Topcon GC-35 Quick Reference Manual
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Topcon GC-35 Quick Reference Manual

Paver and profiler control box
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GC-35
Paver and Profiler Control Box
Quick Reference Guide

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  • Page 1 GC-35 Paver and Profiler Control Box Quick Reference Guide...
  • Page 3 ©Copyright Topcon Positioning Systems, Inc. January 2017 All contents in this manual are copyrighted by Topcon. All rights reserved. The information contained herein may not be used, accessed, copied, stored, displayed, sold, modified, published, or distributed, or otherwise reproduced without express written consent from...

  • Page 4: Terms And Conditions

    Copyrights and Trademarks The information in this manual is a copyright of Topcon and is for use only with the product. GC-35, Sonic Tracker II, and Topcon are trademarks or registered trademark of Topcon Positioning Systems, Inc. Windows and the Windows CE icon are registered trademarks of Microsoft Corporation.
  • Page 5 GC-35 Setup • • • • • • Features Auto Indicator LED Auto Button USB Port Light Sensor Survey Button USB Cap Elevation Indicator (Removed) LED (Green) Menu Selection Buttons Slope Indicator Jaw Mount LED (Yellow) Slope/Elevation Grade Adjustment Button*...

  • Page 6: First Time Setup

    Set the Valve Offsets from the Performance Menu. See “Setting Valve Offsets (Raise and Lower) for Paver” on page 7. or See “Setting Valve Offsets (Raise and Lower) for Profiler” on page 10. Powering the Control Box On/Off Startup Screen Shutdown Screen Shutting Down GC-35 Config File Name config: 15 Machine Type Power On/Off Button...

  • Page 7: Control Screen

    Control Screen The Control Screen displays when you power on the control box. It is your interface with the components of your Topcon System. The Control Screen changes depending on how you have configured your Control Box and your Topcon System.

  • Page 8: Performance Menu

    Performance Menu Follow these steps to access the Performance Menu, select Performance Menu items, and make changes. 1. From the Control Screen, press the Menu/Set button. Rotate the Grade Adjustment Knob to scroll through the menu selections displayed on the screen, and press the Enter button to select a menu item.
  • Page 9 Press to highlight the value in blue, and then use the Grade Adjustment Knob to change the value. Press Enter Turn Grade Adjustment Knob Press OK Press to store the value (Figure 3), or press to cancel and revert back to the original value.. If power is interrupted to the Control Box within two seconds after making an adjustment, the Control Box does not have time to store the new setting and reverts to previous (or original) settings.
  • Page 10 Set point, + Sensor, Both sides +Sensor Units in, ft, cm System Info Displays the Topcon logo, copyright date, and current firmware version. Interface to Update Control Box and ST-3 Firmware. Sonic Tracker 3 Surface, Stringline, Use at power up Surface Slope Res.

  • Page 11: Paving Applications

    Paving Applications Setting Valve Offsets (Raise and Lower) for Paver Set the Valve Offsets first, before setting any other Performance Menu items. The offset value on one side of the paver may differ from the offset value on the other side of the paver. You must verify the offset values before swapping boxes.

  • Page 12: Getting Started Paving Using Elevation Control

    Getting Started Paving Using Elevation Control 1. Setup the paver screed as you would to start paving manually. Power up the Control Box and select Elevation Control by pressing the Slope/Elevation button until the green LED above the elevation symbol lights up. Position the Sonic Tracker over the grade reference.
  • Page 13 Place the screed on the ground and null it out. Power up the Control Box and select Slope Control by pressing the Slope/Elevation button until the yellow LED above the slope symbol lights up. Press Survey. a. If the On-grade bar lights up, and the screen displays a slope value that is identical to the laser or Smart Level, press the Auto button to put the Control Box into Automatic control, and begin paving.

  • Page 14: Profiler (Milling) Applications

    Profiler (Milling) Applications Setting Valve Offsets (Raise and Lower) for Profiler Set the Valve Offsets first, before setting any other Performance Menu items. The offset value on one side of the profiler may differ from the offset value on the other side of the profiler. You must verify the offset values before swapping boxes.

  • Page 15: Getting Started Milling Using Elevation Control

    Getting Started Milling Using Elevation Control 1. Setup the profiler as you would to start milling manually. Power up the Control Box and select Elevation Control by pressing the Slope/Elevation button until the green LED above the elevation symbol lights up. If you are using both a sonic tracker and a yoyo sensor, pressing the Slope/Elevaton button cycles through the sonic tracker , the yoyo sensor...

  • Page 16: Getting Started Milling Using Slope Control

    Use the Grade Adjustment Knob as needed to make changes to the cutting depth. Once steps 1-6 have been done when using yoyo sensors, the actual cutting depth will always be shown. Only steps 7 to 9 will be required. Getting Started Milling Using Slope Control 1.
  • Page 17 b. If the slope displayed in the box does not match the surface, then you must calibrate the slope sensor. Press and hold the Menu/Set button, then turn the Grade Adjustment Knob to change the display’s slope percentage to match the slope of the surface. Press the Auto button to switch to Auto, and begin milling.

  • Page 18: Adjusting The Setpoint Value While In Automatic Control

    General Features Adjusting the Setpoint Turn On Turn Off Value Before You Start AUTO AUTO 0.20 Press Survey Press 0.18 0.40 and Hold Adjusting the Setpoint value does Menu/Set not change the existing depth, it Button 0.40 only changes the reference number viewed on the display Turn Grade The Setpoint value changes to Red...

  • Page 19: Cross Communication

    Cross Communication Pressing the Cross Communication button allows you to remotely control a secondary Control Box. When the Cross Communication Indication Arrows display on the Control Screen, Cross Communication is active. The bottom half of the Control Screen shows the settings of the secondary box. 1.
  • Page 20 While holding Cross Communication, you can view or make the following changes to the settings in the secondary box: • Switch the secondary Control Box into Automatic or Manual mode. • Adjust the slope or elevation values using the Grade Adjustment Knob. •...
  • Page 21 If using the ST-3 Sonic Tracker with a Topcon System Five™ Control Box, only Surface Mode is available. To use Stringline Mode, you must use a GC-35 Control Box. P/N: 1001548-01 General Features...

  • Page 22: Loading And Saving Machine Configuration Files

    Loading and Saving Machine Configuration Files From the GC-35 Performance Menu you can load and save machine configuration files from a USB drive and/or select files from a list. You can save a maximum of twenty machine configuration files to the GC-35.

  • Page 23: Selecting Language Type

    To save and use the configuration file, select Use, and press To save the configuration file to a USB key, insert a USB key into the USB port, select Copy to USB, and press Selecting Language Type 1. From the Performance Menu, select Language, and press the Enter button Select from English, Deutsch, Nederlands, Espanol, or Francais to change the user interface language on the Control Box, and press P/N: 1001548-01...

  • Page 24: Troubleshooting

    Troubleshooting • • • • • • In Slope Control, Slow Tow Point Cylinder Response in One Direction (Raise or Lower) Solution: From the Performance Menu, decrease the Valve Offset value of the direction (either Raise or Lower) in which the tow point cylinder moves faster.
  • Page 25 5. If using stringline, verify that the line is not bouncing. Sonic Tracker Picks Up the Ground, but Does Not Pick Up a Stringline Solution: To verify if the Tracker detects the stringline, set up the Tracker at least 16 inches over the stringline, then pull up on the stringline slowly, and verify that the sensor reading on the Control Box’s Control Screen immediately changes.

  • Page 26: Safety Warnings

    Safety Warnings • • • • • • General Warnings This product should never be used: • Without the operator thoroughly understanding the Operator’s Manual and Quick Reference Guide. • After disabling safety systems or altering the product. • With unauthorized accessories. •...
  • Page 28 Specifications subject to change without notice. All rights reserved. 1001548-01 Rev C 01/17 ©2017 Topcon Corporation...

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