Topcon AP-L1A Instruction Manual
  1. Manuals
  2. Brands
  3. Topcon Manuals
  4. Measuring Instruments
  5. AP-L1A
  6. Instruction manual
Topcon AP-L1A Instruction Manual

Topcon AP-L1A Instruction Manual

Automatic tracking total station
Hide thumbs
Table of Contents

Advertisement

Quick Links

INSTRUCTION MANUAL
AUTOMATIC TRACKING TOTAL STATION
AP-L1A
AP-L1AN

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the AP-L1A and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Topcon AP-L1A

Summary of Contents for Topcon AP-L1A

  • Page 1 INSTRUCTION MANUAL AUTOMATIC TRACKING TOTAL STATION AP-L1A AP-L1AN...

  • Page 2: General Handling Precautions

    Precaution is needed when using Pin-pole prism set L1 type, Pin-pole prism holder L1 type, Prism unit A2 type, or a prism other than Topcon's. Each prism constant value is potentially different. Please refer to Chapter 10 "Setting the prism constant value".
  • Page 3 If the battery power is too low to back up the memory, error code “E98” will display. Contact your dealer, to replace the back up battery. Maintenance for driving parts. Every 4,000~5,000 hours operation in total, change grease of driving parts. Contact your dealer or TOPCON Head Office for the maintenance.

  • Page 4: Display For Safe Use

     There is a danger that may cause eye injury on blindness. Never look at the laser beam directly. Disassemble, reconstruct, or repair of the instrument is only to be performed by Topcon or its authorized dealer.  AP-L1A/L1AN is not explosion proof.

  • Page 5: Laser Safety

    Light-Emitting Products" (FDA/BRH 21 CFR 1040) provided on the safety standards for laser beam. As per the said standards, AP-L1A/L1AN is classified as "Class 2 (CLASS II) Laser Products". The laser beam belongs not very dangerous type but we request you to keep and understand Safety standard for users"...
  • Page 6 Aperture Label AVOID EXPOSURE LASER RADIATION EMITTED FROM THIS APERTURE Beam aperture Certification and identification label TOPCON AMERICA CORPORATION 65, West Century Road, Paramus, New Jersey 07652 MANUFACTURED Explanatory Label COMPLIES WITH 21 CFR 1040 AS APPLICABLE CAUTION LASER RADIATION...

  • Page 7: Table Of Contents

    Setting Place of AP-L1A and Wireless Terminal WT-1A/1B ....... 1-9 1.6.2 Data Output ......................... 1-9 Rotating Method of AP-L1A ................... 1-10 Rotating of AP-L1A by H/V Shuttle and H/V Jog ......... 1-10 1.8.1 Using Software Key to Rotate AP-L1A ............1-10 1.8.2 Auto Inversion Key ....................
  • Page 8 7.3.4 Search Patterns ....................7-9 7.3.5 Tracking Indicator ......................7-10 Available Time Data Function ..................7-11 Setting AP-L1A Wireless Modem .................. 7-12 Setting Wireless Communication Channels ..........7-12 7.6.1 How to Select the Communication Channels ..........7-12  How to Set the Communication Channels ............ 7-13 ...
  • Page 9 ................8-1 APPLICATION MEASUREMENT One Person Surveying and Stake Out ................8-1 Teach Measurement (Fixed Point Observation.) ..........8-3 Setting and deleting control points for Teach Measuring ......8-3 8.2.1 Setting Teach Measurement Parameters ............8-5 8.2.2 Execution of Teach Measuring ................. 8-6 8.2.3 ......................
  • Page 10 ................... 17-1 17. CHECK AND ADJUSTMENT 17.1 Checking Accuracy of the Distance Measurement ............ 17-1 17.2 Checking the Optical Axis ....................17-2 17.3 Checking/Adjusting the Theodolite Functions ............17-4 17.3.1 Checking /Adjusting the Plate Level ............17-5 17.3.2 Checking /Adjusting the Circular Level ........... 17-5 17.3.3 Adjustment of the Vertical Cross-hair .............

  • Page 11: Standard Set Composition

    STANDARD SET COMPOSITION AP-L1A or AP-L1AN (with lens cap) ..........1 pc.  Cable PC-11 ................... 1 pc.  Tool kit case ................... 1 pc.  Plastic rain cover ..................1set  Plumb bob set ..................1pc.  Carrying case ..................1pc.

  • Page 12: Nomenclature And Functions

    1. NOMENCLATURE AND FUNCTIONS NOMENCLATURE AND FUNCTIONS 1.1 Nomenclature Sighting collimator Laser aperture label * Telescope rotating free lever Objective lens Laser aperture Laser warning label * Instrument center mark Vertical shuttle Tracking indicator Vertical jog REC key Auto inversion key Power key Horizontal jog Horizontal shuttle...
  • Page 13 1. NOMENCLATURE AND FUNCTIONS Laser beam shutter Rotating center mark Antenna Hand grip Telescope focusing knob Hand grip locking screw Telescope grip Wireless modem *1) (Serial signal connector only Telescope eyepiece for AP-L1AN) Instrument center mark Plate level Laser label *2) Optical plummet focusing knob Operation keys...
  • Page 14 1. NOMENCLATURE AND FUNCTIONS The details of label will be differed by the market.

  • Page 15: Display Marks

    1. NOMENCLATURE AND FUNCTIONS 1.2 Display Marks  Display The Display uses a dot matrix LCD which has 4 lines and 16 characters per line. In general, the upper three lines display measured data,and the bottom line displays the soft key function which is changes with the measuring mode.

  • Page 16: Operating Key

    1. NOMENCLATURE AND FUNCTIONS 1.3 Operating Key REC Key Auto inversion POWER Key Keys Name of key Function Luminance key ON/OFF of Illumination for display and reticle of telescope Tracking indicator On / Off of tracking indicator . It is possible to confirm tracking status or sighting direction of the equipment from the prism side.

  • Page 17: Function Key (Soft Key)

    1. NOMENCLATURE AND FUNCTIONS 1.4 Function Key (Soft Key) Soft key message is displayed at the bottom line of display. Functions are according to the displayed message. 9010'20" 12030'40" 0SET HSET 1 90 -90 180 2 TILT – – – 3...
  • Page 18 1. NOMENCLATURE AND FUNCTIONS Setting direction angle Sets the direction angle from the coordinate of instrument point and known point.(Backsight Point) CSET Setting an instrument Sets an instrument coordinate point by input values. point Resection Sets instrument coordinate point from two known points and their measured values.

  • Page 19: Connection With Computer

    1. NOMENCLATURE AND FUNCTIONS 1.5 Connection with Computer Serial signal connector port1 is used for connecting the AP-L1A/L1AN with a computing device. This enables the computer to receive measurement data from the instrument or to set H-angle, coordinate data and so forth to the instrument or control it from the computer.

  • Page 20: Installing Wireless Terminal Wt-1A/1B & Data Terminal

    To perform cordless communication between wireless terminal WT-1A/1B and wireless modem of AP-L1A, it is required to set the communication channel and condition of AP-L1A to meet with WT- 1A/1B. Refer to Chapter 7.6 "Setting AP-L1A Wireless Modem" to set the communication condition or channels.

  • Page 21: Data Output

    When the height of setting position from the ground is too low. AP-L1A will be set at the height of 1.3~1.5 m or more from the ground and a man who is carrying wireless terminal with carrying belt should be higher than his waist or more.

  • Page 22: Rotating Method Of Ap-L1A

    During auto rotating the instrument, don't disturb it by touching the instrument. Such action may cause trouble or harm to the instrument or operator.  AP-L1A is able to rotate automatically to a required horizontal angle or vertical angle set. Refer to Chapter 4.4 "Rotating automatically to a required Horizontal and Vertical angle".

  • Page 23: Auto Inversion Key

    1. NOMENCLATURE AND FUNCTIONS 1.8.3 Auto Inversion Key Pressing the inversion key causes the instrument to reverse and turn the telescope and instrument automatically.  To stop auto rotating by auto inversion key in case of emergency, press any keys except POWER key.

  • Page 24: Preparation For Measurement

    All the rotating functions requires power. Level and center the instrument precisely to insure the best performance. It is recommended to use the Topcon Wide Frame Wooden tripod, such as TP-10 (Type-E). 2.2 Connecting Power Supply Use mark light power supply (special accessory) or Power supply PX-2 (special accessory) as a power source.
  • Page 25 2. PREPARATION FOR MEASUREMENT Reference: Leveling and Centering the Instrument  Rotate the instrument 90 (100g) around its 1. Setting up the Tripod First, extend the extension legs to suitable vertical axis and turn the remaining lengths and tighten the screws on their leveling screw or C to center the bubble once midsections.

  • Page 26: Power Switch Key On

     Screen displays ZERO SET. Body and Telescope rotates automatically through 90 degrees from zenith to index vertical circle. When in manual mode, rotate telescope and body by operating H/V shuttle for to index vertical circle (ZERO SET). Title display TOPCON AP-L1A Correction for prism constant CONST tracking...

  • Page 27: Battery Power Remaining Display

    2. PREPARATION FOR MEASUREMENT 2.4 Battery Power Remaining Display  Battery mark Battery mark in the display indicates the power condition. Press the key.    BATT    BATT 00 18' 25"  HR : 123 45' 25" ...

  • Page 28: Vertical And Horizontal Angle Tilt Correction

    To ensure a precise angle measurement, tilt sensors must be turned on. The display can also be used to fine level the instrument. If the (TILT OVER) display appears the instrument is out of automatic compensation range and must be leveled manually. When AP-L1A tilted over correction range.(TILT OVER) ...
  • Page 29 2. PREPARATION FOR MEASUREMENT  Press [F1] (Tilt) to select tilt ON/OFF [F1] Tilt [OFF] function. In case already selected ON, the display shows tilt correction value. [ON] [OFF]      Press [F1](ON) key. [F1] TILT ON TILT ON [ 1 ] [ 2 ] EXIT...

  • Page 30: The Lay Position Of Multiple Prisms

    To increase measurement range, multiple prisms can be used. Arrange prism position to be symmetrical horizontally and vertically. All prisms must be of the same type. AP-L1A tracks to a point where it finds the greatest signal strength. (See diagram below)
  • Page 31 2. PREPARATION FOR MEASUREMENT  Prism type-2 (Normal prism) Distance Measuring error Angle measuring error Increasing Angle distance error range range ( mm ) ( mm ) Inclined angle (degree) Inclined angle  Prism type - 3 or 5 (Prism unit A2/A3) Distance Measuring error Angle measuring error Increasing...

  • Page 32: Automatic Tracking Mode

    3. AUTOMATIC TRACKING MODE AUTOMATIC TRACKING MODE Caution : In auto- tracking mode, the laser beam emits from the center of the objective lens. Do not stare into the objective lens or do not aim at the other people's eyes in the auto- tracking mode.
  • Page 33 3. AUTOMATIC TRACKING MODE 1) Auto tracking mode should be used only after powering up and instrument fully acclimated to the atmospheric surroundings. 2) Auto tracking status sometimes can be unstable for a few seconds after the optical path is disturbed by a passing car or person.

  • Page 34: Angle Measurement

    0SET HSET 1 Note : From a known coordinate value of the instrument point and the backsight point, the AP-L1A can set a directional angle. See chapter 6.1, "Setting a Direction Angle for Horizontal Orientation". Reference How to Collimate ...
  • Page 35 4. ANGLE MEASUREMENT  If parallax is created between the crosshairs and the target when viewing vertically or horizontally while looking into the telescope, Focusing knob focusing is incorrect or diopter adjustment is Telescope eyepiece (Diopter ring) poor. This adversely affects precision in measurement or survey.

  • Page 36: Switching Horizontal Angle Right/Left

    4. ANGLE MEASUREMENT 4.2 Switching Horizontal Angle Right/Left Make sure the mode is Angle measurement Operating procedure Operating key Display 90 10 '20" HR : 120 30' 40" 0SET HSET 1  Press [F3](R/L) key [F3] 90 10 '20" HR : 239...

  • Page 37: Measuring From The Required Horizontal Angle

    4. ANGLE MEASUREMENT 4.3 Measuring from the Required Horizontal Angle Make sure the mode is angle measurement Operating procedure Operating key Display  Sight the target for the which the 90 10 '20" Horizontal angel is to be set . HR : 120...

  • Page 38: Rotating Automatically To A Required Horizontal And Vertical Angle

    4. ANGLE MEASUREMENT 4.4 Rotating automatically to a required Horizontal and Vertical angle Operating procedure Operating key Display 90 10 '20" 120 30' 40" 0SET HSET 1  Press [F4]()key 5 times to page 6. [F4]    MOVE R.

  • Page 39: Distance Measurement

    5.2 Setting of the Correction for Prism Constant Generally, Topcon's prism constant value is 0. Set correction for prism at 0. Using Pin pole prism set L1 type, Pin pole prism holder L1 type, prism unit A2, near distance prism for AP-S1, or any other manufacture other than TOPCON's may need a different prism constant value.

  • Page 40: Fine Mode And Coarse Mode

    5. DISTANCE MEASUREMENT 5.4 Fine Mode and Coarse Mode The Coarse mode is used for the objects which may be slightly unstable. The fine mode is for those objects which are still for precise applications.  Fine mode This is a normal distance measuring mode. The unit to be displayed is 0.2mm or 1mm.

  • Page 41: Coordinate Measurement

    6. COORDINATE MEASUREMENT COORDINATE MEASUREMENT 6.1 Setting a Direction Angle for Horizontal Orientation (Setting from the coordinate of backsight point and instrument point) From the coordinate value of backsight point (bearing point) and instrument point, the direction angle from the instrument point to the backsight point can be set. Backsight point A Instrument point C Direction angle...

  • Page 42: Setting Coordinate Of Instrument Point

    6. COORDINATE MEASUREMENT 6.2 Setting Coordinate of Instrument Point Set the coordinates of AP-L1A/L1AN according to the coordinate original point, and AP-L1A/L1AN automatically measures, converts, and displays the unknown point (prism point) coordinates. It is possible to retain the coordinate of the instrument point after turning power switch OFF. Refer to Chapter 15 "Special mode (Menu key operation)".
  • Page 43 6. COORDINATE MEASUREMENT [ENT] OCC. P OINT  Input Z coordinate.  1) 2.3450 INS. H T 0.0000 Example:Z coordinate 2.345m   E XIT [ENT]  Input instrument height.  2 OCC. POINT 2.3450 Example: INS.HT 1.3m INS. HT 1.3000 EXIT ...

  • Page 44: Resection Method

    6. COORDINATE MEASUREMENT 6.2.2. Resection Method The coordinate value of the instrument point can be set from the coordinate value and measured data of 2 known points. There is 2 setting methods that is auto collimating method and manual collimating method. It is also available to select 2 Dimensional or 3 Dimensional measurement and the setting which measured by normal telescope position or normal/inverted telescope positions.
  • Page 45 6. COORDINATE MEASUREMENT  Enter the coordinate value of known Input N data [ENT] point B and Prism height, and press POINT B [ENT] key. Input E data . [ENT] R . HT . Input Z data EXIT   [ENT] OK ...
  • Page 46 6. COORDINATE MEASUREMENT Press [F3](YES) key. 4) 269  39 ' 15" [F3] 250  30' 40" H R : instrument rotates  P OINT B ( 2 )  telescope turns to inverted position  CH E CKING  ...
  • Page 47 6. COORDINATE MEASUREMENT 3) Measuring takes time when the path of laser is disturbed frequently or the weather condition is not suitable. 4) Press [F4](NO) key when the measurement in inverted position of telescope is not required,the procedure goes to step 5) Error message will be displayed when the vertical angle error or horizontal angle discrepancy is exceeded 60", and returns to the procedure ...

  • Page 48: Manual Operation

    6. COORDINATE MEASUREMENT  Manual Operation [Example] : Setting 3 Dimensional measurement, 1 set of inverted measurement at the position of telescope in normal and inverted. Confirm instrument mode is angle or distance measurement mode. Operating procedure Operating key Display ...
  • Page 49 6. COORDINATE MEASUREMENT 90  10 ' 20"  Sight the instrument at the known point 10  20' 30" A properly by operating H/V jog/ shuttle. H R : [ SET ] P OINT B 90  10' 20" ...
  • Page 50 6. COORDINATE MEASUREMENT Press [F3](SET) or (REC) key. [F3] 269  49' 15" 190  20' 35" H R : [REC] SD     Measurement will be done 2 times.  ME ASURING  Vertical angle error (dVA,dVB) and SE T ! ! horizontal angle discrepancy (dH) will be displayed.
  • Page 51 6. COORDINATE MEASUREMENT *6) Error message will be displayed when the angle of dHD or dZ is exceeded  999mm, and the display changes to select for remeasurement. Press [F3](YES) key to select remeasurement and start from the procedure  . Horizontal distance discrepancy (dHD) [Horizontal distance between known point A and B based on measured value] ...

  • Page 52: Setting Height Of Target (Prism Height)

    6. COORDINATE MEASUREMENT 6.3 Setting Height of Target (Prism Height) This mode can be used to obtain Z coordinate values . The value of target height (prism height) in this mode will be eliminated when power is OFF. Confirm instrument mode is angle or distance measurement mode. [Example] Target height : 1.3m Operating procedure Operating key...

  • Page 53: Execution Of Coordinate Measuring

    6. COORDINATE MEASUREMENT 6.4 Execution of Coordinate Measuring Operating the coordinate measuring by setting coordinate of the instrument point, the instrument height and prism height enables the operator to obtain the coordinates of the measuring point.  For the setting of coordinate of the instrument point and instrument height refer to "6.2 Setting Coordinate of Instrument Point"...
  • Page 54 6. COORDINATE MEASUREMENT  Input the value of H angle to be set, H -SE T and press [ENT] key. H R : 70.4020 Example:7040'20"     E XIT  SET!  [ENT] 90  10' 20" 70  40' 20" H R : 1 ...

  • Page 55: Application Functions

    7. APPLICATION FUNCTIONS APPLICATION FUNCTIONS 7.1 How to Cancel Error of Automatic Tracking Optical Axis When measuring in Automatic Tracking mode, there is a possibility for angular error due to misalignment of the telescope axis and auto tracking optical axis. Precaution is required for accurate measurement under the sunny days in summer or very cold days in winter.

  • Page 56: Area Setting

    7. APPLICATION FUNCTIONS 7.2 Area Setting Setting a predetermined surveying area to AP-L1A beforehand, AP-L1A sights and tracks set area only. This function protects mistracking to the other prisms that might be near the measuring site or the refraction off objects running near the site. This function is also effective for finding a lost prism.

  • Page 57: Setting Area

    7. APPLICATION FUNCTIONS 7.2.1 Setting Area Point out 2 opposite angle points for area to be set. There are two methods as follows:  Sighting directly to the 2 opposite angle points A & B.  Input coordinate value. The set value of each area is memorized after power is shut OFF. Setting area Setting area The angle in between A and B should be within 180 ...
  • Page 58 7. APPLICATION FUNCTIONS  Confirm the sighted point and press [F4] AREA [ 1] [F4](SET) key. Point A is now set. 110  38' 40" Next set point B. 200  20' 15"     EXIT  Sight the point B with telescope. AREA [ 1] 140 ...
  • Page 59 7. APPLICATION FUNCTIONS  Select a setting area Number. AREA [ 2] [F2] ***.*** m Press [F2](  ) or [F3](  ), and select ***.*** m [F3]    the number of right upper corner in the EXIT [ENT] screen display and press [F4](ENT) key.

  • Page 60: Area Set Function On, And Set Effective Area No

    7. APPLICATION FUNCTIONS 7.2.2 Area Set Function ON, and Set Effective Area No. ON / OFF of area set function and effective area Number is specified. Whenever instrument is powered up, these functions are set automatically in the OFF position. Operating procedure Key Operation Display...

  • Page 61: Setting Tracking Parameter

    Since the tracking speed represents the rotating speed of AP-L1A, if the prism’s traveling speed is high, yet the distance of the prism is far from the AP-L1A, the tracking speed can be low. Each setting (Low/Medium/High) has each characteristic, typically tracking accuracy (aiming accuracy).

  • Page 62: Setting Scanning Range

    7.3.3 Setting Scanning Range By scanning laser beam, AP-L1A detects the prism position. In case of multiple prisms are set near each other, can be within scanning range of laser beam, tracking will be done by gravity center point (see Chapter 2.6 "Layout of Prism") of multiple prisms. And this can be caused measuring error.

  • Page 63: Search Range

    Setting Search range requires consideration. The items to think about: optical path interrupted by passing cars or passengers; collimated point from AP-L1A to prism is shifted after Turning and Searching Command; possible other prisms, targets, or other objects to interfere with tracking the desired prism;...

  • Page 64: Tracking Indicator

     The function of the Tracking Indicator will be used as a guide to know the status of AP-L1A from the prism side. This is not a function to determine precise collimating for measuring.

  • Page 65: Available Time Data Function

    7. APPLICATION FUNCTIONS 7.5 Available Time Data Function The data measured can be out put at specific measured time by AP-L1A. (For more informations, refer to AP-L1A/AP-L1AN interface manual.) This timed data function is helpful for the purpose of analyzing or comparing data collected in large volumes , and also available for post processing connected with computer or other measuring device.

  • Page 66: Setting Ap-L1A Wireless Modem

    The following are good selecting sample for 3 to 6 sets. Of course this table is supposed radio wave only in case of AP-L1A and WT-1A/1B used. If you are using other radio transmitter , it is necessary to be considered in such frequencies.

  • Page 67: How To Set The Communication Channels

    7. APPLICATION FUNCTIONS  How to Set the Communication Channels 1. Open the cover of wireless modem of AP-L1A, pulling bottom of cover to forward. 2. Set the channel rotary switch using accessory screw driver as in the following drawing, and close the cover.

  • Page 68: Secret Mode

    Note) Never forget the secret code which you set. If forgotten you can not operate any function on the AP-L1A and it must be returned to an authorized Topcon dealer for repair.
  • Page 69 7. APPLICATION FUNCTIONS Display returns to SECRET MENU. SECRET F1 : SECRET MODE F2 : SECRET CODE  Select [F1:SECRET MODE]. [F1] SECRET    Press [F2] (  ), [F3] (  ) key, select ON, EXIT [F4]or[F3] [F4] ...

  • Page 70: Remote Mode

    The remote mode is the mode to communicate between AP-L1A and wireless terminal WT-1A/1B. It enables the receiving of measured data or control of AP-L1A by data terminal FS/2 . This is the only mode for mode for wireless communication (remote mode).

  • Page 71: Application Measurement

    Setting area  A set area can be used in survey or stake out in AP-L1A . Setting an area is not always necessary but may prove to be convenient to, find the lost prism, for re-tracking, or to avoid unnecessary tracking to the other reflective objects.
  • Page 72  Setting instrument coordinate and direction angle  When AP-L1A is set at a random position, by method of resection, sight the known points and determine the instrument coordination with the data terminal.  Sight the known point and set the direction angle of AP-L1A with the data terminal.

  • Page 73: Teach Measurement (Fixed Point Observation.)

    1) Connect computing device for data recording to the serial signal connector (port 1) of AP- L1A. 2) Place AP-L1A on the known point or random point and set direction angle.  Confirm if the setting of each tracking parameter is suitable to the situation of measuring field.
  • Page 74 EXIT MEAS  Select, if desired, option for multiple [ 1] [F2] observations of same point in both [F2] faces of AP-L1A.   Press [F2](  ), [F3](  ) key, and select [F3] EXIT [ENT] ON/ OFF , and press [F4](ENT) key.

  • Page 75: Setting Teach Measurement Parameters

    8. APPLICATION MEASUREMENT 8.2.2 Setting Teach Measurement Parameters Operating procedure Operating key Display  Press [MENU] key from the angle or [MENU] MENU distance measuring mode. F1 : PARAMETERS F2 : PROGRAMS F3 : REMOTE  Select [F2:PROGRAMS] [F2] PROGRAMS F1 : TEACH F2 : AREA ...

  • Page 76: Execution Of Teach Measuring

    F2 : PARAMETERS F3 : GO  Select [F3:GO] [F3] TEACH POINT [ 1]? AP-L1A tracks to the first measuring 65  45' 20" point. When the target is found, 123  40' 50"  measuring starts. SD :  Teach Measuring is carried out by order of control points (from small to large).

  • Page 77: Set Audio Mode

    9. SET AUDIO MODE SET AUDIO MODE The light acceptance quantity level (SIG), the atmospheric correction value (PPM) and correction value of prism constant (PSM) are displayed in this mode. When reflected light from the prism is received, buzzer sounds. This function is good for easy collimation when the target is difficult to find.

  • Page 78: Setting The Prism Constant Value

    The prism constant value of Topcon is set to zero. When using Pin-pole prism set L1 type, Pin- pole prism holder L1 type, Prism unit A2 type, or a prism other than Topcon's, it is necessary to set the prism constant correction value specific prism.

  • Page 79: Setting Atmospheric Correction

    =1000 ( 1 +50  10 ) =1000.05 11.2 Setting of Atmospheric Correction Value  How to Set Temperature and Pressure Value Directly Measure the temperature and air pressure surrounding AP-L1A beforehand. Example : Temperature: +26  C, Pressure:760mmHg Operating procedure Operating key Display ...
  • Page 80 11. SETTING ATMOSPHERIC CORRECTION TEMP. -30  C to+60  C, in unit 1  C  Range to be input : (-22  F to +140  F, in unit 1  F) PRES. 420mmHg to 800mmHg, in unit 1mmHg (16.5inHg to 31.5inHg, in unit 0.1inHg) 315hPa to 1066hPa, in unit 1hPa ...
  • Page 81 11. SETTING ATMOSPHERIC CORRECTION Atmospheric Correction Chart (For your reference) The atmospheric correction value is obtained easily with the atmospheric correction chart. Find the measured temperature in horizontal, and pressure in vertical on the chart. Read the value from the diagonal line, which represents the required atmospheric correction value. Example: The measured temperature is ....
  • Page 82 11. SETTING ATMOSPHERIC CORRECTION Temprerature(C) Temprerature(F) 11-4...
  • Page 83 11. SETTING ATMOSPHERIC CORRECTION Temprerature(F) 11-5...

  • Page 84: Correction For Refraction And Earth Curvature

    12. CORRECTION FOR REFRACTION AND EARTH CURVATURE 12. CORRECTION FOR REFRACTION AND EARTH CURVATURE AP-L1A series measures distance, taking into account correction for refraction and earth curvature. If the telescope is positioned within  9C from the nadir or zenith, no measurement will Note : result even if the correction function for refraction and earth curvature works.

  • Page 85: Power Source And Charging

    13. POWER SOURCE AND CHARGING 13. POWER SOURCE AND CHARGING 13.1 External Battery (Mark Light Battery)  Recharging  Connect recharger of mark light connecter to mark light battery. Be sure the switch of voltage value on the backside is working properly . ...

  • Page 86: Detach/Attach Of Tribrach

    14. DETACH/ATTACH OF TRIBRACH 14. DETACH/ATTACH OF TRIBRACH The instrument is easily detached from or attached to the tribrach Tribrach fixing screw Securing screw Tribrach fixing lever Tribrach alignment groove  Detachment  Loosen the tribrach fixing screw.  Loosen the tribrach fixing lever by turning counterclockwise. ...

  • Page 87: Special Mode (Menu Key Operation)

    15. SPECIAL MODE (MENU KEY OPERATION) 15. SPECIAL MODE (MENU KEY OPERATION) Special mode is used for each presetting or measuring as menu shows below. The settings here will be memorized after power OFF. 1st layer MENU 2nd layer MENU 3rd layer MENU 4th layer MENU F1: PARAMETERS...

  • Page 88: Parameters

    High H :10 V :10. 2) WAIT TIME: Setting the waiting time The time the prism is lost before AP-L1A starts the SEARCH during Tracking mode. If the mode is set in “HOLD", mode will not change to SEARCH mode. Setting time 0:00 (0minute 0second) ...
  • Page 89 15. SPECIAL MODE (MENU KEY OPERATION) 5) TRK SPEED: Setting tracking speed(Refer to Chapter 7.3 "Setting tracking parameter"). Setting automatic aiming accuracy or tracking function to the traveling objects in Tracking mode. Selecting items Setting speed Low speed MEDIUM Medium speed HIGH High speed ...

  • Page 90: Meas : Setting Measurement

    Auto correction for both H and V angles. The display of Vertical or Horizontal angle is unstable when AP-L1A is on an unstable stage or in a windy day. You may decide to turn OFF of auto tilt correction function of H/V angle in this case.

  • Page 91: Com : Setting Communication

    15. SPECIAL MODE (MENU KEY OPERATION) 15.1.3 COM : Setting Communication 1) COM. 1: Setting Bit format, Transmission speed (Baud rate) and Terminate for COM-1. Setting AP-L1A and external devices to match each other when performing communication. 1-1) BIT FORMAT: This is communication format for COM-1.
  • Page 92 Setting Bit format , Transmission Speed (Baud rate) and so forth of COM-2 Set AP-L1AN and external device to match each other when performing communication. AP-L1A (with wireless modem) does not have this setting item. 2-1) BIT FORMAT: This is Communication Format for COM-2.

  • Page 93: Programs

    Set point 1-1) WRITE: Input of measuring (control) point Input measuring point by sighting the points one by one with AP-L1A to memorize in Teach Measurement mode. See Chapter 8.2 "Teach measurement " how to operate. Setting range 1point  measuring points  50points...
  • Page 94 Measuring start Measuring start Measuring start Whenever the set cycle time is over regardless if the AP-L1A has completed measuring to all memorized points, the cycle will begin again with the first point. GO: Executing of Teach Function Teach measurement will execute according to the order of measuring point number.

  • Page 95: Area Set:setting Area Range

    15.3.1 REMOTE : Remote Mode (Wireless communication mode) The remote mode is to communicate between AP-L1A and wireless terminal WT-1A/1B. It enables AP-L1A to be controlled for data collection or stakeout by data terminal FS/2. This is only possible when remote mode is activated.
  • Page 96 15. SPECIAL MODE (MENU KEY OPERATION) 15.4 Setting Special Mode [Example 1]: Search Pattern : High Search Range : Horizontal angle 20, Vertical angle 10 Operating procedure Operating key Display  Press [MENU] key from the distance or [MENU] MENU angle display.
  • Page 97 15. SPECIAL MODE (MENU KEY OPERATION) [ Example 2]: To set transfer speed of 9600 baud rate for COM-1 Operating procedure Operating key Display  Press [MENU] key from the distance or [MENU] MENU angle display. F1 : PARAMETERS F2 : PROGRAMS F3 : REMOTE ...

  • Page 98: Selecting Mode

    16. SELECTING MODE 16. SELECTING MODE 16.1 Items of the Selecting Mode By operating the keys, the following modes are available. Menu Items Selecting item Contents F1: ANGLE F1: UNIT DEG (360) Choose degree, gon or mil unit for measuring angle. GON (400G) MIL (6,400M) F2: V-0...
  • Page 99 16. SELECTING MODE F2: SECRET CODE Set Secret code Setting secret code in 4 digits for SECRET function . 16-2...

  • Page 100: How To Set Selecting Mode

    <Example> Setting unit in DEG:Degree,minute,second , EDM mode: Coarse mode 1cm Operating procedure Operating key Display [F2]  While pressing [F2] key, power ON. [PARAMETERS SET] Power ON AP-L1A SECRET: EXIT – – –  –  Input the same secret code which was (Secret PARAMETERS set previously.
  • Page 101 16. SELECTING MODE  Select [F3: EDM MODE] [F3] EDM MODE FINE 0.2mm EXIT    Press [F2](  ) or [F3](  ), set COARSE 1 [F2] EDM MODE cm mode. [F3] EXIT    Press [F4](ENT) key. [F4] ...

  • Page 102: Check And Adjustment

    When there is error between written instrument constant value and calculated value, review the Chapter 17.4 "How to set the instrument constant" procedure. The instrument constant value set at shipping time is attached on label at the bottom of the AP-L1A . ...

  • Page 103: Checking The Optical Axis

    Position a prism about 30 to 50m apart from AP-L1A .  After the power switch ON of AP-L1A, collimate the center of the prism.  After pressing the [F4]() key 3 times to be function as in page 4, press the [F3](S/A) key to set "Set Audio Mode".
  • Page 104 If the difference is within 1' 30", no problem for use. [Example] 90 12' 30" 90 04' 30" Average 90 08' 30" Difference 20" Reading to 90 08' 50" prism center If the difference is more than mentioned value, contact with your Topcon dealer or Topcon. 17-3...

  • Page 105: Checking/Adjusting The Theodolite Functions

    17. CHECK AND ADJUSTMENT 17.3 Checking/Adjusting the Theodolite Functions  Pointers on the Adjustment  Adjust the eyepiece of the telescope properly prior to any checking operation which involves sighting through the telescope. Remember to focus properly, with parallax completely eliminated. ...

  • Page 106: Checking /Adjusting The Plate Level

    17. CHECK AND ADJUSTMENT 17.3.1 Checking /Adjusting the Plate Level Adjustment is required if the axis of the plate level is not perpendicular to the vertical axis.  Check  Place the plate level parallel to a line running through the centers of two leveling screws, say, A and B.

  • Page 107: Adjustment Of The Vertical Cross-Hair

    17. CHECK AND ADJUSTMENT 17.3.3 Adjustment of the Vertical Cross-hair Adjustment is required if the vertical cross-hair is not in a place perpendicular to the horizontal axis of the telescope ( since it must be possible to use any point on the hair for measuring horizontal angles or running lines).

  • Page 108: Collimation Of The Instrument

    17. CHECK AND ADJUSTMENT 17.3.4 Collimation of the Instrument Collimation is required to make the line of sight of the telescope perpendicular to the horizontal axis of the instrument, as otherwise, it will not be possible to extend a straight line by direct means. ...

  • Page 109: Checking / Adjusting The Optical Plummet Telescope

    17. CHECK AND ADJUSTMENT Note 1): First, loosen the capstan adjustment screw on the side to which the vertical cross-hair line must be moved. Then tighten the adjustment screw on the opposite side by an equal amount which will leave the tension of the adjustment screws unchanged. Revolve in the counterclockwise direction to loosen and in the clockwise direction to tighten, but revolve as little as possible.

  • Page 110: Adjustment Of Vertical Angle 0 Datum

    17. CHECK AND ADJUSTMENT 17.3.6 Adjustment of Vertical Angle 0 Datum If when measuring the vertical angle of target A at telescope position normal (direct) and reverse settings, the amount of normal and reverse measurements combined is other than 360 (ZENITH- 0), half of the difference from 360...

  • Page 111: How To Set The Instrument Constant Value

     Turn power switch OFF Power OFF Instrument constant value input limit is  99.9mm, 0.1mm step.   The instrument constant value at shipping time is written on a label and attached to the bottom of the AP-L1A. 17-10...

  • Page 112: Inspection And Adjustment Of Optic Axis For Auto -Tracking

    17. CHECK AND ADJUSTMENT 17.5 Inspection and Adjustment of Optic Axis for Auto -Tracking Pressing [A/M]key activates auto tracking to the prism. Confirm if the center of telescope reticle and the center of the prism is coincided . Any error between them requires adjustment according to the following procedure. ...
  • Page 113  2) SET!! [F3]  Press [F3] (YES) key. The compensation value will be set and memorized to AP-L1A. F1 : ADJ AXIS(M) The display returns TRK menu 2/2. F2 : ADJ AXIS(A) F3 : TRK SPEED ...

  • Page 114: Manual Adjustment Procedure

    AXIS AUTO TRACKING OK  [YES] – – –  Confirm that tracking the prism, and [F3] AXIS (M)  press the [F3] (YES) key.  1) AUTO TRACKING DATA CHECK The measured data will be checked by AP-L1A. 17-13...
  • Page 115  After confirming the display value, [F3] press [F3] (YES) key. The compensation value will be set and memorized to AP-L1A. Confirm if the center of telescope reticle and the center of prism is coincided. If F1 : ADJ AXIS(M) not, repeat from the procedure .

  • Page 116: Prism System

    18. PRISM SYSTEM 18. PRISM SYSTEM  Prism unit A5 type Prism constant -18mm Target pole-2 ( not used with 9 prisms) Prism-2  Pin-pole prism set L1 type Prism constant 22mm/0mm  Pin-pole prism holder  Tilting prism  Tilting prism ...

  • Page 117: Special Accessories

    This is available to make communication with This is multi terminal for the purpose of control AP-L1A, operating of application, transmission AP-L1A and control of , on a radio. and receiving of measured data. Carrying belt to waist gives much help to carry, with battery and battery charger.
  • Page 118 19. SPECIAL ACCESSORIES Data terminal holder type 1 for FS/2 Back pack, Model 2 This is exclusive holder to set FS/2 to Convenient for use in mountainous terrain. commercial pole.  Pole diameter : 26-30mm Prism unit case, Model 6 Prism unit case, Model 3 Fixed 9 prisms unit can be stored in this case.

  • Page 119: Storage Precautions

    ), then store it in the case keeping its objective lens side downward. Storing AP-L1A in any other way other than its case, may cause damage or failure. Hold upper and lower hand grips with both hands, and move directly in or out of its case.

  • Page 120: Error Displays

    21. ERROR DISPLAYS 21. ERROR DISPLAYS Error code Description Countermeasures Displayed when instrument is out of level Level the instrument properly Tilt Over beyond compensation range. Displayed when measurement carried Set correction for refraction and earth out within 9 from zenith or nadir at the curvature mode OFF or measure out of OVER 9...
  • Page 121 Ask your dealer or head office to replace the back up battery.  If errors still persist after attempting to clear them, contact your local TOPCON dealer or TOPCON Head office. 21-2...

  • Page 122: Specifications

    22. SPECIFICATIONS 22. SPECIFICATIONS Telescope Length 173mm Objective lens 50mm 30  Magnification Image Erect Field of view 1 30' Resolving power 3.5" Minimum focus 1.5m Automatic Tracking Automatic Tracking speed range 1 Angular speed 10/sec Angular acceleration 10/sec Automatic Tracking range 2 Scanning range Scanning range Scanning range...
  • Page 123 22. SPECIFICATIONS Manual Driving Maximum rotating speed 5 45/sec Coarse movement Shuttle driving (in 7 steps) Fine movement Jog driving (minimum step about 1 second) 5 By reverse, rotating instruction Distance Measurement Measurement range : Normal condition 6 Prism Prism type 2, with 1 prism 1,000 m (3,300ft) Prism type 2, with 5 prisms 1,300 m (4,300ft)
  • Page 124 22. SPECIFICATIONS Angle Measurement Method Incremental reading Detecting system Horizontal angle 2 sides Vertical angle 2 sides Minimum reading 1"/5" (0.2mgon/1mgon,0.01mil/0.1mil) reading Accuracy 2"(Standard deviation based on DIN 18723 in 1"reading ) Diameter of circle 71mm Tilt Correction (H/V angle) System Automatic correction in 2 axis (Correction On / OFF) Method...
  • Page 125 Auto-Tracking of a still object approx.5 hours Auto-Tracking of a moving object approx.4 hours 9 Differs with the type of wireless modem. 10 Differs with operation condition of AP-L1A. 11 Differs with the conditions of operating, recharging mark light battery or temperature. 22-4...

This manual is also suitable for:

Ap-l1an

Table of Contents