Karel DSS3L-24, Техническое описание и руководство пользователя

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GENERAL APPEARANCE
LED STATUS
Each of 24 keys on DSS module can be programmed for two different functions and the
status of the first function is shown with a red LED. If the assigned service is active, the
related LED becomes ON. If feature is cancelled, related LED becomes OFF. In the normal
operation mode, you can trace the function status of the keys as given below:
Extension Status LED Status
On Hook Off
Busy Continuously On
Incoming Call Blinking
Calling Blinking with a Special Cadence
Parked Blinking Fast
Remained Open Blinking with a Special Cadence