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disqualify it from proper use.
Check the sturdiness and proper fit of the mounting system.
Ensure that the objective lens and eyepiece are free of cracks, grease spots,dirt, water stains and other residue
before use.
Visually inspect the condition of the battery and the battery compartment; the battery should be free of electrolyte
and oxidation residue, especially where the battery makes contact with metal.
Verify the proper function of the following: selector switch, display brightness adjustment knob and other
operation buttons.
Verify the smoothness of the objective lens focus knob, dioptre focus knob.
WARNING AND PRECAUTIONS
• Avoid dropping or otherwise shocking the unit. Although designed for rugged outdoor use, this device
incorporates sophisticated digital circuitry which could be damaged in extreme cases of misuse.
• Do not open the body of the device or otherwise attempt to service this device.
• Never pour alcohol or any other liquids directly onto the lens surfaces.
• Do not clean lenses and unit surfaces with paper based products, such as newspaper, textbook paper, etc. as it
can damage the coating.
• Avoid removing the eyepiece as the LCD display could become damaged.
• Do not leave the device in direct sunlight or rain. The unit is water resistant, but is not designed for prolonged
exposure to moisture and cannot be submerged in water.
• After the unit is operated in temperatures below zero, wait at least 3 hours at room temperature, to avoid
condensation accumulating on the internal lens surfaces and the consequent fogging caused by extreme temperature
differences.
