www.advancedco.com“SERVICE NUMBER” - Numbers/Text displayed under fault conditions.“COMPANY LCD LOGO” - Toggle on/off as required“PROGRAM ID” - Displays the full version number of the installed software.“CONFIG DATA - Shows checksum corresponding to terminal configuration- (Moving to the right gives option to erase all configuration data)2.5 Key-Switch OperationAs an alternative to passwords, a key switch can be used to change between Level 2 and Level 1 access on theMX4020 by connecting a key switch to the “KEY-SWITCH INPUT” terminals.This input is pre-defined to inhibit the RESET, SILENCE, RESOUND and EVACUATE control functions when theterminal is at access level 1.3 User Operating InstructionsThe following instructions give general information on how to use the panel displays. Always take into account thespecific Fire Procedures for your building when using these instructions.3.1 Automatic Display Modes3.1.1 Fire DisplayThe primary function of this remote terminal is to indicate the location of any fires that may occur. You do not needto press any keys to see where a fire has started.Twin red LED indicators will illuminate when information on a fire is received.The origin of the fire is automatically displayed at the top of the screen. The zone number is displayed, togetherwith a full text description of the zone.On the third line the display shows additional text to describe where, within the zone, the device is located and alsothe type of device that has detected the fire.Below a dividing line drawn across the screen is information on how many zones are in fire and to where the firehas spread. For example:. FIRE STARTED IN ZONE 0001 Scroll SOUTH WING GROUND FLOORENTRANCE LOBBY POINT >[ 2 Zones in Fire][Last Fire in Z0057]SOUTH WING FIRST FLOORThe above example shows a fire that has started in zone 1, in the South Wing Ground Floor. The device thatdetected the fire is a call point situated in the entrance lobby.The bottom part of the display shows us that the fire has also spread into a second zone, the South Wing FirstFloor (zone 57).