Name: Topcon GPT-7502
Brand: Topcon
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3 STANDARD MEASUREMENT MODE

4 Input the distance range by pressing the

numeric key. *1)

Example:10m

5 Press the [ENTER] key.

The display returns to the star key mode.

*1) Input range: 5 m ~ 1,800 m (17 ft. ~ 5,900 ft.)

[ENTER] key

Foreword3
General Handling Precautions4
Display for Safe Use5
Safety Cautions5
User6
Exceptions from Responsibility6
Laser Safety7
Labels7
Symbol Mark While the Laser Is Emitting8
Table of Contents9
Contents9
Nomenclature and Functions12
Nomenclature12
Display14
Main Menu Contains14
Measurement Menu15
Display Marks15
Display Keys16
Shortcut Keys16
Backlight, Key Light Adjustment17
How to Adjust Reducing Time of Backlight17
Adjust the Backlight Brightness by Manual19
Selecting the Automatic Lighting Option20
Selecting the Key Light Option21
RAM Data Backup22
Execute the Backup Function22
Set the Automatic Backup for Every Suspension24
Set the Restoration Disabled after Hardware Reset24
Hardware Reset25
Cover Sensor25
Touch Panel Calibration26
Operating Panel Key28
Operating Key28
Turning off the Touch Panel Function29
Power off29
Function Key (Soft Key)30
Star Key Mode32
Switching Measurement Distance Modes36
Setting by Using Star Key37
Auto Power off38
Using the USB Port40
Preparation for Measurement41
Power Connection41
Setting Instrument up for Measurement42
Power Switch Key on43
Battery Power Remaining Display44
Vertical and Horizontal Angle Tilt Correction45
Setting Tilt Correction by Soft Key46
Compensation of Systematic Error of Instrument47
How to Enter Numerals and Alphabet Letters48
Data Memory Card52
Active Sync53
Getting Connected53
Standard Measurement Mode54
Angle Measurement54
Measuring Horizontal Angle Right and Vertical Angle54
Switching Horizontal Angle Right/Left55
Measuring from the Required Horizontal Angle56
Vertical Angle Percent Grade(%) Mode57
Distance Measurement58
Setting of the Atmospheric Correction60
Setting of the Correction for Prism Constant60
Setting Measurement Distance Range of Non-Prism Long Mode60
Distance Measurement (Continuous Measurement)62
Distance Measurement (Single/N-Times Measurement)63
Fine / Coarse / Tracking Measuring Mode64
Stake out (S.O)66
Coordinate Measurement68
Setting Coordinate Values of Occupied Point68
Setting of the Instrument Height / Reflector(Prism) Height70
Execution of Coordinate Measuring71
Data Output72
Data Output by [REC] Key73
Program Mode74
Setting a Direction Angle for Backsight Orientation(BS)75
Remote Elevation Measurement (REM)77
Missing Line Measurement (MLM)80
Repetition Angle Measurement (REP)82
Parameters Setting Mode84
Parameter Setting Options85
Measurement85
Communication86
Value Input86
Unit86
Setting Parameters87
Check and Adjustment88
Checking and Adjusting of Instrument Constant88
Checking of the Accuracy of the Non-Prism Mode / Non-Prism Long Mode88
Checking the Optical Axis89
Checking the Optical Axis of EDM and Theodolite89
Checking the Optical Axis of Laser Pointer94
Checking/Adjusting the Theodolite Functions96
Checking /Adjusting the Plate Level97
Checking /Adjusting the Circular Level97
Adjustment of the Vertical Cross-Hair98
Collimation of the Instrument99
Checking / Adjusting the Optical Plummet Telescope100
Adjustment of Vertical Angle 0 Datum101
How to Set the Instrument Constant Value102
Compensation Systematic Error of Instrument103
Adjustment of Compensation Systematic Error of Instrument103
Showing Compensation Systematic Error of Instrument105
Setting the Prism / Non-Prism Constant Correction Value106
Setting Atmospheric Correction108
Calculation of Atmospheric Correction108
Setting of Atmospheric Correction Value109
Correction for Refraction and Earth Curvature114
Distance Calculation Formula114
Power Source and Charging115
On-Board Battery BT-65Q115
Detach/Attach of Tribrach117
Special Accessories118
Battery System120
Prism System121
Precautions122
Message/Error Displays123
Message123
Error124
Specifications125
Appendix130
Dual Axis Compensation130
Index132

Brand	Topcon
Model	GPT-7502
Category	Measuring Instruments
Language	English

Topcon GPT-7502 User Manual

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Topcon GPT-7502 Specifications

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