Polycom SoundPoint IP 650 User Manual page 24

User Guide for the SoundPoint IP 650 Desktop Phone
Note
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The USB port is on the back of your SoundPoint IP 650 as shown below:
When you plug in the USB device, the USB device is supported and the
message "USB device attached." appears or the USB device is tested to
determine if it is acceptable. If it is accepted, the message "USB device
attached." appears. If it is not accepted, the message "Unsupported USB
device attached: Go to www.polycom.com/usb_support." appears. Contact
your system administrator about receiving another USB device.
When you remove the USB device, the message "USB device removed."
appears.
Wait until the "USB device removed." message disappears before plugging in
another USB device. If you plug in a new USB device before the message
disappears, it will not be recognized.
Polycom recommends that you do not remove the USB device while recording. The
file being recorded at that time will be incomplete and cannot be played back later.
There is a small probability that the USB device itself may be damaged by this
action.