WEGROWER B089QRBZQ8
WEGROWER Guitar Tuner Instruction Manual
Model: B089QRBZQ8
Introduction
This manual provides comprehensive instructions for the WEGROWER Rechargeable Clip-On Guitar Tuner. Designed for precision and ease of use, this tuner supports various stringed instruments including guitar, ukulele, violin, and chromatic tuning modes. Please read this manual thoroughly to ensure proper operation and maintenance of your device.

Figure 1: WEGROWER Rechargeable Clip-On Guitar Tuner and USB-C charging cable.
Product Features
- Rechargeable via USB Charging Cable: Environmentally friendly design with quick charging and over 10 hours of continuous use per charge. Automatic power-down after 5 minutes of no signal to conserve energy.
- Note Key Function: In Guitar (G) tuning mode, short press to switch between standard guitar tuning (DROP D, OPEN G, OPEN D, OPEN E) and flat tuning (b, bb).
- High Sensitivity and Incredible Accuracy: Vibration-based tuning ensures precise tuning even with background noise. Reads low E string of bass guitar quickly and flawlessly.
- Compact Size and Large Screen: Almost frameless large LCD color display for easy reading in any environment.
- 360-Degree Rotatable Clip: Allows for optimal screen positioning. The well-engineered clamp is small and portable.
- Multiple Tuning Modes: Four tuning modes available: Chromatic, Guitar, Violin, and Ukulele, covering a wide range of stringed instruments including mandolin and banjo.
Setup
1. Charging the Tuner
Before first use, fully charge the tuner. Connect the included USB cable to the USB jack on the tuner and to a power source (e.g., PC, mobile power bank). The battery indicator on the display will show charging status.

Figure 2: Charging the tuner via USB cable.
2. Attaching the Tuner to Your Instrument
The tuner features a soft silicone rubber pad on its clip to protect your instrument's finish. Gently open the clip and attach it securely to the headstock of your stringed instrument. Ensure the tuner is firmly in place but not overly tight to avoid damage.

Figure 3: Tuner controls and protective silicone pad.
Operating Instructions
1. Power On/Off and Mode Selection
Press and hold the Power/Mode button (refer to Figure 3) to turn the tuner on or off. Short press the Power/Mode button to cycle through the available tuning modes: Chromatic (C), Guitar (G), Bass (B), Ukulele (U), and Violin (V).

Figure 4: Available tuning modes on the display.
2. Tuning Your Instrument
Once the tuner is clipped to your instrument and the desired mode is selected, pluck a single string. The tuner's display will show the note being played and indicate whether it is flat (left side of display, yellow/red), in tune (center, green), or sharp (right side of display, yellow/red).
- If the display shows yellow/red on the left, the note is flat. Tighten the string.
- If the display shows yellow/red on the right, the note is sharp. Loosen the string.
- When the display shows green in the center, the note is in tune.

Figure 5: Visual indicators for flat, in tune, and sharp notes.
3. Using the Note Key Function (Guitar Mode Only)
In Guitar (G) tuning mode, short press the "Flat/Open Tuning Button" (refer to Figure 3) to switch between standard guitar tuning and various open/flat tunings (DROP D, OPEN G, OPEN D, OPEN E, b, bb). This allows for versatile tuning options beyond standard EADGBe.
4. Adjusting Display Angle
The tuner's display can be rotated 360 degrees and tilted up to 135 degrees, allowing you to adjust it for optimal viewing from any angle.

Figure 6: Flexible display adjustment for optimal viewing.
Maintenance
- Keep the tuner clean by wiping it with a soft, dry cloth.
- Avoid exposing the tuner to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble the tuner, as this will void the warranty and may cause damage.
- Store the tuner in a safe place when not in use to prevent accidental drops or impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tuner does not power on. | Low battery. | Charge the tuner using the provided USB cable. |
| Inaccurate tuning readings. | Tuner not securely clipped; excessive background noise; incorrect tuning mode selected. | Ensure the tuner is firmly clipped. Tune in a quiet environment. Verify the correct instrument mode is selected. |
| Display is dim or flickering. | Low battery. | Charge the tuner. |
| Tuner turns off automatically too quickly. | Automatic power-down feature. | This is a normal energy-saving feature. The tuner will power down after 5 minutes of no signal. |
Specifications
- Item Weight: 2.89 ounces
- Package Dimensions: 3.9 x 2.87 x 1.93 inches
- ASIN: B089QRBZQ8
- Batteries: 1 Lithium Ion battery required (included)
- Battery Type: Lithium
- Date First Available: June 5, 2020
Warranty and Support
WEGROWER products are designed for durability and performance. For warranty information, technical support, or any inquiries regarding your tuner, please refer to the contact information provided on the product packaging or visit the official WEGROWER website. Please retain your proof of purchase for warranty claims.
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