Panasonic VL-V522LCE - Troubleshooting Guide; Door Station Operation Check

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VL-SWD272BX/SWD272CX/SWD272CX1/SWD272AZ/VL-WD613CX/VL-WD613CX1
9 Troubleshooting Guide
9.1. Operation Check of the Door Station
Reference:
• Refer to Calling Operation in Signal Route (P.49).
• Refer to Talk Signal in Signal Route (P.49).