- 91 -
changing after strict inspection , you need to calibrate it, set
the instrument additive constant according to the comprehensive
constant K value . Such as: the K has been measured as -5
according to the method above, and the original instrument
constant is -20, so the new value should be set as -20-(5) =-15;
Input-15 through "menu-> 6-> 3" and then confirm.
·
Use the vertical line of the reticle to orientate, make A, B and
C at the same line accurately. There must be a clear mark for
point B the ground to focus on.
·
Whether the prism center of B coincide with the instrument
centers is the guarantee of checking the accuracy, so, you had
better use tripod and all-purpose tribrach, for example, if you
change the three hand type prism connector with tribrach, keep
the tripod and tribrach stable, just change the prism and the part
above tribrach of instrument, and it can reduce the error of
misalignment.
1
1
1
17
7
7
7.9
.9
.9
.9
The
The
The
The
parallelism
parallelism
parallelism
parallelism
of
of
of
of
collimation
collimation
collimation
collimation
axis
axis
axis
axis
and
and
and
and
photoelectricity
photoelectricity
photoelectricity
photoelectricity axis
axis
axis
axis
·
Checkout
Checkout
Checkout
Checkout
1.
1.
1.
1.
Set up the reflecting prism 50 meters long from the instrument.
2.
2.
2.
2.
Focus on the reflecting prism center with telescope crosshair
accurately .
3.
3.
3.
3.
Through the key [
★
]-> parameters-> signal, observe
maximum value of the signal, find the center of the launch axis.
4.
4.
4.
4.
Check whether the telescope crosshair center coincide with
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