Donner DDA-20 Manuel de l'utilisateur - Page 4
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WARNING & CAUTION
R emind users that improper use can be dangerous or harmful
WARNING :
Remind users that improper use can cause damage or damage to items.
CAUTION：
Before using this product, please read the instructions and user manual.
When using, please connect to a power outlet with grounding protection.
Do not disassemble or modify the built-in components and wiring of this device by yourself.
Do not place this equipment in the following places:
1. Places with excessive temperature
2. Humid place
3. Places with heavy humidity
4. Places directly exposed to rain
5. Dusty places
6. Places with strong vibrations
Please use the supplied power cord or adapter, and at the same time ensure that the line voltage
matches the input voltage indicated on the power supply. Improper use of voltage will cause
equipment damage, malfunction or electric shock.
Do not excessively twist or bend the power cord, nor place heavy objects on it. Otherwise it will
damage the power cord and cause breakage and short circuit. Damaged wires may cause fire
and electric shock!
Do not drop or seep any dangerous objects or any liquid into the equipment.
When the following situations occur, turn off the power immediately and unplug the plug:
1. Damaged adapter, power cord or plug
2. Smoke or peculiar smell occurs
3. The equipment is directly exposed to rain (or wet)
4. The equipment is not operating normally or has obvious abnormalities
Do not share too many electrical appliances with this product. Pay special attention to all your
equipment, the total power must not exceed the power that the socket can withstand.
Please place this equipment in a place that does not affect its good ventilation.
When inserting the power cord plug into the socket, hold the power cord plug with your hand.
Please avoid entanglement of the power cord with various wires. In addition, keep away from children.
When your hands are wet, do not take the power cord or insert or unplug the power cord plug.
Before moving the device, unplug the power cord and all cables connected to the device.
Before cleaning the device, turn off the power and unplug the power cord from the socket.
If you suspect a lightning strike in your area, please unplug the power plug.
WARNING
2
Please do not expose the machine to direct sunlight, or place it next to a heat source or other
high-temperature objects. Too high temperature can easily cause body deformation and
discoloration.
If the machine is moved from one place to a place with a large difference in temperature and
humidity, moisture (condensation) may form in the machine. If the machine is used at this time,
it may cause damage or malfunction of the machine.
Other considerations
Use the buttons, push rods, and connection sockets of the device with moderate force.
When inserting or disconnecting the cable, please grasp the connection port and cable.
To avoid disturbing your neighbors, please adjust the volume to an appropriate level.
When you need to ship the device, please put the device in the original box.
Some connecting wires contain resistance. Do not use cables that contain resistance.
Control instructions
1
DDA-20
18V/3A
1. DC - IN ：
Please use the original adapter to connect this interface to power
the amplifier (18V / 3A);
2. SERIAL :
Used to display information related to product production;
CAUTION
2
3