Sight mark Twilight - Care and Cleaning; Cleaning Procedures

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CARE AND STORAGE:
• Do not subject the digital NV device to shock or impact. Do not drop.
• Turn o the device when not in use and when carrying the unit.
• The device can be used in daylight as well as nighttime conditions.
• After using the device in cold temperatures, please, wait up to 2-3 hours before using the device in the warm
temperatures. This helps prevent condensation on the lenses
• Do not leave the device in direct sunlight or rain.
• Water, sand, dust, and salt can damage the device.
• Do not connect stray devices (headphones, for example) to the «Video» port. This may disable your device.
• When focusing on the display (you can see the ne black net) 7 light or dark spots on the whole eld of view in the
image plane are acceptable.
• Design of the unit does not provide for adjustment of the IR-Illuminator..
CLEANING
• Do not scratch the external lens surfaces or touch them with your ngers.
• Clean the device’s lenses with optic/camera lens tissue or a clean cloth moistened with alcohol. You may use your
breath to mist the surface of the glass prior to wiping. Clean the device’s surfaces with alcohol if necessary and dry
thoroughly.
• The device’s plastic surfaces do not require special treatment. If necessary, clean the unit’s surfaces with a clean, soft
cloth and a petroleum-based jelly and dry thoroughly.
Important Note
Do not pour alcohol directly on the lenses. Do not clean lenses and unit surfaces with any paper, such as newspaper,
notebook paper, etc.: this can damage the coating.