Cherub WMT-555C Tuner and Metronome with Pickup User Manual
Model: WMT-555C | Brand: Cherub
Introduction
The Cherub WMT-555C is a versatile electronic device designed for musicians, combining a chromatic tuner and a digital metronome into a single, portable unit. It is suitable for a wide range of instruments, including guitars and orchestral instruments, and features a clip-on pickup for accurate acoustic instrument tuning.
This manual provides detailed instructions for the setup, operation, and maintenance of your WMT-555C to ensure optimal performance and longevity.
Product Overview
Image: Cherub WMT-555C Tuner and Metronome with Pickup. The device features a large LCD screen, control buttons, a speaker, and input jacks. Below it is the clip-on pickup with a 1/4" jack.
The WMT-555C unit includes:
- Integrated Chromatic Tuner
- Digital Metronome
- Built-in Microphone
- 1/4" Input Jack
- Earphone Jack
- Clip-on Pickup (for acoustic instruments)
Key Controls and Display Elements (Refer to image above):
- LCD Display: Shows Metronome settings (Tempo, Time Signature, Rhythm) or Tuner information (Note, Pitch).
- Vol. (Volume): Adjusts the output volume.
- Earphone Jack: For private listening.
- SOUND Button: Activates the tone generator in Tuner mode.
- VALUE Buttons (Up/Down): Adjusts values like tempo, pitch, or rhythm.
- TEMPO Buttons (Up/Down): Specifically adjusts metronome tempo.
- PITCH Buttons (Up/Down): Adjusts the reference pitch in Tuner mode.
- ITEM Button: Navigates through settings or parameters.
- MODE Button: Switches between Tuner and Metronome modes.
- BEAT Button: Adjusts the beat pattern in Metronome mode.
- ON / OFF Button: Powers the unit on or off.
- PLAY Metronome Button: Starts or stops the metronome.
- INPUT Jack: 1/4" input for instruments or pickup.
- MIC: Built-in microphone for tuning acoustic instruments without the pickup.
Setup
1. Battery Installation
The WMT-555C requires 1 AAA battery for operation. Ensure the battery is inserted with the correct polarity as indicated inside the battery compartment. A fresh alkaline battery is recommended for optimal performance and battery life.
2. Powering On/Off
Press the ON / OFF button to power the unit on. Press and hold the ON / OFF button again to power it off.
3. Connecting the Pickup (Optional)
For tuning acoustic instruments, connect the provided clip-on pickup to the INPUT jack on the side of the unit. Attach the clip securely to your instrument, typically near the bridge or soundboard, to best capture vibrations.
Operating Instructions
Tuner Mode
- Select Tuner Mode: Press the MODE button until "Tuner" is displayed on the screen.
- Input Method:
- Internal Microphone: For acoustic instruments, ensure no cable is plugged into the INPUT jack. The built-in MIC will detect sound.
- Pickup/Instrument Cable: Plug the clip-on pickup or your instrument's 1/4" cable into the INPUT jack.
- Tune Your Instrument: Play a single note on your instrument. The display will show the detected note and indicate whether it is sharp, flat, or in tune. Adjust your instrument's tuning pegs until the display indicates the note is in tune.
- Key Selection: The tuner supports chromatic tuning in 4 keys: C, F, B♭, and E♭. Use the ITEM button to cycle through these key options if needed.
- Pitch Calibration: The reference pitch can be calibrated from 435Hz to 445Hz. Use the PITCH buttons to adjust the A4 reference frequency. The default is typically 440Hz.
- Tone Generator: Press the SOUND button to activate the built-in tone generator, which produces a reference tone for manual tuning.
Metronome Mode
- Select Metronome Mode: Press the MODE button until "Metronome" is displayed on the screen.
- Adjust Tempo: Use the TEMPO buttons (Up/Down) to set the desired beats per minute (BPM). The range is 30-230 BPM.
- Set Time Signature: Press the ITEM button to select the time signature setting. Use the VALUE buttons to choose from available time signatures: -/4 (0), 1/4, 2/4, 3/4, 4/4, 3/8, 6/8.
- Select Rhythm: Press the BEAT button to cycle through various rhythm patterns (e.g., quarter notes, eighth notes, triplets).
- Start/Stop Metronome: Press the PLAY Metronome button to start the metronome click. Press it again to stop.
- Adjust Volume: Use the Vol. slider to adjust the metronome's output volume.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit. Do not use liquid cleaners or abrasive materials.
- Battery Care: Remove the battery if the unit will not be used for an extended period to prevent leakage.
- Storage: Store the WMT-555C in a cool, dry place, away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the unit or subjecting it to strong impacts, as this can damage internal components.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Dead or incorrectly installed battery. | Replace the AAA battery, ensuring correct polarity. |
| Tuner is not detecting sound. | Incorrect input method selected; low instrument volume; faulty pickup/cable. | Ensure pickup is securely connected or use the built-in MIC. Increase instrument volume. Check pickup/cable for damage. |
| Metronome sound is too quiet. | Volume slider set too low; speaker obstruction. | Adjust the Vol. slider to increase output. Ensure the speaker grille is clear. Consider using headphones. |
| Tuner response is slow. | Weak signal from instrument; noisy environment. | Ensure a clear, sustained note is played. Use the clip-on pickup in noisy environments. |
Specifications
- Model: WMT-555C
- Tuning Range: A0 (27.5Hz) - A3 (1760Hz)
- Reference Pitch: 435Hz - 445Hz (Adjustable)
- Tuning Keys: C, F, B♭, E♭
- Tempo Range: 30 - 230 BPM
- Time Signatures: -/4 (0), 1/4, 2/4, 3/4, 4/4, 3/8, 6/8
- Power: 1 x AAA Battery (included)
- Dimensions: Approximately 8 x 1 x 5 inches
- Weight: Approximately 4.2 ounces
- Input: 1/4" Jack, Built-in Microphone
- Output: Earphone Jack, Built-in Speaker
