Nikon Prostaff 3i Instruction Manual
![Nikon Prostaff 3i manual cover](/images/5b3b5393aff0966169b5e9d7/thumbs/thumb175x175.webp)
To change the measurement units, press and hold the mode button until the display shows the unit you want. Release the button when the desired unit is displayed.
Ensure that the battery is properly installed and has sufficient charge. If the device still does not turn on, try replacing the battery with a new one.
Use a soft, dry cloth to gently wipe the lenses. Avoid using any solvents or abrasive materials as they can damage the lens coating.
The Nikon Prostaff 3i has a maximum range of up to 650 yards for accurate measurements.
There is no direct reset function. To reset settings, remove the battery and reinsert it, then set your preferences again.
The Nikon Prostaff 3i uses a CR2 lithium battery.
In Distant Target Priority mode, the device will display the distance to the farthest object among multiple results. This mode is indicated by the mode icon on the display.
Ensure that the lens is clean and check for any obstructions. Verify that the battery is fully charged and that the device is set to the correct mode.
Yes, the Nikon Prostaff 3i is water-resistant and can be used in light rain, but it should not be submerged in water.
Rotate the eyepiece until the display and target are in sharp focus. Adjusting the eyepiece will not affect the measurement accuracy.