1.20.3 LED Indication
Light Pattern
Slow red flash-
ing
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
Conditions
•
The incoming call shows on the buttons in the following priority:
ICD Group®S-CO®G-CO®L-CO®PDN®INTERCOM
•
The light pattern of a DSS button for incoming call can be set to "Off" through system programming. In this
case, the DSS button light will not indicate the status of the corresponding extension.
PC Programming Manual References
4.17 [2-9] System Options
→Option 1—
240
Feature Guide
Trunk Status
S-CO
G-CO
Another exten-
sion is holding
the line.
Incoming call to the incoming call distribution
group in Ring distribution method
Idle
Busy/Incoming call
Incoming call
1 s
PT Fwd / DND—Fwd LED
Line Status Button
L-CO
—
Corresponding Extension Status Button (DSS)
/DND for trunk calls
*1
*2
Incoming Call
Intercom Line
Distribution
Status
Group Line
Status
INTERCOM
ICD Group
—