Newcon Optik LRM 2500 Operation Manual
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Newcon Optik LRM 2500 Operation Manual

Laser range finder monocular
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Operation Manual
LRM 2500 / LRM 2500CI
LASER RANGE FINDER
MONOCULAR
105 Sparks Ave., Toronto, ON M2H 2S5, Canada

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Summary of Contents for Newcon Optik LRM 2500

  • Page 1 Operation Manual LRM 2500 / LRM 2500CI LASER RANGE FINDER MONOCULAR 105 Sparks Ave., Toronto, ON M2H 2S5, Canada...
  • Page 3 IMPORTANT INFORMATION Read prior to activation You have just purchased a sophisticated electro-optical device that emits invisible laser radiation. To operate it properly, please read this manual carefully.  NEVER direct laser beam at the eyes of people or animals ...
  • Page 4  Prevent bright light from focusing through the eyepieces  Never aim the unit at highly reflective objects like mirrors and retroreflective surfaces, which are in close proximity to the laser rangefinder. This can lead to the permanent damage of the photoreceiver incorporated into the device.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS BRIEF DESCRIPTION DEVICE APPEARANCE DELIVERY SET SPECIFICATIONS OPERATION INSTRUCTIONS Using the Device Factors affecting measuring distance Target selection logic Operation and service modes Accuracy correction Compass calibration (CI model only) Setting interface format (CI model only) Gating mode Data Recall mode Computer interconnectivity GPS interconnectivity (CI model only)

  • Page 6: Brief Description

    FAILURE TO OBEY THE INSTRUCTIONS WILL VOID THE WARRANTY AND MAY CAUSE INJURY! 1. BRIEF DESCRIPTION LRM 2500 / LRM 2500CI Laser Rangefinder Monocular (The unit) is an advanced laser range finder system that enables instant distance, speed, vertical and horizontal angular measurements.
  • Page 7 Key Features of the LRM 2500/2500CI Laser Rangefinder Monocular  Modern digital circuitry allows targeting through most types of glass  First, last or the most reflective target acquisition  Meters/Yards/Mils/Degrees/KMH/MPH display  Last 10 measurements recall  Selectable reticle shape (+ or  ) ...

  • Page 8: Device Appearance

    2. DEVICE APPEARANCE Fig. 1.1 Front view 1 – Eyepieces 2 – Objective lens 3 – Laser emitter lens 4 – Receiver lens 5 – M (Mode) button 6 – A (Action) button 7 – Body of the device 8 – Rubber grip...
  • Page 9 Fig. 1.2 Rear view 1 – Eyepiece 11 – Identification imprint 9 – Battery compartment cover 12 – Classification imprint 10 – Tripod socket...
  • Page 10 Fig. 2 Display 1 – Low battery indicator 2 – Reticle (either -¦- or ) 3 – Units of measurement 4 – Measurement result 5 – Gating indicator 6 – Laser active indicator 7 – Ready mode indicator 8 – Setup mode indicator...

  • Page 11: Delivery Set

    3. DELIVERY SET Standard delivery set for LRM 2500CI includes: LRM 2500CI 1 pc. Carrying case 1 pc. Neck strap 1 pc. Cleaning cloth 1 pc. User’s manual 1 pc. Warranty card 1 pc. RS-232 Computer cable 1 pc. CD with communication software 1 pc.

  • Page 12: Specifications

    4. SPECIFICATIONS Optics Magnification Objective lens diameter 25 mm Exit pupil diameter Field of view 8 Type of coating Fully multi-coated optics Dioptre adjustment range ±4 Range Finder Laser Class 1, eye safe, 905 nm Measuring range 10 – 2,500 m 1 m Accuracy and display resolution First, last and auto target...
  • Page 13  1 km/h or mph Accuracy Compass (CI Model only) Measured azimuth range 6400 mils /360 Accuracy ±1 Inclinometer (CI Model only) Measured elevation range ±60 Accuracy ±1 Height measuring Yes (Meters or Yards) Power Battery 9V Lithium (non-magnetic) Battery capacity Min 5,000 measurements (Scanning regime) 'Low Battery' indicator...

  • Page 14: Operation Instructions

    Note: Battery in metal casing will diminish compass accuracy. Non-magnetic batteries should be used for the utmost compass performance. LRM 2500/2500CI is equipped with battery monitoring sensor. If display shows “LOW BATTERY” warning when battery voltage falls below 6.5V this indicates that...

  • Page 15: Using The Device

    You can still get readings, but the battery needs to be replaced soon. Using the Device The LRM 2500/2500CI operational procedures are design to allow the user to use most applicable options in the fastest time possible. To activate it, press and hold Action button (6, Fig.1.1) for one second.

  • Page 16: Factors Affecting Measuring Distance

    Factors affecting measuring distance Though maximum measurement distance depends on target reflectivity, weather conditions and other conditions, for most targets the unit will provide accurate ranging for up to 2,000 meters. Under good conditions a large size target can be measured up to 2,500 meters. Target reflectivity depends on its color, surface finish, size, shape, position in relation to the laser beam, etc.

  • Page 17: Target Selection Logic

    Target selection logic On its way towards the target the laser beam may be reflected from various objects, thus decreasing ranging accuracy. The smaller, the farther, and the less reflective is the target – the higher is the possibility of obtaining an incorrect measurement.

  • Page 18: Operation And Service Modes

    To activate Scanning regime press and hold Action button in Ready mode. The unit will work in Scanning regime while Action button is pressed. Scanning or Individual Measurement regimes are available for any selected mode of measurement. When two or more parameters are measured in Scanning regime though first result will be displayed, the second and other results will be shown at the display if Action button is released.
  • Page 19 Compass Only (C) Elevation Only (E) Speed Only (S) Height Only (H) Speed + Distance (Sd) Distance +Compass + Elevation (dCE)  Unit – allows the user to select units of desired measurements, Distance from M to Y Compass & Elevation from Mils to Degrees Speed from KMH to MPH* *note this option is only available if Std...

  • Page 20: Accuracy Correction

    CAL – Compass calibration CALc – compass calibration ▪ (CI model only) Corr – accuracy correction of ▪ active measurement parameters *not shown in the menu if currently selected 1 – available for CI model only. Accuracy correction If the System produces any measurement errors that lie beyond unit specification, it may be an indication that unit requires calibration similar to one conducted at production level.
  • Page 21 Install unit at 1 meter Distance, from flat target azimuth and controlling its level elevation position and direction to the North 1 – Accuracy of correction will depend on accuracy of installation against target. If distance is 0.9 meters, then unit will have 0.1 m offset during all future measurements.

  • Page 22: Compass Calibration (Ci Model Only)

    Compass calibration (CI model only) If the System was exposed to a strong magnetic field or was not in use for a long time, the compass accuracy may diminish. To return the compass into working condition:  Select CALc from CAL menu ...

  • Page 23: Gating Mode

    Gating mode In this mode gating function is activated: here user can set the minimal distance to the target, any object closer than the gating distance will be ignored. To select Gating Mode:  Select GAtE from mode menu Minimal gating distance of 000 m will be initially set, further pressing M button will increase gating distance by 100 m up to 2,400 m.

  • Page 24: Data Recall Mode

    Data Recall mode In Data Recall mode results of the last 10 measurements can be displayed. Measurement results are saved in on-board memory in sets depending on the parameters set for measuring, for instance, if only distance is measured - the set will consist of one number, if distance and azimuth are measured –...

  • Page 25: Computer Interconnectivity

    Computer interconnectivity The unit supports RS-232 interface. Physical connection is performed through connector with threaded coupling mechanism, designed for the heavy-duty outdoor applications. Note: Do not apply excessive force when disconnecting cable. Damage to cable or connector resulting from improper treatment is not covered by warranty. To attach the cable to the rangefinder match the key on the plug (1) with the corresponding key on the socket and then push gently the plug holding it by its casing (3) until...

  • Page 26: Gps Interconnectivity (Ci Model Only)

    GPS interconnectivity (CI model only) LRM 2500CI can transmit the acquired data to a GPS receiver using DB15 connector and PLGR/DAGR protocol. An optional cable is required. To work with GPS, perform the following steps:  Switch the rangefinder to PLGr mode; ...

  • Page 27: Best Measuring Technique

    6. BEST MEASURING TECHNIQUE Laser range finder measures distance by catching laser beam reflected from the target. Everything that improves reflection increases the measurement reliability and maximum range. 1. Use tripod when ranging remote targets. The longer is the distance, the greater is the beam shift due to hand tremor.
  • Page 28 4. Another way to improve reliability of measurement is to use gating mechanism. If gating is active reflections from all objects closer than the gating distance will be ignored. This is especially effective when ranging in unfavourable atmospheric conditions, that is, in the rain, fog, haze or in the bright sun.

  • Page 29: Storage And Maintenance

    7. STORAGE AND MAINTENANCE The unit is a sophisticated precision optical instrument equipped with laser and electronics. Therefore, it should be handled with due care.  Keep away from direct sunlight.  Avoid impacts, jolts, dust, moisture, and sharp changes of temperature. ...

  • Page 30: Troubleshooting

    8. TROUBLESHOOTING Ranging does not work. The display is transparent. Check the charge of the battery. Replace it if it is weak. Ranging does not work. The display indicates results of the last measurement. Wait for 8 seconds until the display becomes transparent, and press the Action button again.

  • Page 31: Warranty

    Postage, insurance, and shipping costs incurred while presenting your NEWCON product for warranty service are your responsibility. If shipping from North America please include a cheque or money order payable to NEWCON OPTIK for the amount of US$15.00 to cover handling and return shipping.

  • Page 32: Customer Support

    CUSTOMER SUPPORT Should you experience any difficulties with your NEWCON OPTIK product, consult the enclosed manual. If the problem remains unresolved, contact our customer support department at (416) 663-6963 or toll free at 1- 877-368-6666. Our operating hours are 9am-5pm, Monday - Friday, Eastern Standard Time.

  • Page 33: Quality Certificate

    11. QUALITY CERTIFICATE Serial number _____________________________ The unit indicated above has passed the quality inspection. Production date Quality Inspector Purchase date...
  • Page 36 NEWCON OPTIK Printed in Canada...

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