READ CAREFULLY BEFORE PROCEEDING
Please keep this manual in a convenient place for future reference.
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.
Precautions
www.donnerdeal.com
The Viper is a passive volume/expression 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. Viper can be used with a variety of musical instruments and
devices.
Introduction
Owner’s Manual
