Thank you for choosing RUIDE theodolite RT-2.
Please read this manual carefully before use.
PRECAUTIONS
a. Do not collimate the objective lens directly to the sun without a filter.
b. Do not store the instrument in extremely high or low temperature.
c. When the instrument is not in use, store it in the case and avoid shock, dust and humidity.
d. If there is great difference between the temperature in work site and that in store place, leave the
instrument in the case until it adapts to the temperature of environment.
e. If the instrument will not be used for a long time, remove the battery for separate storage. The
battery should be charged once a month.
f. During transportation, the instrument should be placed in the carrying case.
g. For better accuracy, the instrument should be set up on a wooden tripod rather than an aluminum
tripod.
h. Clean those exposed optical parts with degreased cotton or tissue only.
i. Clean the instrument surface with a woolen cloth after use. If it gets wet, dry it immediately.
j. Before turning on, inspect the power, functions and indications of the instrument as well as its initial
setting and correction parameters.
k. Do not attempt to disassemble the instrument without professional technical support and guidance.
l. Do not aim the laser plummet with eyes.
m. Keep the screen clean. Do not scratch the screen with sharp objects.
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