Introduction
This manual provides detailed instructions for the safe and effective use of your Discovery Laser Rangefinder. Please read this manual thoroughly before operating the device and keep it for future reference.
The Discovery Laser Rangefinder series (D600, D800, D1200, D2000, D4000) offers high-definition, portable distance measurement using laser technology. It is designed for various outdoor activities requiring precise distance readings.
Safety Information
WARNING: This is a Class 1 Laser Product. Do not stare directly into the laser beam or view directly with optical instruments. Serious eye injury could result.
- Do not disassemble or attempt to repair the device yourself.
- Keep out of reach of children.
- Avoid exposing the device to extreme temperatures, direct sunlight, or moisture.
- Use only the specified battery type.
- Dispose of batteries properly according to local regulations.
Package Contents
Verify that all items are present in your package:
- Discovery Laser Rangefinder (D600/D800/D1200/D2000/D4000 model)
- Carrying Case
- Lanyard
- Cleaning Cloth
- User Manual (this document)
- Battery (CR2, 3V) - Note: Battery may be pre-installed or included separately.
Description for non-visual users: An image showing the rangefinder, a black and red zippered carrying case, a small instruction manual, a lanyard, and a cleaning cloth, all neatly arranged next to the product box.
Setup
1. Battery Installation
- Locate the battery compartment on the side or bottom of the rangefinder.
- Twist or slide open the battery compartment cover.
- Insert one CR2 3V battery, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
Description for non-visual users: A close-up image showing a CR2 3V battery being inserted into the battery compartment of the camouflage rangefinder, with the screw-on cap removed.
2. Attaching the Lanyard
Attach the included lanyard to the designated loop on the rangefinder to prevent accidental drops.
3. Powering On/Off
Press the Power button (usually the top button) to turn the device on. The display will activate. To turn off, press and hold the Power button, or the device will automatically power off after a period of inactivity to conserve battery.
Description for non-visual users: A top-down view of the rangefinder showing two black rubberized buttons. The top button is labeled with a power icon, and the bottom button is labeled "MODE".
Operating Instructions
1. Adjusting Focus
Rotate the eyepiece to adjust the focus until the display and the target appear clear and sharp.
2. Changing Measurement Units (Meters/Yards)
With the device powered on, press and hold the MODE button to switch between meters (M) and yards (Yd).
3. Measuring Distance
- Look through the eyepiece and aim the reticle at your desired target.
- Press the Power button once. The laser will activate, and the distance to the target will be displayed in the viewfinder.
- Keep the device steady during measurement for accurate results.
Description for non-visual users: A circular view through the rangefinder's eyepiece, showing a bird flying over water. Digital readouts indicate "97 M" (meters) at the top and "100" at the bottom, with a battery icon.
Description for non-visual users: A circular view through the rangefinder's eyepiece, showing a landscape with houses and flowers. Digital readouts indicate "V" and "Yd" at the top, and "234" at the bottom, with a battery icon.
4. Mode Selection
Press the MODE button (short press) to cycle through different measurement modes. Available modes may include:
- Standard Ranging Mode: Measures straight-line distance to the target.
- Flagpole Lock Mode: Helps identify the flagpole from background objects, locking onto the closest target.
- Scan Mode: Allows continuous measurement as you pan across multiple targets.
- Angle Measurement Mode: Provides horizontal distance and angle of inclination.
- Speed Measurement Mode: Measures the speed of a moving target.
Refer to the display icons for the currently selected mode.
Maintenance
- Cleaning Lenses: Use the provided cleaning cloth or a soft, lint-free cloth to gently wipe the lenses. Do not use abrasive materials or chemical cleaners.
- Storage: When not in use, store the rangefinder in its carrying case in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery: Remove the battery if the device will not be used for an extended period to prevent leakage.
- Water Resistance: The device is designed to be water-resistant, but it is not waterproof. Avoid submerging it in water.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low or dead battery; incorrect battery installation. | Replace battery; check battery polarity. |
| Inaccurate measurements. | Unstable aiming; dirty lenses; target too small or reflective. | Hold device steady; clean lenses; aim at a larger, less reflective part of the target. |
| "Error" or no reading displayed. | Target out of range; heavy fog/rain; laser path obstructed. | Ensure target is within specified range; use in clear conditions; ensure clear line of sight. |
| Display is blurry. | Eyepiece not focused. | Rotate the eyepiece to adjust focus. |
Specifications
| Feature | Detail |
|---|---|
| Model Numbers | D600, D800, D1200, D2000, D4000 |
| Measurement Distance | Up to 600m, 800m, 1200m, 2000m, or 4000m (depending on model) |
| Operation System | Laser |
| Laser Type | Class 1 Laser Product |
| Battery Type | CR2 3V |
| Dimensions (Approx.) | 10cm (Length) x 7.2cm (Width) x 3.7cm (Height) |
| Origin | Mainland China |
Description for non-visual users: A front-side view of the camouflage-patterned rangefinder, showing the objective and eyepiece lenses. The model name "DISCOVERYOPT D2000" is visible on the side.
Description for non-visual users: A top-down view of the rangefinder with arrows and text indicating its dimensions: 10cm length, 7.2cm width, and 3.7cm height.
User Tips
- For best accuracy, especially at longer distances, try to brace your hands or use a stable surface when taking measurements.
- In low light conditions or when targeting dark objects, the rangefinder's performance might be slightly reduced.
- The camouflage pattern helps blend the device into natural environments, useful for hunting or outdoor observation.
Warranty and Support
For warranty information, technical support, or service inquiries, please contact the Discovery Official Store directly through the platform where you purchased the product. Keep your purchase receipt as proof of purchase.
Contact Information: Refer to your purchase platform for seller contact details.
