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How to use the Advent xt Door Entry System User Guide For Your ADVENT xt DOOR ENTRY TELEPHONE Telephone Model No. ZFT220/221 www.tynetec.co.uk Doc No. FM0585 ISSUE C...
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INTRODUCTION TO ANSWER A CALL Your Advent xt telephone is used to answer calls from visitors using the buildings Your telephone will ring when a visitor is calling door entry system. The pushbutton has two functions; The ring tone will repeat for 40 seconds or until you pick-up the handset 1.