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2-1

2 PREPARATION FOR MEASUREMENT

2.1 Power Connection

(unnecessary if on-board Ni-MH battery BT-52QA is used)

See below for connecting the external battery pack.

● Battery pack BT-3Q

Power cord , PC-5 is used.

● Large capacity battery pack BT-3L

Power cord PC-6 is used.

Connector ends

PC-5

PC-6

PC-5

PC-6

BT-3Q

BT-3L

Note: BT-32Q on-board (Ni-Cd) battery can be also available.

To use BT-32Q (Ni-Cd) battery, it is required to change battery type in selecting mode, see

Section 6.4.5 “Selecting Battery Type”.

Cable

Battery pack

Default Chapter4
- General Handling Precautions4
- Display for Safe Use5
- Safety Cautions5
- User6
- Exceptions from Responsibility6
- Laser Safety7
- Labels7
- Symbol Mark While the Laser Is Emitting7
- Table of Contents8
- Standard Set Composition11
1 Nomenclature and Functions12
- Nomenclature12
- Display14
- Operating Key15
- Function Key (Soft Key)16
- Star Key Mode18
- Serial Signal RS-232C Connector21
2 Preparation for Measurement22
- Power Connection22
- Setting Instrument up for Measurement23
- Power Switch Key on24
- Battery Power Remaining Display25
- Vertical and Horizontal Angle Tilt Correction26
- How to Enter Alphanumeric Characters28
- Point Guide29
- Laser Plummet ON/OFF (Only for Laser Plummet Type)30
3 Angle Measurement31
- Measuring Horizontal Angle Right and Vertical Angle31
- Switching Horizontal Angle Right/Left32
- Measuring from the Required Horizontal Angle32
  - Setting by Holding the Angle32
  - Setting a Horizontal Angle from the Keys33
- Vertical Angle Percent Grade(%) Mode33
- Repetition Angle Measurement34
- Buzzer Sounding for Horizontal Angle 90° Increments35
- Compasses ( Vertical Angle)36
4 Distance Measurement37
- Setting of the Atmospheric Correction37
- Setting of the Correction for Prism Constant / Non-Prism Constant37
- Distance Measurement (Continuous Measurement)37
- Distance Measurement (N-Time Measurement/Single Measurement)39
- Fine Mode/Tracking Mode/Coarse Mode40
- Stake out (S.O)41
- Offset Measurement42
5 Coordinate Measurement51
- Setting Coordinate Values of Occupied Point51
- Setting Height of the Instrument52
- Setting Height of Target (Prism Height)52
- Execution of Coordinate Measuring53
6 SPECIAL MODE (Menu Mode)54
- Application Measurement (PROGRAMS)55
- Setting the GRID FACTOR69
- Setting Illumination of Display and Cross Hairs70
- Setting Mode 171
- Setting Contrast of Display76
7 Data Collection77
- Preparation79
- Operational Procedure of DATA COLLECT83
- Data Collect Offset Measurement Mode86
- NEZ Auto Calculation93
- Point to Line Measurement94
  - To Change to the Point to Line Measurement94
  - Executing a Point to Line Measurement95
- Editing PCODE Library [PCODE INPUT]96
- Setting Parameter of Data Collect [CONFIG.]97
8 Layout98
- Preparation100
- Executing a Layout106
  - Layout of Coordinates of Point to Line108
- Setting a New Point109
  - Side Shot Method109
  - Resection Method111
9 Memory Manager Mode115
- Display Internal Memory Status116
- Searching Data117
- File Maintenance121
- Coordinate Data Direct Key Input124
  - Coordinate Data Input124
  - PTL (Point to Line) Data Input125
- Delete a Coordinate Data from a File126
- Editing PCODE Library127
- Data Communications128
- Initialization131
10 Set Audio Mode132
11 Setting the Prism / Non-Prism Constant Value133
12 Setting Atmospheric Correction134
- Calculation of Atmospheric Correction134
- Setting of Atmospheric Correction Value134
13 Correction for Refraction and Earth Curvature139
- Distance Calculation Formula139
14 Power Source and Charging140
- On-Board Battery BT-52QA140
15 Detach/Attach of Tribrach142
16 Selecting Mode143
- Items of the Selecting Mode143
- How to Set Selecting Mode145
17 Check and Adjustment147
- Checking and Adjusting of Instrument Constant147
- Checking the Optical Axis148
  - Checking the Optical Axis of EDM and Theodolite148
  - Checking the Optical Axis of Laser Pointer151
- Checking/Adjusting the Theodolite Functions153
- How to Set the Instrument Constant Value160
- Adjustment of Compensation Systematic Error of Instrument161
- EDM Alignment Checking Mode162
18 Precautions163
19 Special Accessories164
20 Battery System167
21 Prism System168
22 Error Displays169
23 Specifications171
Appendix174
- Dual Axis Compensation174
- Precaution When Charging or Storing Batteries176

Brand	Topcon
Model	GPT-3000 Series
Category	Measuring Instruments
Language	English

Topcon GPT-3000 Series User Manual

Table of Contents

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Topcon GPT-3000 Series Specifications

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