Model No.Installation GuideModel Name Model No.VL-SV74Video Intercom SystemMain Monitor StationR This guide is for use with the above 3 models.Door station Main monitor stationR The Installation Guide in Indonesian and Thai can be accessed from the following site:https://panasonic.net/cns/pcc/support/intercom/sv74R Door station is described as "doorphone" and Main monitor station is described as "mainmonitor" in this guide.R In this guide, the suffix of each model number (e.g., the "BX" in "VL-SV74BX") is omittedunless necessary.Note to the installerR Before attempting to connect or operate this product, please read the label on the rear ofthe doorphone and the main monitor/extension monitor.R Please read this guide carefully, and install the product safely and correctly by followingthe instructions. Carefully read the information found in the section titled "For yoursafety" in particular.R Only use attachments/accessories specified by the manufacturer.R The installation shall be carried out in accordance with all applicable installation rules.R To the maximum extent permitted by law, Panasonic assumes no responsibility forinjuries or property damage resulting from failures arising out of improper installationor operation inconsistent with this document.R After installation, make sure to leave this guide with the customer.VL-MV74Door Station VL-V524R The VL-SV74 models composition consists of VL-MV74 and VL-V524.VL-V524 VL-MV74