Always observe the following precautions:
When operating the device, keep it stable if possible to avoid
violent shaking.
· Do not use or store the instrument at a place with the operating or
storage temperature beyond the allowable range.
· Do not align the device directly with high-intensity thermal radiation
sources, such as the sun, a laser and a spot-welder.
· Do not expose the device to the dusty or humid environment.
When using the device in an environment with water, do not
splash water on it. When the device is not in service, cover the
lens cap.
· When the device is not in service, put it and its accessories in the
dedicated packing box.
· Do not block the holes on the device.
· Do not beat, throw or shake the instrument and its accessories to
ensure intactness.
· Do not disassemble the device by yourself. Otherwise, you may
damage the device and void your warranty.
· Do not use the accompanying SD card for other purposes.
· Do not use the device at a place with the operating temperature
beyond the specified value. Otherwise, the device may be
damaged.
· Do not use deliquescent or equivalent liquid for the device and
cables. Otherwise, the device may be damaged.
· After the eyepiece is used for long time, its contrast will be lowered,
and the scene will be whitened. You can switch to the LCD display,
and switch back to the eyepiece some time later.
PRECAUTIONS
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