Contents

USING THE UNIT SAFELY
IMPORTANT NOTES
Playing Sounds
- Installing Batteries
- Making the Connections
- Turning on the Power
  - Adjusting the Volume
- Turning Off the Power
Using the Effects
- About the Effect Connection Sequence
- COMPRESSOR/LIMITER
- FILTER/TONE
- DRIVE/SYNTH
- DELAY/MODULATION
  - Using the HOLD DLY Function
  - Using the e.TAP DLY Function
  - Adding a Delay Synchronized to the Performance Tempo
  - Adding a Modulation Effect Synchronized to the Performance Tempo
- Pedal
  - Using the Pedal as a Volume Pedal
  - Using the Pedal as an Expression Pedal
  - Using the SOUND HOLD Function
  - Using the KICK DRUM Function
- MASTER
- NOISE SUPPRESSOR
- A Note About Bypass
Saving and Loading the Created Tones (Memory Mode)
- Switching Between Manual and Memory Mode
- About the Patch
- Write Procedure
- Calling Up and Using Stored Tones (Patch Change)
  - Switching Numbers
  - Switching Banks
- Notes When Using Memory Mode
  - About Tone Changes
  - About the Tempo Setting
  - About the HOLD DLY
  - About the e.TAP DLY
- Changing the Patch Settings (Patch Edit mode)
Convenient Functions
- Tuning the Bass (Bypass/Tuner)
- Using the Foot Switch
  - Switching the Compressor/ Limiter On and Off
  - Adding an Effect Synchronized to the Performance Tempo
  - Switching Banks
- Practicing Along with CDs and MDs (AUX IN)
Appendices
- Returning the ME-50B to Its Factory Settings (Factory Reset)
- Adjusting the Expression Pedal
- Troubleshooting
- Specifications
Patch List
Factory Settings
Blank Chart
Index

Boss ME-50B Owner’s Manual

Pages 40

Year 2003

Language(s)

of 40

Boss ME-50B Specification

The Boss ME-50B is a comprehensive multi-effects processor designed for bass guitarists, integrating a range of high-quality effects into a robust and portable unit. It features an intuitive user interface with easy-access knobs and footswitches, allowing for seamless real-time control during performances. The ME-50B offers a variety of effects categories including compressor/limiter, master EQ, and a suite of modulation effects such as chorus, flanger, and phaser, alongside unique effects like defretter and synth bass. It also includes a dedicated section for delay and reverb, enhancing the depth and ambiance of bass tones.

Equipped with COSM amp modeling technology, the ME-50B delivers authentic amplifier sounds, providing versatility for different playing styles and genres. The unit supports a built-in expression pedal, which can be assigned to control volume, wah, or any modulation parameter, further expanding creative possibilities. For ease of use, the processor includes preset memory locations, enabling quick recall of favorite effect combinations.

Connectivity options include mono and stereo outputs, a headphone jack for silent practice, and an auxiliary input for backing tracks. The processor can be powered via an AC adapter or batteries, adding to its portability for gigs or rehearsals. The rugged metal chassis ensures durability, making the ME-50B suitable for both stage and studio environments. Overall, the Boss ME-50B combines professional-grade effects with user-friendly operation, catering to bassists seeking a versatile and reliable effects solution.

Boss ME-50B F.A.Q.

How do I connect the Boss ME-50B to an amplifier?

To connect the Boss ME-50B to an amplifier, use a standard 1/4-inch instrument cable. Plug one end into the output jack of the ME-50B and the other end into the input jack of your amplifier.

What is the correct procedure for updating the firmware on the Boss ME-50B?

The Boss ME-50B does not support firmware updates as it is a dedicated hardware unit without digital update capabilities.

How can I perform a factory reset on the Boss ME-50B?

To perform a factory reset on the Boss ME-50B, turn off the unit, hold down the WRITE and EXIT buttons, and turn the power back on while keeping the buttons pressed. This will reset the unit to its factory settings.

Why is there no sound coming from my Boss ME-50B?

Ensure that all cables are securely connected and that the volume levels are turned up on both the ME-50B and your amplifier. Check if the tuner is activated as it mutes the output sound.

How do I save a custom patch on the Boss ME-50B?

To save a custom patch, adjust the settings to your preference, press the WRITE button, select the desired memory location using the BANK and NUMBER pedals, and press WRITE again to confirm.

Can I use headphones with the Boss ME-50B?

Yes, connect your headphones to the LINE/PHONES output jack. Keep in mind that the sound quality may vary based on headphone impedance and frequency response.

How do I troubleshoot excessive noise or hum from the Boss ME-50B?

Check for faulty cables, ensure the power supply is properly grounded, and use the noise suppressor feature on the ME-50B to reduce unwanted noise.

What is the best way to clean and maintain the Boss ME-50B?

To clean the unit, use a soft, dry cloth. Avoid using liquids or aerosols. Store the ME-50B in a cool, dry place to prevent dust and moisture accumulation.

How do I switch between patches on the Boss ME-50B quickly during a performance?

Use the BANK and NUMBER pedals to navigate quickly between patches. Arrange your patches in adjacent memory locations for smoother transitions.

What should I do if the expression pedal on my Boss ME-50B is not responding?

Calibrate the expression pedal by turning off the unit, holding down the MOD and DELAY pedals, and turning the power back on. Follow the on-screen instructions to complete the calibration process.