1. Introduction31.3 General informationR In the event of problems, you should contact your equipment supplier in the first instance.R The available products differ depending on your region. For more information, please consult your dealer.R In this document, the suffix of each model number (e.g., the "BX" in "VL-SV71BX") is omitted unless necessary.When the suffixes are used to describe models (e.g., "BX models"), the suffixes refer to all models in the series.R Design and specifications are subject to change without notice.R The illustrations in the supplied document may vary slightly from the actual product.House mode and Apartment modeThe main monitor can be configured to be used in two modes: House mode and Apartment mode.R House mode refers to when the main monitor is used as a stand-alone system and is not connected to a largersystem comprised of a VL-V900 lobby station. This document describes the operations for House mode.R Apartment mode refers to when the main monitor is used connected to a larger system comprised of a VL-V900lobby station, such as in apartment complexes. Operations for Apartment mode are described in 6. VL-V900basic operations (Page 13) of this document.For further information about features and operations, visit our Web site and find the document:https://panasonic.net/cns/pcc/support/intercom/v900For EuropeContact to Authorised Representative:Panasonic Testing CentrePanasonic Marketing Europe GmbHWinsbergring 15, 22525 Hamburg, GermanyEcodesign informationEcodesign information under EU Regulation (EC) No. 1275/2008 amended by (EU) Regulation No. 801/2013. From1 January 2015.Please visit here: www.ptc.panasonic.eu/erpClick [Downloads]a Energy related products information (Public)Power consumption in networked standby and guidance are mentioned in the Web site above.This device is classified as a HiNA device (networked equipment with high network availability), according toEcodesign requirements.Graphical symbols for use on equipment and their descriptions1. Alternating current (A.C.) 2. Direct current (D.C.) 3. Protective earth 4. Protective bonding earth 5. Functionalearth 6. For indoor use only 7. Class P equipment (equipment in which protection against electric shock relies onDouble Insulation or Reinforced Insulation) 8. "ON" (power) 9. "OFF" (power) 10. Stand-by (power) 11. "ON"/"OFF"(power; push-push) 12. Caution, risk of electric shock1 2 3 4 5 67 8 9 10 11 12