User Manual

Total Station Manual
28
Steps Key Display
ƻ
1
After entering to the
interface of EDM
Setting,using the direction of
Ę
to move the cursor to the
setting item of P.C.
Ę
ƻ
2 Enter the prism constant
value and press the key of
[ENT].
Ć
1
Ć
2
Ć
3
[ENT]
ƻ
3
After finished setting,
press [F3](OK) to return the
function of Q-Surveying.If
you want to cancel the
settings, press [ESC] to ignore
the changes.
[F3]
Ć
1
: Prism constant you enter is effective only when the reflector mode isPrism.
Ć
2
: The range of Prism constant value: -99mm

+99mm.
Ć
3
: Range mark: In the bottom right corner of the page as shown above, this mark is
the distance Range identifier, where R4 represents 400m, L6 stands for 600m, and so
on. That is the maximum distance from the prism-free mode range in good weather
conditions (visibility is not less than 30km).
2.2 Atomosphere setting
Refraction:
When measuring horizontal distance and elevation, our instrument corrects the
atmospheric refraction and the earth curvature automatically.
The instrument supports of atmospheric refraction coefficient have three option,
they are 0.00, 0.14, and 0.20.
Note: The refraction of instrument has been set for K=0.00 when left factory .It also
can be set to other values