Panasonic KX-NCP500 Features Manual page 250

1.20.3 LED Indication
Light
Pattern
Red on
Slow red
flashing
Rapid red
flashing
For information on the light patterns of PDN and SDN buttons, refer to 1.7.1 Primary Directory Number
(PDN)/Secondary Directory Number (SDN) Extension.
3.
Light Pattern of the Corresponding Extension Status Button
Light Pattern
Off
Red on
Rapid red flashing
*1 Only when Call Pickup by a DSS button is disabled.
*2 Only when Call Pickup by a DSS button is enabled.
4.
Flashing Light Patterns
Slow Flashing
Moderate Flashing
Rapid Flashing
250 Feature Guide
Trunk Status
S-CO G-CO
Incoming call Other
for another extensions
extension/ are using all
Another trunks in the
extension is trunk group.
using the line/
Another
extension has
the line on
Exclusive
Hold.
Another
extension is
holding the
line.
Incoming call to the incoming call distribution
group in Ring distribution method
Idle
Busy/Incoming call
Incoming call
1 s
Line Status Button
L-CO
—
—
Corresponding Extension Status Button (DSS)
/DND for trunk calls
*1
*2
Incoming
Call
Intercom
Distribution
Line Status
Group Line
Status
INTERCOM ICD Group
This
extension is
logged out of
the incoming
call
distribution
group.
—