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14 DETACH/ATTACH OF TRIBRACH

14-1

14 DETACH/ATTACH OF TRIBRACH

The instrument is easily detached or attached to the tribrach.

• Detachment

1) Loosen the tribrach fixing screw.

2) Loosen the tribrach fixing lever by turning counterclockwise.

3) Lift the instrument straight upwards and off.

• Attachment

1) Coincide the white alignment piece on the lower part of the instrument with the tribrach

alignment groove.

2) Tighten the tribrach fixing lever firmly by turning clockwise.

3) Tighten the tribrach fixing screw.

• Locking the Tribrach Fixing lever

The tribrach fixing lever can be locked from being moved accidentally. This is useful if the upper

instrument section is not being detached very often. Simply tighten the securing screw on the fixing

lever with the accessory screw driver.

Alignment piece

Tr ib ra ch a lignment groove

Default Chapter3
- General Handling Precautions3
- Display for Safe Use5
- Safety Cautions5
- User6
- Exceptions from Responsibility6
- Laser Safety7
- Table of Contents9
- Standard Set Composition11
1 Nomenclature and Functions12
- Nomenclature12
- Display14
- Operating Key15
- Function Key (Soft Key)16
- Star Key Mode18
- Operating Instructions22
- Auto Power off23
- Data Output23
- Rotating Method23
- Using Together with RC-2II Remote Control System (GPT-8000A Series)25
- Using Connecting with Personal Computer (PC)26
2 Preparation for Measurement27
- Power Connection27
- Setting Instrument up for Measurement28
- Power Switch Key on29
- Battery Level Indicator30
- Main Menu Icons31
- Vertical and Horizontal Angle Tilt Correction32
- Compensation of Systematic Error of Instrument33
- Resume Mode ON/OFF34
- How to Enter Numerals and Alphabet Letters34
- Memory Card35
- Inclination of Prism and Measuring Error (GPT-8000A Series)36
3 Automatic Tracking / Automatic Collimation38
- Automatic Tracking38
- GPT-8000A Series38
- Automatic Collimation40
- Range of Laser for Auto-Tracking and Auto-Collimating41
- Setting Parameters for Auto-Tracking42
  - Setting Items42
  - How to Set the Parameters44
4 Standard Measurement Mode45
- Angle Measurement45
- Distance Measurement49
- Coordinate Measurement57
  - Setting of the Instrument Height / Prism Height57
  - Execution of Coordinate Measuring58
- Data Output60
5 Program Modes62
- Setting a Direction Angle for Backsight Orientation63
- Retaining a Coordinate (STORE- NEZ)64
- Remote Elevation Measurement (REM)66
- Missing Line Measurement (MLM)69
- Line Measurement (LINE)72
- Offset Measurement (OFFSET)75
- External Link (GPT-8000A Series)84
6 Memory Manage Modes90
- View Internal Memory and Card Memory Status90
- Protect a File91
- Rename a File91
- Deleting a File92
- Copy a File92
- Initializing Memory93
7 Communication Modes94
- Setting of PROTOCOL94
- Data File in95
- Data File out95
8 Parameters Setting Mode96
- Parameter Setting Options96
  - Parameters for Measurement and Display96
- Parameters for Communication97
- Setting Parameters99
  - Parameters for Measurement and Display99
  - Password Option101
9 Check and Adjustment104
- Checking and Adjusting of Instrument Constant104
  - Checking of the Accuracy of the Non-Prism Mode104
- Checking the Optical Axis105
- Checking/Adjusting the Theodolite Functions107
- Adjustment of Compensation Systematic Error of Instrument113
- Showing Constant List and Switch ON/OFF Compensation Systematic Error of Instrument115
- How to Adjust the Date and Time116
- How to Set the Instrument Constant Value117
- Inspection and Adjustment of Optic Axis for Auto -Tracking (GPT-8000A Series)118
10 Setting the Prism / Non-Prism Constant Value120
11 Setting Atmospheric Correction121
- Calculation of Atmospheric Correction121
- Setting of Atmospheric Correction Value121
12 Correction for Refraction and Earth Curvature126
- Distance Calculation Formula126
13 Power Source and Charging127
- Rechargeable Battery BT-56Q127
14 Detach/Attach of Tribrach129
15 Battery System130
16 Prism System131
17 Precautions132
18 Error Displays133
19 Special Accessories134
20 Specifications137
Appendix141
- Dual Axis Compensation141
- Precaution When Charging or Storing Batteries143
- License Agreement145

Brand	Topcon
Model	GPT-8003A
Category	Measuring Instruments
Language	English

Topcon GPT-8003A User Manual

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Topcon GPT-8003A Specifications

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