A2-73XX Series Audio Expansion Units Operation Manual
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IMPORTANT SAFETY INSTRUCTION
To insure the best from this product, please read this manual carefully. Keep it in a
safe place for future reference.
To reduce the risk of electric shock, do not remove the cover from the unit.
No user serviceable parts inside. Refer servicing to qualified personnel.
2.1 Power and connections
This unit is not disconnected from the AC power source as long as it is connected to
the wall outlet via an adapter. The off state for this unit is called standby mode. In
standby mode the unit is designed to consume a reduced quantity of power
compared to normal operating modes.
When not using the unit for a long period of time, ensure that the AC power adapter
is disconnected from the wall outlet.
The AC wall outlet should be installed near to the unit and be easily accessible.
Do not plug in or attempt to operate an obviously damaged unit.
2.2 Water and moisture
To reduce the risk of fire and personal injury, operation of this device outdoors
and/or exposure to rain, water or excessive moisture is expressly prohibited.
The apparatus shall not be exposed to dripping or splashing and no objects filled
with liquids, such as vases, shall be placed on the apparatus.
2.3 General care
Do not force switches or external connections.
When moving the unit, disconnect the power cable and then the interconnecting
cables to other devices.
Do not attempt to clean the unit with chemical solvents or aerosol cleaners, as this
may damage the unit. Use a clean dry cloth.
2.4 Location
Installation of this unit should be in a cool dry place, away from sources of excessive
heat, vibration, dust, moisture and cold.
