Panasonic KX-TD500 Features Manual page 326

General Features
LED Indication
Off
Green On
Green slow flash
Green moderate flash
Green rapid flash
Red On
Red slow flash
Red moderate flash
Red rapid flash
• Items marked with " " are only available on the Single-CO button.
Conditions
None
Programming Guide References
System Programming is not required.
Features Guide References
1.16 Button Features
• Button, Line Access
User Manual References
Not applicable.
326
LED Indication and the line status — SDN button
Idle
You are using the line.
You have a held call.
You have one of the following:
1.
Exclusive hold
2.
Consultation hold
3.
Conference, unattended
Hold Recall / Automatic Callback Busy / Privacy
Release possible*
PDN in use / PDN on exclusive hold
PDN on hold
A call is coming in.
Line Status
———
Features Guide