HIKVISION DS-KB2421-IM Manuale d'uso - Pagina 19

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Video Door Phone·User Manual

Appendix

Installation Notice

While installing the indoor station, make sure that the distance between any two

devices is far enough to avoid the howling and echo. The distance between two devices

is recommended to be longer than 10 meters.

NOTE

Here devices refer to indoor stations, and door stations.

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