APRESYS Pro550, Руководство пользователя

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Remove the Posi-Thread™ battery door by lifting the battery door tab and then rotating
counter clockwise. Insert a
CR2 3-volt lithium battery into the compartment negative end first, then replace the
battery cap.
NOTE: It is recommended that the battery be replaced at least once every 12 months.
7. 7. 7. 7. C C C CAUTION AUTION AUTION AUTION
7.1 The measuring distance of this laser range finder monocular has something to do with
the target's character, transmitting beams with the angle of the target's surface and the
weather visibility. In general, if the surface of the target is smooth, bright and large, the
beams are upright to the surface of the target and the weather is clear, the longer distance
can be measured, whereas the shorter distance will be made by the device.
7.2 When " " (low battery indication) appears, battery should be changed in time,
otherwise the measuring errors will be increased. If the device is not used for a long time,
it's better to take out the battery from the housing.
7.3 Never touch the surface of the lens so as to prevent the coating from damages during