System
Programming Guide 107
Parameter 33. FWD / DND lamp pattern
Default FWD: Flash, DND: On
Value Range
1. FWD: Flash, DND: On 
2. FWD: On, DND: Flash 
Description/Function Specifies the lamp patterns of the FWD / DND button.
Reference • 1.8 Ringing Features (F/G)
– Do Not Disturb (DND) 
• 1.11 Transferring Features (F/G)
– Call Forwarding 
• 2.5.1 Forwarding Your Calls (Call Forwarding) (U/M)
• 2.5.2 Forwarding Your Calls by ISDN (Call Forwarding by ISDN 
Provider) (U/M)
Parameter 34. ELCOT / LCOT Busy-out Loop Relay 
Default OFF
Value Range
1. ON
2. OFF
Description/Function When a CO line is busied out manually by the Manager / an 
Operator, the status of Loop Relay is controlled by this setting.
Reference • 1.3 System Features (F/G)
– Trunk Busy—Out 
Parameter 35. GCOT Busy-out Loop Relay 
Default OFF-RING-OPEN
Value Range
1.
ON
2. OFF-RING-GND
3. OFF-RING-OPEN
Description/Function When a CO line is busied out manually by the Manager / an 
Operator, the status of Loop Relay and Ring-FG are controlled by 
this setting.
Reference • 1.3 System Features (F/G)
– Trunk Busy—Out