As of December, 2013Accessory item Order number Number of devices that can beconnectedRechargeable batteries HHR-4MY*1Battery type:– Nickel metal hydride (Ni-MH)– 2 x AAA (R03) size for eachhandset-Door station (called doorphone) VL-V554BX (surface mount)Max. of 2 (including the supplieddevices)VL-V554UBX (flush mount)VL-V566BX*2 (surface mount)Lobby station*3 (calleddoorphone)R for apartment complexesVL-V590BX*2Sub monitor VL-WD613BX Max. of 6 (including the supplieddevices)Wireless sensor camera (calledcamera)VL-WD812BX Max. of 4DECT repeater (called repeater) VL-FKD2BX Max. of 2*1 Replacement batteries may have a different capacity from that of the supplied batteries.*2 The specifications for the VL-V566BX and VL-V590BX differ to the specifications for the supplied doorphone.Generally, functions listed in this manual as available for the doorphone are available for the supplied doorphone,VL-V566BX, and VL-V590BX. However, the following functions are not available for the VL-V566BX andVL-V590BX.R Functions that are only unavailable for the VL-V590BX:– Monitoring the outside with the doorphone (® page 18)R Functions that are unavailable for both the VL-V566BX and VL-V590BX:– Wide/zoom settings and zoom position settings (® page 15)– Doorphone LED lights’ illumination settings (® page 34)– Doorphone backlight compensation settings (® page 34)*3 When using a lobby station:R Make sure to connect the lobby station to terminal D1/D2 on the rear of the main monitor. (See the InstallationGuide for details.)R The lobby station connected to terminal D1/D2 works as doorphone 1.1.3 General informationR In the event of problems, you should contact your equipment supplier in the first instance.For your future referenceWe recommend keeping a record of the following information to assist with any repair under warranty.Serial No. Date of purchase(found on the rear of the main monitor)Name and address of dealerAttach your purchase receipt here.41. Introduction