o Batteries 6.3 oz
• Objective Diameter 21mm
• Exit Pupil 3.5mm
• Supplied Accessories CR2 lithium battery.
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I did not read that there is a recalibration for the unit, although a consumer might expect that. Has it ever been dropped to your knowledge?

http://nikon.com/products/sportoptics/support/index.htm

The above link has contact information for service of the unit via telephone numbers.

M (Manual).

You won't get autofocus, nor will you get any metering. It's completely manual.