6
Checking and Adjustment
172
Pulse Laser Station NPL-302 Series Instruction Manual
Zero Point Errors of Vertical Scale and Horizontal
Angle Corrections
6.1
Checking
61.1
1.
Set up the instrument on the tripod.
2.
Follow the leveling procedures described in Leveling, page 16.
3.
Flip the telescope to the Face-1 position.
4.
Sight a target that is within 45° of the horizontal plane.
5.
Read the vertical angle from the VA1 field in the Basic Measurement Screen
(BMS).
6.
Rotate the instrument 180° and flip the telescope to the Face-2 position.
7.
Read the vertical angle from the VA2 field.
8.
Add the two vertical angles together, VA1 + VA2.
–
No adjustment is required if the zero reference for vertical angles (VA zero
setting) is set to Zenith, and VA1 + VA2 equals 360°.
–
No adjustment is required if the zero reference for vertical angles (VA zero
setting) is set to Horizon, and VA1 + VA2 is either 180° or 540°.
–
An adjustment is required if VA1 + VA2 is not one of the values listed above.
Note –
The difference between the vertical angle reading the relevant angle
(either 360° for Zenith, or 180° or 540° for Horizon) is called the
altitude
constant
.
Adjusting
60.1
To enter the calibration screen, press
[MENU]
and
[7]
.
1.
The NPL-362/352 has two-axis level
compensation. Take an F1 measurement to a
target on the horizon. Press
[ENT]
.
The vertical angle is shown in the
V0 dir= Horiz setting.
VA1
Face-1 vertical angle (tilt-off value)
HA1
Face-1 horizontal angle (tilt-off value)
Содержание NPL-302 Series
Страница 1: ...H163E 05 10 TF 9 Pulse Laser Station NPL 302 Series Instruction Manual NPL 332 NPL 352 NPL 362 ...
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Страница 5: ...Safety 1 In this chapter Q Introduction Q Laser Safety Q Warnings and Cautions ...
Страница 12: ...Safety xii Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 28: ...1 Introduction 8 Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 46: ...2 Preparation 26 Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 82: ...3 Getting Started 62 Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 188: ...5 Menu Key 168 Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 196: ...6 Checking and Adjustment 176 Pulse Laser Station NPL 302 Series Instruction Manual ...
Страница 208: ...8 System Diagrams 188 Pulse Laser Station NPL 302 Series Instruction Manual ...