7. Cleaning
Remove dust or dirt on the lens surface using a soft or oil free brush. Remove smudges
or ngerprints by gently rubbing with a soft or high-quality, oil-free tissue. You can use
photographic type lens cleaner or isopropyl alcohol to wipe the lens. Always apply the
uid to the cleaning cloth rst (DO NOT pour on the lens).
5. When “Speed Mode” is chosen, “speed” will appear in the LCD. Shortly press the “ ”
button, and speed mode starts. The speed data will display in 3 seconds. Otherwise, the
speed measurement fails due to the weak laser reection, and the LCD displays “----”.
Please keep aiming at the moving target.
If the measurement succeeds, the laser indicator “ ”will blink, with increasing quality
symbols “＞” in the LCD, and the speed data will display in the LCD.
Please keep aiming at the moving target in order to get the speed data. The direction of
speed measurement needs to be as in line with the direction of the moving target as
possible，otherwise the angle will aect the veracity of the data. In “Speed Mode”, the
LCD displays as below.
6. “M” and “Y” is respectively short for meters and yards. “Y/s” and “M/s” is respectively
short for yard per second and meters per second. Measurement units change by long
pressing the “MODE” button in each mode. In “Speed Mode”, When the speed unit is
“M/S”, the gures display as “28-9 M/S” when the data is measured as 28.9 M/S.
7. If the device idles over 30 seconds, it will automatically shut o.
8. When “ ”displays, please change the battery.
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