Spectra Precision GL412N User Manual
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Spectra Precision GL412N User Manual

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Kenneth Walkowiak
March 12, 2025

the green light is steady then starts flashing with out the unit being touched

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1 comments:
Mr. Anderson
May 14, 2025

If the green light on the Spectra Precision GL412N is steady and then starts flashing without being touched, it likely indicates the laser is in pairing mode or attempting to communicate with the receiver. This behavior is part of the pairing or fingerprinting process between the laser and the HL760 receiver.

This answer is automatically generated

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Summary of Contents for Spectra Precision GL412N

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction For Your Safety Components How to Use the Laser System Powering the Laser Turning On/Off the Laser Turning On/Off the Radio Remote Control Pairing the remote control and the HL760 receiver with the transmitter Laser Setup Standard Features Manual Mode Mask mode...
  • Page 3 Setting menu details HI-alert selection Grade Entry Grade Display Sensitivity Language Radio Channel CALIBRATION Checking Calibration of the Y- and X-Axes Checking Calibration of the Z-(vertical) Axis PROTECTING THE UNIT CLEANING AND MAINTENANCE PROTECTING THE ENVIRONMENT WARRANTY TECHNICAL DATA...

  • Page 4: For Your Safety

    Introduction Thank you for choosing one of the Spectra Precision Lasers from the Trimble family of precision lasers. The grade laser is an easy-to-use tool that offers accurate horizontal, vertical and sloped laser reference up to 1300 ft (400 m) away using a receiver.
  • Page 5 GL4X2N - Components...

  • Page 6: Components

    Components a Power Button l Sunshade b Battery LED m Sighting Guides c Manual/Standby Button n Axes-Alignment-Marks d Leveling LED o Recharge Jack e Manual/HI-Warning LED p Handle f Up and Down Arrow Buttons q Battery door g Left and Right arrow Buttons r 5/8x 11 Tripod Mounts h M –...
  • Page 7 Powering the GL 1 – GL is shipped with a rechargeable NiMH battery pack, it is keyed to prevent mis-insertion. 2 – The rechargeable battery pack can be charged inside of the unit 3 – Alkaline batteries can be used as a backup 4 –...
  • Page 8 Recharging the Batteries The laser is shipped with a rechargeable NiMH-battery pack. Note: The battery LED shows the approximate charge of the batteries. The LED will flash when battery voltage is between 3.8 and 4.0 volts. The LED will be on continuously when battery voltage is less than 3.8 volts. The charger requires approx.
  • Page 9 RC402N Radio Remote Control Powering the RC402N 1. Open the battery door using a coin or similar pry device to release the battery door tab on the RC402N. RC402N will be shipped with alkaline batteries Rechargeable batteries can be used optional but need to be charged externally 2.
  • Page 10 Pairing the remote control with the transmitter First, make sure the transmitter and the remote control are turned off. Then press and hold the Manual button and turn on the transmitter. During the next 6 seconds repeat the same steps on the remote control. The transmitter’s displays show the following information: The transmitter and remote’s display show Pairing OK for one second and then the same information as shown at the laser’s LCD to indicate the transmitter has been...

  • Page 11: Turning On/Off The Laser

    When the temperature/reference check has been finished, the standard display appears and the A symbols flash until self-leveling has been completed. GL412N - vertical setup - GL422N GL412N - horizontal setup - GL422N Pressing and holding the E button shows the actual rotation speed and the internal temperature.
  • Page 12 Features and Functions Standard Display The remote control mirrors the functionality of the laser keypad Battery status laser HI alert function Mask mode indication is activated M-Button: Quickly press and release starts the MENU entry and can be used to return to the previous menu position E-Button: Quickly press and release starts the selected mode...

  • Page 13: Standard Features

    Standard Features Manual mode Pressing and releasing Manual button activates/deactivates the manual mode regardless if set up horizontal or vertical. Manual mode is indicated by horizontal lines next to the axes symbols and a M. In Manual mode (horizontal), the Y-axis can be sloped by pressing the Up- and Down- Arrow buttons on the laser‘s keypad or the remote control.

  • Page 14: Activating/Deactivating Standby Mode

    Activating/Deactivating Standby mode Press and hold the Manual button at the laser or remote control for 3 seconds activates the Standby mode. The self-leveling will be stopped and the beam will be turned off while the HI alert is still active. The display shows Standby and the HI/MAN-LED flashes red every 5 seconds.
  • Page 15 Menu Functions Press and release M button at the Standard Display to enter the MENU. The menu offers always only the features which can be selected depending on the setup (horizontal or vertical). The actual available function will be marked in arrow brackets >> <<. A down arrow at the the right site indicates that the user can scroll down through the menu using the down arrow button.

  • Page 16: Y-X-Grade Entering

    Y-X-grade entering Step and Go mode Quickly press and release button M opens the menu. >>Grade<< will be shown. Press/release button E  Both grade values will be shown. Press/release M button  escape/return to the standard display. Press and hold button Left or Right to change X- axis grade value (only GL422N) after the comma;...
  • Page 17 Y-X-grade entering Digit Select mode (Default) Quickly press and release button M opens the menu. >>Grade<< will be shown. Press/release button E  Both grade values will be shown and a cursor flashes at the +Y sign. Press/release M button  escape/return to the standard display. Pressing and releasing Right or Left button moves the cursor to the right/left and in a circle to the next row.

  • Page 18: Selecting Rotation Speed

    Selecting the Rotation speed Quickly press and release button M opens the menu. Repeatedly press the down arrow button until >>Rotation<< will be marked. Press/release button E  Both rotation values will be shown. Repeatedly pressing buttons Up/Down toggles between 300 and 600 rpm (Default) regardless if the unit is in automatic or manual mode.

  • Page 19: Automatic Planelok Mode

    Automatic PlaneLok mode The PlaneLok mode can be activated in horizontal automatic and vertical automatic and manual mode. In PlaneLok mode when set up horizontal, the beam will be locked to a fixed elevation point (up to 100 m (330 ft) located on the Y-axis of the laser.

  • Page 20: Mask Mode

    Mask mode Press and release the M button at the Standard Display and select >>Mask Mode<<. Depending on which side the beam should be turned off, the required side can be selected. Press and release the E button, the mask symbol occurs. For selecting the side, press and release one of the arrow buttons.

  • Page 21: Info

    Info Press and release the M button at the Standard Display and select >>Info<<. Up and Down Buttons can be used to toggle between About LS, Runtime and Radio Press and release button E to confirm the selection. The laser information (software version, serial number.), the runtime of the GL or the radio channel will be displayed.
  • Page 22 Setting Menu Press and release the M button at the Standard Display and select >>Settings<<. Press and release button E to open the Setting Menu; select the desired function then press button E to open the selected submenu function OR start the selected function. HI-alert Selection Select HI Alert and press and release button E to open the HI-Alert menu.
  • Page 23 Sensitivity Selection Select >>Sensitivity<< and press and release button E to open the Sensitivity menu. The desired Sensitivity: Low, Middle(Default) and High) can be selected using the Up/Down buttons. Press and release button E to confirm the selected Sensitivity. Select Language Select >>Language<<...
  • Page 24 Troubleshooting Any error message can be deleted with a short press of button E. The table shows the related description and possible solutions. The next service center should be contacted if a different error message as shown at the table will be displayed.
  • Page 25 CALIBRATION Checking Calibration of the Y- and X-Axes 1. Set up the laser 30 m (100 ft) from a wall and allow it to level. 2. Allow the unit to warm up for 20 minutes. 3. Set the grade to 0.000% in both axes. 4.
  • Page 26 PROTECTING THE UNIT Do not expose the unit to extreme temperatures or temperature changes (do not leave inside the car). The unit is very robust and can resist damage if dropped even from tripod height. Before continuing your work, always check the leveling accuracy. See Checking Calibration section. The laser is water proof and can be used indoors and outdoors.
  • Page 27 Warranty Trimble warrants the GL422N/GL412N to be free of defects in material and workmanship for a period of five years. Trimble or its authorized service center will repair or replace, at its option, any defective part, or the entire product, for which notice has been given during the warranty period. If required, travel and per diem expenses to and from the place where repairs are made will be charged to the customer at the prevailing rates.
  • Page 28 ± 0,9 mm/30 m / 1°C; 1/16” @ 310 ft. @ 1°F Grade temperature drift sensitivity: Grade range -10% to +15% (Dual Axes GL422N) -10% to +15% (Single Axis GL412N) Rotation speed: 300, 600 rpm Operational area appr. 400 m (1300 feet) radius with detector...
  • Page 29 Following is the valid declaration: Trimble Kaiserslautern GmbH Declare under our sole responsibility that the products GL422N/GL412N and RC402N To which this declaration relates is in conformity with the following standards: EN300 440-2 V1.1.1:2004, EN301 489-03 V1.4.1:2002, EN301 489-01 V1.4.1:2002, EN50371:2002 following the provisions of directive R&TTE 1999/5/EC...
  • Page 30 Electro-Magnetic Compatibility Compliance statement (part 15.19) This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning (part 15.21) Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

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Gl422n

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