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Precautions

 www.donnerdeal.com

Introduction

Owner’s Manual

The Vowel is an active volume/classic wah-wah combo pedal features extremely lightweight casing and a small, pedalboard-friendly 
footprint. 100% analog signal path and selected smooth taper ensures pure signal-thru and precise response.

READ CAREFULLY BEFORE PROCEEDING

Please keep this manual in a convenient place for future reference.

Power Supply

Always use a DC 9V center negative AC adapter. Use of an adapter 
other than that specified could damage the unit or cause malfunction and 
pose a safety hazard. 
Always connect the AC adapter to an AC outlet that supplies the rated 
voltage required by the adapter.
Disconnect the AC adapter from the AC outlet when during lightning 
storms or not using the unit for an extended period.

Connections 

Always turn off the power before connecting or disconnecting. Make sure 
to disconnect all cables and AC adapter before moving the unit. This will 
help prevent malfunction and damages. 

Environment Considerations

Avoid using the unit in any of the following conditions that could cause 
malfunction:
● Extremely hot or cold places
● Under direct sunlight
● Magnetic fields
● Near heaters and other heat sources
● Sandy or dusty places
● Places that are extremely humid or exposed to splashing water
● Places with lots of vibrations

Electrical Interference

Devices that are very susceptible to interference or that emits powerful 
electromagnetic waves (e.g. radios and TVs) should not be placed near 
this unit, as interference could occur. Electromagnetic interference could 
cause malfunction and could corrupt or destroy data.
Always operate this unit at a suitable distance from these devices. 

Handling

Do not apply excessive force to the switches and other controls, 
exposing the unit to strong impacts, which could cause it to break.
Do not put foreign objects or liquids into the unit.
Never open the case or attempt to modify the product in any way since 
this can result in damage to the unit. 
Clean only with a soft, dry cloth.

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