M-VAVE LOST TEMPO Looper Guitar Effect Pedal

1. Introduction

The M-VAVE LOST TEMPO is a versatile guitar effect pedal combining a looper, drum machine, and high-sensitivity tuner into a compact monoblock unit. Designed for electric guitarists, it offers a wide range of creative possibilities for practice, performance, and songwriting. This manual provides detailed instructions on how to set up, operate, and maintain your LOST TEMPO pedal.

2. Features

• Looper Function: Unlimited overdubbing, record, play, overdub, undo, redo, and delete functions.
• Drum Machine: 30 diverse drum styles and 10 metronome styles for rhythmic accompaniment.
• Built-in Tuner: High-precision, high-sensitivity tuner for accurate instrument tuning.
• USB Connectivity: Type-C USB port for importing and exporting audio files to/from a PC.
• Headphone Output: Dedicated headphone jack for silent practice.
• Compact & Durable: Robust metal casing designed for portability and longevity.

3. Package Contents

• M-VAVE LOST TEMPO Looper Guitar Effect Pedal
• User Manual
• USB Cable

4. Controls and Connections

Figure 4.1: Front Panel Controls

Figure 4.2: Rear Panel Connections

Front Panel:

• LOOPER VOL Knob: Adjusts the playback volume of the recorded loop.
• DRUM VOL Knob: Adjusts the volume of the drum machine.
• LOOPER Footswitch:
  • Click: Play/Record/Overdub
  • Hold: Delete/Undo/Redo
  • Click Twice: Stop
• DRUM Footswitch:
  • Click: Stop/Play drum pattern
  • Click Twice: Stop all (looper and drum)
• Center Button (above display):
  • Click: Tapping speed/SYNC (for drum machine)
  • Hold: Cancel drum SYNC
  • Click for ready record (when in looper mode)
  • Hold for TUNER (to activate tuner)
• Digital Display: Shows loop number, drum tempo, or tuner information.

Rear Panel:

• IN Jack: 1/4" mono input for your guitar.
• OUT Jack: 1/4" mono output to your amplifier or other effects.
• DC 9V Input: Power input (center negative).
• USB (Type-C) Port: For connecting to a computer for data transfer.
• Headphone Jack: For private monitoring.

5. Setup

1. Power Connection: Connect a DC 9V (center negative) power adapter to the DC 9V input jack. The pedal requires a current draw of 100mA.
2. Instrument Connection: Connect your electric guitar to the "IN" jack of the pedal using a 1/4" mono instrument cable.
3. Amplifier Connection: Connect the "OUT" jack of the pedal to your amplifier's input (or other effects pedals in your signal chain) using a 1/4" mono instrument cable.
4. Headphone Connection (Optional): For silent practice, connect headphones to the headphone jack.
5. USB Connection (Optional): To transfer audio files, connect the Type-C USB port to your computer using the provided USB cable.

Figure 5.1: Typical Connection Diagram

6. Operating Instructions

6.1 Looper Function

1. Start Recording: Click the LOOPER footswitch once. The LED indicator will show recording status.
2. Play Loop: After recording, click the LOOPER footswitch again to stop recording and start playback.
3. Overdub: While the loop is playing, click the LOOPER footswitch once to enter overdub mode. Record additional layers.
4. Undo/Redo: Hold the LOOPER footswitch to undo the last overdub. Hold again to redo.
5. Stop Loop: Double-click the LOOPER footswitch to stop playback.
6. Clear Loop: While the loop is stopped, hold the LOOPER footswitch to clear the current loop.

6.2 Drum Machine Function

1. Select Drum Style: Use the small buttons next to the digital display to cycle through the 30 drum styles and 10 metronome styles. Refer to the bottom panel for a list of factory drum styles.
2. Start/Stop Drum: Click the DRUM footswitch once to start or stop the selected drum pattern.
3. Adjust Drum Volume: Use the DRUM VOL knob to set the desired drum volume.
4. Tap Tempo/Sync: Click the center button (above the display) to tap in a tempo or synchronize with the looper.
5. Cancel Drum Sync: Hold the center button to cancel drum synchronization.

6.3 Tuner Function

1. Activate Tuner: Hold the center button (above the display) to enter tuner mode. The digital display will show tuning information.
2. Tune Instrument: Play a single note on your guitar. The display will indicate if the note is sharp, flat, or in tune.
3. Exit Tuner: Click the center button again or any footswitch to exit tuner mode and return to the previous function.

6.4 USB Audio Transfer

Connect the pedal to your computer via the Type-C USB cable. The pedal will appear as an external storage device, allowing you to import or export recorded audio files (WAV format) to and from the pedal's internal memory.

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean the pedal. Do not use abrasive cleaners or solvents.
• Storage: Store the pedal in a dry environment, away from extreme temperatures and direct sunlight.
• Power: Always use a DC 9V (center negative) power supply with the correct current rating (100mA). Using an incorrect power supply can damage the unit.
• Avoid Moisture: Keep the pedal away from water or any liquids.

8. Troubleshooting

9. Specifications

Figure 9.1: Pedal Dimensions

10. User Tips

• Practice with Headphones: Utilize the headphone output for focused practice sessions without disturbing others.
• Experiment with Drum Styles: Explore the various drum and metronome styles to find the perfect rhythm for your practice or composition.
• Layering Loops: Start with a simple chord progression, then add bass lines, melodies, and harmonies using the overdub function.
• Backup Your Loops: Regularly connect the pedal to your PC via USB to back up your recorded loops, especially before clearing memory or performing firmware updates (if applicable).
• Power Supply Quality: Use a high-quality, regulated 9V DC power supply to ensure stable operation and prevent noise.

11. Warranty and Support

M-VAVE products are designed for reliability and performance. For any technical support or warranty inquiries, please refer to the contact information provided by your retailer or the official M-VAVE website. Keep your purchase receipt as proof of purchase for warranty claims.