User`s guide
Operating and display elements
4 eud-1282/1.0 – R1.0 – 12.2010
16 End key
•Ends a call.
• Exits input without saving and goes back to the idle state.
17 Configurable keys/ line keys with LED on expansion key
moduleAastra M530 (optional)
Freely configurable as number, function or Team key:
• Number key with two storage locations: Press once for first call number,
presse twice for second call number (only Aastra M530).
• Function key: Activate / deactivate function.
• Team key: Call or pick up a call. Announcement to a team partner (press
twice).
If preconfigured as a Line key: Set up or answer call via line.
Configure key: press and hold down.
18 Write-on labels on Aastra M530 expansion key module (optional)
Write-on labels for the configurable keys can be found on the Aastra docu-
ment portal as electronic document. You can fill out the fields directly on
your PC and then print out the labels.
19 Shift key on expansion key module Aastra M535
Switch between the 3 views. Press 1 x each to display the next level.
20 LED display on Aastra M535 expansion key module
Indicates which of the 3 levels is activated.










