Alcad TCB-440 Guia Del Usuario página 18

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Adjust the volume level on the entrance
panel and on the monitors/telephones (1).
If there is acoustic feedback, adjust the
feedback control (
) (2) (Feature
available on certain models only). It is also
possible to regulate the volume of the beep
(3).
Close the panel, press it against the flush-
mounted box and fix it to this using the
clamping screws.Use the tool provided
DIGITAL VIDEO DOOR ENTRY SYSTEMS
Adjust the video unit's view angle until
getting the desired orientation.

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