Addvent AVDF4 User Manual Download Page 3

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Usage Instructions

Fan operation:

  Always operate the fan in the upright position following all 

instructions and recommendations listed in this manual.

USB Function 
Fan connection:

 Plug the power lead into the back of the fan base, and the 

other end into any USB port. Be sure the USB plug fits tightly in the USB port. 
A loose connection may cause overheating and damage to the USB plug or fan. 
Note: To prevent overloading a USB port, do not plug the fan into a USB port 
that is servicing other electrical needs.

Features:

1. On/Off button with 1 speed level
2. DC power jack input
3. USB to DC power cable
4. Thumb screw to adjust the fan head Up/Down

Operation:

     Power the fan with USB cable.
     Move On/Off Switch to operate the fan.
     Adjust the side screw to adjust fan angle Up/Down to your desired position.
     When finished using, turn the fan power button to the “Off” position.

Attention:

Do not use any other power source other than the USB cable.
Disconnect USB cable when not using the fan.

Laptop Computer Users Note:

When plugged into your laptop USB port, the USB fan gets its power from the 
computer laptop. To avoid laptop battery drain, plug the laptop computer into a 
power supply while using this fan.                   

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