Installation GuideModel Name Video Intercom System Door stationModel No. VL-SVN511 Series VL-V555R This guide is for use with the above 2 models.R The VL-SVN511 models composition consists of VL-MVN511 and VL-V555.VL-MVN511 VL-V555Main monitor station Door stationR For VL-V555 users: Please read the areas related to the VL-V555 and also please refer tothe installation guide of the main monitor that the doorphone is connected to.R 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-SVN511BX") 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.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 Panasonic assumes no responsibility for injuries or property damage resulting fromfailures arising out of improper installation or operation inconsistent with this guide.Additionally, any resulting malfunction will not be covered under the warranty.R After installation, make sure to leave this guide with the customer.