User's Manual

Table Of Contents
Stonex R80 Robotic Total Station - User Manual 62
4. Repeat steps 2 and 3 until laser spot coincides with cross mark always when rotate instrument.
NOTE: there are three screws amounted around laser plummet
part, only two screws are used for laser accuracy adjustment.
8.6. Vertical cross-hair on telescope
I. Check
1. Set the instrument up the tripod and carefully level it.
2. Set a point A front the instrument 50m apart;
3. Collimate the point A and adjust the vertical tangent screw; If the point appears to move continuously on the
hair, adjustment is not required. Otherwise, adjust it.
II. Adjustment
1. Set the instrument and set the point A front the instrument 50m apart.
2. Take off cover of telescope eyepiece, there are 4 screws for the reticle part.
3. Loosen all four fixing screws slightly with the cross screw-driver.
4. Revolve the eyepiece section so that the vertical cross-hair coincides to point A, finally, re-tighten the four
screws.
5. Repeat the checking and adjusting until there is no deviation.
NOTE: After the adjustment of cross-hair, please check the collimation error and vertical index error, see 8.7. EDM
optical axis and the telescope sighting axis error.
Un-adjustable
screw
Adjustable screw