1. Introduction
Thank you for choosing the Gogogo GS19W Golf Laser Rangefinder. This device is designed to provide accurate distance measurements for golf, hunting, and other outdoor activities. Featuring advanced laser technology, it offers reliable performance and ease of use. Please read this manual thoroughly before operating the device to ensure proper use and to maximize its lifespan.
2. Safety Information
This rangefinder is a Class 1 laser product. Please observe the following safety precautions:
- Do not stare directly into the laser beam or view it with optical instruments.
- Do not aim the device at the sun or other strong light sources.
- Keep the device out of reach of children.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight for prolonged periods.
- Do not attempt to disassemble or repair the device yourself. Contact qualified service personnel for assistance.
3. Package Contents
Please check the package for the following items:
- Gogogo GS19W Laser Rangefinder
- Carrying Case
- USB Charging Cable
- Cleaning Cloth
- User Manual (this document)
- Lanyard
4. Product Overview
Familiarize yourself with the components of your Gogogo GS19W Laser Rangefinder:

Figure 4.1: The Gogogo Laser Rangefinder (white with black accents) shown alongside its grey and red carrying case. The rangefinder features an eyepiece, objective lens, and control buttons on top. The carrying case has a "LASER RANGEFINDER" emblem.
- Eyepiece/Diopter Adjustment: For focusing the view.
- Objective Lens: Transmits and receives laser signals.
- Power/Measure Button: Activates the device and takes measurements.
- Mode Button: Switches between different measurement modes.
- USB Charging Port: For recharging the internal battery.
- Battery Indicator: Displays current battery level.
- Display Screen: Shows measurements, modes, and indicators.
5. Setup
5.1 Charging the Battery
The Gogogo GS19W has a built-in rechargeable battery. Before first use, fully charge the device.
- Locate the USB charging port on the side or bottom of the rangefinder.
- Connect the provided USB charging cable to the rangefinder's port.
- Connect the other end of the USB cable to a standard USB power adapter (not included) or a computer's USB port.
- The battery indicator on the display will show charging status. Once fully charged, the indicator will change or turn off.
- Disconnect the cable once charging is complete.
5.2 Diopter Adjustment
Adjust the eyepiece to achieve a clear view of the display and target.
- Look through the eyepiece.
- Rotate the diopter adjustment ring (usually located around the eyepiece) until the reticle and display appear sharp and clear.
6. Operating Instructions
6.1 Powering On/Off
- To power on, press the Power/Measure Button briefly. The display will activate.
- The device will automatically power off after a period of inactivity (e.g., 10-20 seconds) to conserve battery.
6.2 Changing Measurement Units
To switch between yards (Y) and meters (M):
- While the device is powered on, press and hold the Mode Button for approximately 3 seconds.
- The unit displayed will change from Y to M or vice versa.
6.3 Measurement Modes
Press the Mode Button briefly to cycle through the available measurement modes:
- Standard Ranging Mode: Measures the straight-line distance to a target. Press the Power/Measure Button once to activate the laser, aim at the target, and press again to get the measurement.
- Golf Flag-Lock Mode (with Vibration): Designed for golf, this mode helps identify the flagstick from background objects. Scan the area around the flag, and the device will lock onto the closest object (the flag) and vibrate to confirm.
- Slope Compensation Mode: Provides the actual distance and the slope-adjusted distance (Plays Like distance) for uphill or downhill shots. This mode is typically indicated by an icon on the display.
- Speed Measurement Mode: Measures the speed of a moving object. Aim at the moving object and press the Power/Measure Button.
Note: Not all models may include all modes. Refer to your device's display for available options.
7. Maintenance
- Cleaning Lenses: Use the provided cleaning cloth or a soft, lint-free cloth to gently wipe the objective lens and eyepiece. Do not use abrasive materials or chemical cleaners.
- Cleaning Body: Wipe the body of the rangefinder with a soft, damp cloth.
- 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 Care: Recharge the battery regularly, even if the device is not used frequently, to maintain battery health. Avoid fully discharging the battery for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low or dead battery. | Charge the battery using the USB cable. |
| Inaccurate measurements. | Lens is dirty; Target is too small or reflective; Environmental interference (fog, heavy rain). | Clean the lenses; Aim at a larger, less reflective target; Measurements may be affected by severe weather. |
| Display is blurry. | Diopter not adjusted correctly. | Adjust the diopter ring until the display is clear. |
| Cannot switch modes. | Button not pressed correctly or device frozen. | Ensure a firm, brief press of the Mode button. If unresponsive, try powering off and on. |
9. Specifications
| Model: | GS19W |
| Brand: | Gogogo Sport Vpro |
| Measurement Range: | Up to 900 yards (approx. 823 meters) |
| Accuracy: | ±1 yard |
| Magnification: | 6X |
| Laser Type: | Class 1, 905nm |
| Battery Type: | Rechargeable Lithium-ion (USB charging) |
| Units of Measure: | Yards / Meters |
| UPC: | 665427697457 |
10. Warranty Information
Gogogo Sport Vpro products are manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship for a period of one (1) year from the original date of purchase. This warranty does not cover damage caused by misuse, abuse, unauthorized modification, or normal wear and tear. Please retain your proof of purchase for warranty claims.
11. Customer Support
For technical support, warranty inquiries, or any questions regarding your Gogogo GS19W Laser Rangefinder, please contact our customer service team. Refer to the contact information provided on the product packaging or the official Gogogo Sport Vpro website for the most up-to-date support channels.
We are committed to providing excellent service and ensuring your satisfaction with our products.