Manufacturer’s Recommendation for Setting up a Theodolite 1) Ensure that :- the tripod head is approximately level the tripod feet are firmly fixed in the ground This should be done BEFORE removing the theodolite from its box.

Tripod Head Horizontal Height - middle to upper chest height Feet - Dug into ground (if possible)

Manufacturer’s Recommendation for Setting up a Theodolite 1) Ensure that :- the tripod head is approximately level the tripod feet are firmly fixed in the ground This should be done BEFORE removing the theodolite from its box. 2) Place the theodolite on top of the tripod, and tighten the centring screw to clamp the theodolite centrally on the tripod head.

Hold Theodolite by handle Attach to tripod head Do not let go of handle until theodolite is attached to tripod.

Tribrach Levelling Screw or Foot Screw Trivet

For accurate levelling Plate Bubble Pond Bubble For approximate levelling

Standing axis Slow motion tanget screw (up / down) Internal Focus (For sighting object) Collimation Axis Slow motion tanget screw (left / right) Trunnion axis Eyepiece Focus (For cross hairs) Telescope clamp (up / down) Upper plate clamp (left / right)

All three axes should be mutually at right angles Collimation Axis Standing Axis Trunnion Axis All three axes should be mutually at right angles Select “Setting up a theodolite --- 2”