Panasonic KX-TD612NZ - Manual (Page 163)

Operation
User Manual 163
2.9.5 If an External Relay is Connected
Pre-assigned extension users can switch on a relay connected to the system.
To switch on
• You can select by system programming the time the relay is activated.
If you assign 0, the relay is on while you are off-hook. Consult your dealer.
Off-hook. Dial 67.
DPT/SLT
On-hook.
6 7