USAGE AND SAFETY PRECAUTIONS
In this manual, symbols are used to highlight warnings and cautions for you to read so that accidents
can be prevented. The meanings of these symbols are as follows:
Please observe the following safety tips and precautions to ensure hazard-free use of the 3000B.
• Power requirements
The 3000B is powered by the supplied AC adapter. To prevent malfunction and safety hazards, do
not use any other kind of AC adapter.
When using the 3000B in an area with a different line voltage, please consult your local ZOOM
distributor about acquiring a proper AC adapter.
• Environment
Avoid using your 3000B in environments where it will be exposed to:
• Extreme temperature
• High humidity or moisture
• Excessive dust or sand
• Excessive vibration or shock
• Handling
Since the 3000B is a precision electronic device, avoid applying excessive force to the switches
and buttons. Also take care not to drop the unit, and do not subject it to shock or excessive
pressure.
• Alterations
Never open the case of the 3000B or attempt to modify the product in any way since this can
result in damage to the unit.
• Connecting cables and input and output jacks
You should always turn off the power to the 3000B and all other equipment before connecting or
disconnecting any cables. Also make sure to disconnect all cables and the AC adapter before
moving the 3000B.
USAGE AND SAFETY PRECAUTIONS
Warning
This symbol indicates explanations about extremely dangerous
matters. If users ignore this symbol and handle the device the wrong
way, serious injury or death could result.
Caution
This symbol indicates explanations about dangerous matters. If
users ignore this symbol and handle the device the wrong way,
bodily injury and damage to the equipment could result.
Warning
Caution
Caution
Caution
Caution