1.18 Proprietary Telephone (PT) Features
222 Feature Guide
3. Light Pattern of the Corresponding Extension Status Button
*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
Conditions
• The incoming call shows on the buttons in the following priority:
ICD Group→ S-CO→ G-CO→ L-CO→ 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.
Programming Manual References
PC Programming Manual
3.8.17 [2-9] System Options
→ Option 1—PT Fwd / DND—Fwd LED
Slow red
flashing
Another
extension is
holding the line.
—
Rapid red
flashing
Incoming call to the incoming call distribution group
in Ring distribution method
—
Light Pattern Corresponding Extension Status Button (DSS)
Off Idle
Red on
Busy/Incoming call
*1
/DND for trunk calls
Rapid red flashing
Incoming call
*2
Light Pattern
Line Status Button
Trunk Status
Intercom Line
Status
Incoming Call
Distribution
Group Line
Status
S-CO G-CO L-CO INTERCOM ICD Group
Slow Flashing
Moderate Flashing
Rapid Flashing
1 s