Sunday, November 23, 2014

Taking Measurement Angle 1. Set the tripod so that more hubs. Note: Make sure the tripod is stable


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Taking Measurement Angle 1. Set the tripod so that more hubs. Note: Make sure the tripod is stable and the tripod head is relatively level. 2. Hang bob - plumb plumb of hooks - bob on the tripod. Note: Make sure the plumb bob - complete hub. 3. Attach the instrument to a tripod. 4. Center - bob perpendicularly above the pin on the hub by varying the length of the tripod legs or by shifting the instrument on the tripod. 5. Accurately align the telescope with the first target using the sighting guides and a horizontal tangent button. Note: The first target is a known point. 6. Rotate ring to 0 horizontal rotation on the index angle parallel to the angle index reading. canopy 7. Accurately align the telescope to the second canopy target and read the angle.


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