Precautions and maintenance methods for using a handheld rangefinder
Maintenance
① Always check the appearance of the instrument and remove the dust, grease, mildew, etc. on the surface in time.
② Use a soft dry cloth when cleaning the eyepiece, objective lens or laser emission window. It is strictly forbidden to scratch with hard objects, so as not to damage the optical performance.
③ This machine is a high-precision instrument integrating light, machine and electricity. It should be handled with care during use, and it is strictly forbidden to squeeze or drop it from a high place to avoid damage to the instrument.
Precautions
The handheld laser rangefinder uses lasers for distance measurement, and the pulsed laser beam is a monochromatic light source with very concentrated energy, so do not use your eyes to look directly at the launch port, and do not use an aiming telescope to observe the smooth reflective surface. , so as not to hurt people's eyes.
Be sure to measure according to the safe operation specifications in the instrument manual.
When measuring in the field, do not point the transmitter port of the instrument directly at the sun to avoid burning out the photosensitive element of the instrument.
