If An External Sensor Is Connected - Panasonic KX-TDA30 User Manual

1.10 Using User-supplied Equipment

1.10.3 If an External Sensor is Connected

Preprogrammed extensions can receive an alert call from an external sensor (e.g., security alarm)
connected to the PBX.
To answer a sensor call
PT/SLT/PS
Off-hook.
• If you do not answer a sensor call within a specified time period, the sensor call will stop.
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D.Tone
On-hook.