e-survey ET2A User Manual Download

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SHANGHAI ESURVEY GNSS CO., LTD.

III

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7.8

Set the Angle Unit

.......................................................................................................................34

7.9

Set the Date and Time

...............................................................................................................35

Check and Adjustment

........................................................................................................... 36

8.1

Check and Adjust the Plate Level

............................................................................................36

8.2

Check and Adjust the Circular Level

........................................................................................37

8.3

Check and Adjust the Vertical Line of the Reticle

..................................................................38

8.4

Check and Adjust the Line-of-Sight Error or Collimation Error

............................................39

8.5

Check and Adjust the Vertical Index Error

..............................................................................41

8.6

Check and Adjust the Coinciding of the Laser Spot and Target Center

............................43

Summary of Contents for ET2A

Page 1: ...85 24 58 280 13 58 VA HAR 22 01 11 13 33 CRN REP SFT HOLD ET2A Electronic Digital Theodolite USER GUIDE...

Page 2: ......

Page 3: ...t of the products services and features described in this document may not be within the purchase scope or the usage scope The information in this document is subject to change without notice Every ef...

Page 4: ...SHANGHAI ESURVEY GNSS CO LTD...

Page 5: ...Caution 2 1 1 2 Warning 4 1 1 3 Danger 5 1 2 Disclaimer 5 2 ET2A at a Glance 6 3 Quick Start 9 3 1 Insert Replace the Battery 10 3 2 Set up the Instrument 10 3 3 Level the Circular Level 12 3 4 Level...

Page 6: ...imes 19 4 5 Measure the Zenith 20 5 Distance Measurement 21 6 Laser Measurement 23 6 1 Measure the Orientation 23 6 2 Design the Target Angle 24 6 3 Set the Level Line 25 7 Configuration Menu 25 7 1 S...

Page 7: ...8 1 Check and Adjust the Plate Level 36 8 2 Check and Adjust the Circular Level 37 8 3 Check and Adjust the Vertical Line of the Reticle 38 8 4 Check and Adjust the Line of Sight Error or Collimation...

Page 8: ...SHANGHAI ESURVEY GNSS CO LTD IV...

Page 9: ...the degree of loss or injury in case of negligence or omission Indicates important paragraphs that must be adhered to in practice as they enable the product to be used in a technically correct and eff...

Page 10: ...s firm When transporting please keep the instrument in the case provided and try your best to minimize vibration of the instrument Please do not store the instrument in high temperatures or set it up...

Page 11: ...ccur Please do not arbitrarily stand or seat on the carrying case or turn over it Otherwise the instrument may be damaged Please be careful of the tripod tiptoe when setting up or moving it Once your...

Page 12: ...rwise eye injury or blindness and objective damage may occur Please do not cover the charger when charging Otherwise fire may occur Please do not use wet battery or charger defective power cable socke...

Page 13: ...e expected to follow all operating instructions and regularly check the performance of this instrument It is your responsibility to exercise common sense while using the ET2A and keep it operating saf...

Page 14: ...SHANGHAI ESURVEY GNSS CO LTD 6 2 ET2A at a Glance...

Page 15: ...nit of the vertical angle or by pressing 1 second and turn on or off the laser pointer by pressing 3 seconds Turn on or off the light by pressing 3 seconds Power on or off the instrument by pressing 3...

Page 16: ...nt time The instrument will automatically power off within 30 minutes if no action is carried out VA The vertical angle HAL The horizontal angle left HAR The horizontal angle right The battery level T...

Page 17: ...SHANGHAI ESURVEY GNSS CO LTD 9 3 Quick Start The process of quick start is as follows...

Page 18: ...charger when the green light appears 3 2 Set up the Instrument It is to set up the instrument over a marked ground point by using the laser plummet The laser plummet is built into the vertical axis of...

Page 19: ...sture 2 Position the tripod over the marked ground point centering it as best as possible sufficiently press the tripod legs into the ground to guarantee a firm foothold and tighten the clamps When pr...

Page 20: ...el the circular level do the following 1 Adjust foot screw A and B in the opposite direction until the circular bubble is perpendicular to a line shaped with foot screw A and B The direction of your l...

Page 21: ...evel is parallel to a line shaped with foot screw A and B and adjust foot screw A and B to make the bubble in the center of the plate level 2 Loosen the horizontal tangent screw rotate the instrument...

Page 22: ...optical sight and allow a certain space between the optical sight and yourself for collimation 3 Focus the target with the focusing knob 4 Optional To eliminate the parallax between the reticle and t...

Page 23: ...LTD 15 3 6 Power on the Instrument Before powering on the instrument make sure the battery is full replace and charge the battery if not To power on the instrument press 3 7 Start Measurement See Angl...

Page 24: ...g 1 Enter angle measurement after powering on the instrument 2 Aim at the first target A 3 Press 0SET 4 Press 0SET again to set the horizontal reading of target A as 0 00 00 5 Aim at the second target...

Page 25: ...the horizontal angle do the following 1 Enter angle measurement after powering on the instrument 2 Set the required horizontal angle and press HOLD 3 Press HOLD to hold the horizontal angle 4 Aim at...

Page 26: ...re position 0 vertical angle is set as OFF 0 To show the vertical angle in percentage do the following 1 Enter angle measurement after powering on the instrument 2 Press V EEEE EEE appears on the disp...

Page 27: ...mes It is used to make sure the high accuracy of angle measurement through measuring the same angle at most nine times When the limited number of times is reached error information will show To measur...

Page 28: ...of times for measuring the same horizontal angle has been finished 4 5 Measure the Zenith It is to comfortably observe steep sights with a diagonal eyepiece up to the zenith To measure the zenith do t...

Page 29: ...le in the telescope Through the reticle up down left right in the telescope to measure the distance between the target and the instrument To measure the distance do the following 1 Place the instrumen...

Page 30: ...zenith is 90 the measurement ground is flat calculate distance D following formula D 100 L 100 refers to the stadia proportion constant of the instrument o If the zenith is not 90 the measurement gro...

Page 31: ...t is to find out the other points on the line of the two known points To measure the orientation do the following 1 Level up the instrument and power on the instrument 2 Aim at the target point 3 To t...

Page 32: ...owing 1 Level up the instrument and power on the instrument 2 Aim at the target point and press 0SET to set the horizontal angle as 0 00 00 3 Horizontally rotate the instrument to make the horizontal...

Page 33: ...nt 2 To turn on the laser press V for three seconds The red level line is the level line 7 Configuration Menu With the configuration menu you can achieve the following Switch on off the tilt compensat...

Page 34: ...rocess by indicating an error The working range of the compensator is at 3 0 05 56 gon If the tilt angle exceeds the work range the vertical angle will show TILT on the display To switch on off the ti...

Page 35: ...SHANGHAI ESURVEY GNSS CO LTD 27 4 Press to confirm selection 7 2 Define the Zenith It is to define the zenith as 00 00 00 or 90 00 00...

Page 36: ...ss R L to enter configuration mode 2 Press 0SET to turn to the following page 3 Do one of the following o To define the zenith as 90 00 00 press R L to change the value to ON o To define the zenith as...

Page 37: ...no action is carried out To set automatic power off do the following 1 Press R L to enter configuration mode 2 Press 0SET to turn to the following page 3 Do one of the following o To turn on automati...

Page 38: ...1 5 or 10 Step Degree sexagesimal Gon 1 0 00 01 0 00 03 gon 5 0 00 05 0 00 15 gon 10 0 00 10 0 00 30 gon To set the minimum angle reading do the following 1 Press R L to enter configuration mode 2 Pre...

Page 39: ...to the following page 3 Do one of the following o To set the baud rate to 1200 press R L to change the value to 1200 o To set the baud rate to 2400 press R L to change the value to 2400 o To set the b...

Page 40: ...1 Press R L to enter configuration mode 2 Press 0SET to turn to the following page 3 Do one of the following o To set the recording medium to serial port press R L to change the value to ON o To set t...

Page 41: ...100 gon 200 gon 300 gon To set the beep do the following 1 Press R L to enter configuration mode 2 Press 0SET to turn to the following page 3 Do one of the following o To switch on the beep press R L...

Page 42: ...e unit do the following 1 Press R L to enter configuration mode 2 Press 0SET to turn to the following page 3 Do one of the following o To set degree sexagesimal as the angle unit press R L to change t...

Page 43: ...te and Time To set the date and time do the following 1 Press R L to enter configuration mode 2 Press 0SET HOLD to enter date and time setup 3 To switch among year month day hour and minute press HOLD...

Page 44: ...enter o If it does proceed to step 3 5 o If not no adjustment is required 3 Adjust the foot screw that is parallel to the plate level and move the bubble half of the shift to the center of the plate l...

Page 45: ...he circular level do the following 1 Level the plate level for precise leveling of the instrument 2 Observe if the bubble of the circular level is within the circle o If it is no adjustment is require...

Page 46: ...ical line of the reticle do the following 1 Set the instrument on a tripod and precisely level it 2 Set a point A at 50 m away from the instrument 3 Collimate the telescope of the instrument to point...

Page 47: ...The line of sight error or collimation error C is the deviation from the perpendicular between the tilting axis and the line of sight and it affects the horizontal angle readings and increases with st...

Page 48: ...2 7 Calculate the collimation error C HA1 HA2 180 2 8 Judge if the error is within the allowable range o If it is less than or equal to 8 no adjustment is required o If it is greater than 8 proceed to...

Page 49: ...hen adjusting the vertical circle to keep the value stable when reading To check and adjust the vertical index error do the following 1 Set the instrument on a tripod and precisely level it 2 Enter an...

Page 50: ...GNSS CO LTD 42 8 Press to power on the instrument and long press R L when the following display shows The following result shows 9 Aim at the reticle of collimator or the obvious target at a distance...

Page 51: ...the Coinciding of the Laser Spot and Target Center The laser spot coincides with the target center when the reticle center of the telescope coincides with the target center If not adjustment is requi...

Page 52: ...Demount the handle unscrew four slotted cheese head screws M2X6 that fix the cover of the laser device and remove the cover of the laser device 4 To make the laser spot coincide with the target center...

Page 53: ......

Page 54: ...ghai China E mail Sales info esurvey gnss com Support support esurvey gnss com Hotline 86 400 999 8088 Website https esurvey gnss com Shanghai eSurvey GNSS Co Ltd To be the leading provider of high pr...

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