1. Introduction
Thank you for choosing the Vector Optics Paragon 7x25 GenIII Laser Rangefinder. This device is designed to provide precise distance measurements for various outdoor activities, featuring advanced digital ballistic capabilities, angle compensation, and a rapid response time. This manual will guide you through the setup, operation, and maintenance of your new rangefinder to ensure optimal performance and longevity.
Figure 1: Vector Optics Paragon 7x25 GenIII Laser Rangefinder
2. Key Features
- Ultra Compact Design: Features only Range and Mode buttons for intuitive operation.
- High Magnification & Wide Range: 7x magnification with a ranging capability of 5-2400 yards (or meters).
- Extensive Target Ranging: Capable of ranging deer up to 1100 yards and buildings up to 2000 yards.
- Scan Mode: Allows for continuous measurement to acquire multiple targets quickly.
- Angle Compensation: Provides sloped true horizontal, height, and line of sight distances.
- Superior Optics: Fully Multi-Coated lenses for clear and bright images.
- OLED Display: Bright and clear Organic Light-Emitting Diode display.
- Rapid Response: Achieves measurements in just 0.1 seconds.
- Digital Ballistic Integration: Compatible with the free-downloadable AB Synapse - SORD® app (Ultralite Ammo Database Version).
Figure 2: Key features including OLED display and angle compensation
3. Setup
3.1 Battery Installation
- Locate the battery compartment cover, usually at the bottom or side of the device.
- Unscrew or open the cover.
- Insert one CR2 battery (not included) with the correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
3.2 Power On/Off
- To power on, press the Power button (
). The OLED display will illuminate. - The device features an auto shutoff function after 10 seconds of inactivity to conserve battery life.
Figure 3: Power and Mode buttons
3.3 Focus Adjustment
- Look through the eyepiece.
- Rotate the diopter adjustment ring (usually located near the eyepiece) until the display and target appear sharp and clear.
3.4 Unit Selection (Meters/Yards)
- With the device powered on, press and hold the Mode button () for a few seconds until the unit changes between Yards (Y) and Meters (M).
- Release the button once your desired unit is displayed.
4. Operating Instructions
4.1 Basic Ranging
- Power on the device.
- Aim the reticle at your desired target.
- Press the Power/Range button briefly. The distance to the target will be displayed on the OLED screen.
4.2 Scan Mode
- To activate Scan Mode, press and hold the Power/Range button.
- Pan the rangefinder across multiple targets. The display will continuously update with distances to different objects.
- Release the button to exit Scan Mode.
4.3 Angle Compensation
- The Paragon GenIII automatically calculates and displays angle-compensated distance (horizontal distance), line of sight distance, and vertical height.
- These values are displayed alongside the direct distance measurement on the OLED screen, especially useful for uphill or downhill shots.
Figure 4: OLED display with ranging and angle compensation information
4.4 Digital Ballistic Integration
- The rangefinder is designed to integrate with the AB Synapse - SORD® application.
- Download the app to your smartphone.
- Follow the app's instructions to pair your rangefinder and utilize its digital ballistic features, which can provide precise holdover solutions based on your ammunition and environmental conditions.
5. Maintenance
5.1 Cleaning
- Lenses: Use a soft, lint-free cloth (microfiber is ideal) specifically designed for optics. Gently wipe the lens surfaces. For stubborn smudges, use a small amount of lens cleaning fluid applied to the cloth, not directly to the lens.
- Housing: Wipe the body of the rangefinder with a soft, damp cloth. Avoid harsh chemicals or abrasive materials.
5.2 Battery Replacement
- When the battery indicator on the display shows low power, replace the CR2 battery as described in Section 3.1.
- Always dispose of used batteries responsibly.
5.3 Storage
- Store the rangefinder in a cool, dry place, away from direct sunlight and extreme temperatures.
- If storing for extended periods, remove the battery to prevent leakage.
- The device has an IPX4 waterproof rating, meaning it is resistant to splashing water from any direction. However, it is not designed for submersion.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Dead or incorrectly installed battery | Check battery polarity; replace with a new CR2 battery. |
| Inaccurate readings | Unstable aiming, dirty lenses, or target too small/far | Ensure stable aim; clean lenses; try ranging a larger, closer target. |
| Display is dim or unclear | Low battery, diopter out of focus, or extreme lighting conditions | Replace battery; adjust diopter; move to a shaded area if in bright sunlight. |
| Cannot connect to app | Bluetooth not enabled, app not updated, or device not in pairing mode | Ensure Bluetooth is on; update app; refer to app instructions for pairing. |
7. Specifications
| Attribute | Value |
|---|---|
| Model Number | SCRF-S24 |
| Operation System | Laser |
| Measurement Distance | 2400 yards |
| Brand Name | Vector Optics |
| Origin | Mainland China |
| Magnification | 7x |
| Objective Lens Dia | 25 mm |
| Exit Pupil | 3.57 mm |
| Lens Coating | Fully Multi-coated |
| Angular Field of View | 7° |
| Range to Reflective Target | 2400 yards / 2195 meters |
| Range to Building (Concrete) | 2000 yards / 1829 meters |
| Range to Big Trees | 1600 yards / 1463 meters |
| Range to Deer | 1100 yards / 1006 meters |
| Range to Golf Flag | N/A |
| Scan Mode | Yes |
| Response Time | 0.1 s |
| Accuracy | ±1 yd |
| Laser Type | Laser Diodes 905nm |
| Auto Shutoff | Yes, 10s |
| Battery Type | CR2 (not included) |
| Display Type | OLED |
| Waterproof | IPX4 |
| Housing Material | Plastic and Rubber |
| Size | 118x76x42 mm / 4.65x3x1.6 in |
| Weight (net) | 184 g / 6.49 oz |
| Warranty | Lifetime |
Figure 5: Rangefinder dimensions
8. Warranty and Support
The Vector Optics Paragon 7x25 GenIII Laser Rangefinder comes with a Lifetime Warranty. For any warranty claims, technical support, or service inquiries, please contact the Vector Optics Overseas Store directly. Ensure you retain your proof of purchase for warranty validation.
9. User Tips
- For best accuracy, ensure a steady hand or use a stable surface when ranging targets, especially at longer distances.
- Always keep the lenses clean to maintain optimal clarity and measurement precision.
- Familiarize yourself with the AB Synapse - SORD® app to fully leverage the digital ballistic capabilities of your rangefinder.
