Donner Alpha Bass Owner'S Manual Download Page 1

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.

Precautions

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Owner’s Manual

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