Key designations and sockets
Key
1
Loudspeaker
2
LED indicator
3
Display
4
Side keys + / -
Middle side key
Aastra 650c
eud-1587/1.0 – R3.0 – 04.2013
Press
In the state...
short
• Idle state
• In a connection
short
all states
long
Idle state
Operating and display elements
Description
3 colours LED as per Table in chapter
"Indicator LED
TFT colour display
• Call up the phone number
• Adjusting the volume
Excute configured call number
Configure side key
signals", page
34
17