11-1
11 SETTING THE PRISM / NON-PRISM CONSTANT VALUE
11
SETTING THE PRISM / NON-PRISM CONSTANT
VALUE
The prism constant value of Topcon is set to zero. When using prisms 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.
Note:
Confirm the non-prism constant value is set at 0 when measuring target such as walls in
Non-prism mode.
Operating procedure
Operation
Display
1
Press the [F4] key to get the soft key page 2 in the
distance measurement mode or page 3 in the
coordinate measurement.
[F4]
2
Press the [F3](S/A).
[F3]
3
Press the [F1](PRISM) key.
[F1]
4
Select prism or non-prism constant correction
value by pressing the [
▼
] or [
▲
] key.
PRISM: Prism Constant Correction Value
N-PSM: Non-prism Constant Correction Value
[
▼
] or [
▲
]
5
Input the Prism constant correction value. *1)
The display returns to set audio mode.
[F1]
Enter data
[F4]
*1) Refer to Section 2.6 “How to Enter Alphanumeric characters”.
●
Input range : –99.9mm to +99.9mm,0.1mm step
HR: 120°30'40"
HD* 123.456 m
VD: 5.678 m
MEAS MODE NP/P P1
↓
OFSET S.O S/A P2
↓
PSM:0.0 PPM 0.0
NPM:0.0
SIGNAL:[
❙
❙
❙
❙
❙
]
PRISM PPM T-P –––
PRISM CONST. SET
PRISM
→
0.0 mm
N-PSM :0.0 mm
INPUT ––– ––– ENTER
PRISM CONST. SET
PRISM :0.0 mm
N-PSM
→
0.0 mm
INPUT ––– ––– ENTER
PSM:14.0 PPM 0.0
NPM:0.0
SIGNAL:[
❙
❙
❙
❙
❙
]
PRISM PPM T-P –––
Summary of Contents for GPT-3000W Series
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