Introduction
The Cherub WMT-565W is a versatile 5-in-1 device designed for wind instrument musicians. It integrates a metronome, tuner, sound generator, hygrometer, and thermometer into a single compact unit. This manual provides detailed instructions for the proper setup, operation, and maintenance of your WMT-565W to ensure optimal performance and longevity.
Product Overview
Key Features
- Designed specifically for wind instruments.
- Large, full-color LCD display for clear visibility.
- Integrated hygrometer and thermometer for environmental monitoring.
- Rechargeable Li-ion battery with Type-C USB charging.
- Functions include Metronome, Tuner, and Sound Generator.
Components and Controls
Familiarize yourself with the various parts of your WMT-565W device:

Figure 1: Front View. This image displays the front of the Cherub WMT-565W, highlighting its full-color LCD screen. The screen shows the tuner interface, indicating pitch, key, A4 frequency, and also displays temperature in Fahrenheit and relative humidity. Control buttons for navigation and mode selection are visible to the right of the screen, along with the Cherub logo and model number.
- LCD Display: Shows tuning, metronome, sound, temperature, and humidity information.
- Up/Down Buttons (▲ / ▼): Used for adjusting parameters like tempo, pitch, and volume.
- Mode Button (M): Cycles through Metronome, Tuner, and Sound modes.
- Wave Button (~): Activates the sound generator in Tuner mode or other specific functions.
- Power/Play/Pause Button (⏻ / ▶): Powers the device on/off, starts/stops metronome.
- Input Jack: For connecting an instrument pickup or microphone.
- Output Jack: For connecting to an amplifier or headphones.

Figure 2: Side and Back View. This image shows the side and partially the back of the WMT-565W. Visible features include the USB-C charging port, a rotary volume control knob, and a foldable kickstand for desktop use. The device's compact design and connectivity options are highlighted.
- USB-C Port: For charging the internal Li-ion battery.
- Volume Knob: Adjusts the output volume for metronome clicks or sound generator tones.
- Reset Button: A small recessed button to reset the device (requires a pin).
- Kickstand: Foldable stand for convenient upright placement on a flat surface.

Figure 3: Rear View. This image provides a clear view of the back panel of the Cherub WMT-565W. The recessed reset button is visible, along with the integrated kickstand in its folded position. Regulatory compliance markings (CE, WEEE) and product information such as "Wind Instrument Mate," "Model: WMT-565W," and "Designed and Engineered by Cherub Technology Co., Ltd." are clearly printed.
Setup
Charging the Battery
- Locate the USB-C port on the side of the device.
- Connect the provided USB-C cable to the device and the other end to a standard USB power adapter (not included) or a computer's USB port.
- The battery indicator on the display will show charging status. A full charge typically takes a few hours.
- Disconnect the cable once fully charged.
The WMT-565W uses a rechargeable Li-ion battery. For optimal battery life, avoid fully discharging the device frequently.
Powering On/Off
- To Power On: Press and hold the Power/Play/Pause button (⏻ / ▶) for approximately 2 seconds. The display will light up.
- To Power Off: Press and hold the Power/Play/Pause button (⏻ / ▶) for approximately 2 seconds until the display turns off.
Operating Instructions
Mode Selection
Press the Mode (M) button to cycle through the available modes: Metronome, Tuner, and Sound Generator.
Metronome Mode
In Metronome mode, the device provides a steady beat for rhythm practice.

Figure 4: Metronome Mode. This image shows the WMT-565W in Metronome mode. The display clearly indicates a tempo of 120 beats per minute (bpm) and a 4/4 time signature. Battery level, temperature, and humidity are also visible. The device is placed on a reflective surface, suggesting its use in a practice environment.
- Select Metronome mode using the M button.
- Use the Up (▲) and Down (▼) buttons to adjust the tempo (BPM).
- Press the Power/Play/Pause (⏻ / ▶) button to start or stop the metronome beat.
- Adjust the volume using the rotary knob on the side.
- Further settings like beat pattern and rhythm can be adjusted by referring to the on-screen prompts or specific button combinations (refer to advanced settings in a full manual if available).
Tuner Mode
The Tuner mode allows precise tuning of your wind instrument.

Figure 5: Tuner Mode in Use. This image shows the WMT-565W positioned on a saxophone, actively displaying its tuner function. The screen indicates a B-flat note, with the tuning needle centered, signifying accurate pitch. The A4 reference frequency is set to 440Hz. Environmental readings for temperature and humidity are also visible.
- Select Tuner mode using the M button.
- Connect your instrument via the Input jack or use the built-in microphone.
- Play a single note on your instrument. The display will show the detected note and a tuning meter.
- Adjust your instrument's pitch until the tuning meter is centered and the note displayed is correct.
- Use the Up (▲) and Down (▼) buttons to adjust the A4 reference frequency (e.g., from 440Hz).
- Press the Wave (~) button to activate the sound generator for a reference tone.
Sound Generator Mode
The Sound Generator mode produces specific pitches for ear training or tuning by ear.
- Select Sound Generator mode using the M button.
- Use the Up (▲) and Down (▼) buttons to select the desired note.
- The device will play the selected note. Adjust the volume with the rotary knob.
Hygrometer and Thermometer
The WMT-565W continuously monitors and displays the ambient temperature and relative humidity, which are crucial for maintaining wind instruments.
- Temperature is displayed in degrees Fahrenheit (℉) or Celsius (℃).
- Relative humidity is displayed as a percentage (%RH).
- These readings are typically visible on the main display in all modes.
- To switch between ℉ and ℃, refer to the device's settings menu (if available, usually by holding a specific button or navigating through a menu option).
Maintenance
Cleaning
- Wipe the device with a soft, dry cloth.
- Do not use liquid cleaners, solvents, or abrasive materials, as these can damage the finish or internal components.
Storage
- Store the WMT-565W in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, ensure the battery is partially charged (around 50%) to preserve battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is depleted. | Charge the device using the USB-C cable. |
| Tuner not detecting sound. | Microphone/input sensitivity too low; ambient noise. | Ensure instrument is close to the device. Check input connection. Reduce background noise. |
| Metronome sound is too low/high. | Volume knob setting. | Adjust the rotary volume knob on the side of the device. |
| Device is unresponsive. | Software glitch. | Use a thin object (e.g., paperclip) to press the recessed Reset button on the back of the device. |
Specifications
- Model: WMT-565W
- Functions: Metronome, Tuner, Sound Generator, Hygrometer, Thermometer
- Tuning Range: (Specific range not provided, general statement)
- A4 Frequency: 410Hz - 450Hz (adjustable)
- Metronome Tempo Range: 30 - 250 bpm
- Temperature Accuracy: 1 ℃
- Power: Rechargeable Li-ion Battery (included)
- Charging Port: USB Type-C
- Connectivity: USB (for charging)
- Dimensions: Approximately 4.72 x 3.15 x 2.52 inches
- Weight: Approximately 7.65 ounces / 217 Grams
- Manufacturer: Cherub Technology Co.,Ltd
Warranty and Support
Cherub products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official Cherub website or contact your local distributor. Keep your proof of purchase for warranty claims.
Manufacturer: Cherub Technology Co.,Ltd
For further assistance, visit www.cherubtechnology.com.