C520 - User Manual

8
12. Context-sensitive function keys
Press to perform actions as indicated by the labels in the function key line on the
display.
13. Hold/Cancel key (toggle)
• When in a call, press
to put the call on hold and to unhold the held call.
• When in a menu, press
to return to the previous menu.
14. Cell 1 Bluetooth status LED
Indicates the status of a Bluetooth-connected device other than a headset. See
"Status indicators overview" on page 10.
Base unit overview (rear)
Getting Started
a
RJ45 jack
• With PoE: To network
• Without PoE: To adapter
Base unit overview (front), continued