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10 SETTING THE PRISM CONSTANT VALUE
10 SETTING THE PRISM CONSTANT VALUE
The prism constant value of Topcon is set to zero. When using prism other than Topcon's, it is
necessary to set the prism constant correction value of that specific prism.
Once you set the correction value for prism constant, it is retained after power is OFF.
l Setting the prism constant value is in the STAR key mode.
l Setting example : The prism constant value : -14mm
Operating procedure Operation Display
1
Press STAR (H) key.
Press the [F6] key twice to get the page three.
[H]
[F6] twice
2
Press the [F2] key.
Current setting value is displayed.
[F2]
3
Move the cursor (>) to psm setting by
pressing [F5]((→, ←) key or [F6](
↓
,↑) key.
Move
cursor
4
Input the Prism constant correction value and
press the [ENT] key.
*1)
Enter
value
[ENT]
The display returns STAR key menu.
*1) Input range : -99.9mm to +99.9mm, 0.1mm step
2003-10-10 14:30:40
3
↓
20.0 °C
-5.1ppm
-2.0 mm
1012.0hPa
prism setting
20.0 °C
5.1ppm
+14.0 mm
1012.0hPa