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ABB-Welcome M 4.3-Inch Video Handset User Manual

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This document is the user manual for the ABB-Welcome M series 4.3-inch video handset indoor station (models M22301-, M22302-, M22303-). It provides comprehensive instructions on safety, intended use, operations including call handling and settings (intercom, ringtone, volume, date/time, language, blacklist, factory reset), cleaning, technical data, and mounting/installation.

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