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2.3
Operational elements at the front side
The system has an illuminated graphical display with a resolution of 160 x 32 pixel
and 19 operating buttons.
On the right next to the display there are two softkeys whose current functions are
indicated on the display. In the middle there are two cursor buttons (upwards/
downwards) as well as an OK button. The numerical pad supports the characters
0...9, '*' and '#'.
2.4
Front status LEDs
The system has five LEDs for status indication at the front side.
POWER
•
Permanent green: when system is ready for operation.
•
SYNC
Lights up if at least one telephone connection is established.
•
ALARM
Signals whether there is a system alarm (hardware) or an application
alarm (software) pending.
•
INFO 1
Depending on system.
INFO 2
•
Depending on system.
12
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