– 5 –System OverviewGeneralYour Honeywell security system consists of a main control panel, at least one keypad,and various sensors strategically positioned throughout the premises. The systemoffers you three forms of protection: burglary, fire and emergency. The keypadprovides full control of system operation.The system uses microcomputer technology to monitor all protection zones andsystem status and provides appropriate information for display on the keypad(s) usedwith the system, and initiates appropriate alarms. Your system may also have beenprogrammed to automatically transmit alarm or status messages over the phone linesto a central alarm monitoring station.This manual is designed to help you become comfortable operating yoursystem. Each function is explained in step-by-step detail. We recommend youread the SYSTEM OVERVIEW section to become familiar with theterminology and the basic features of the system.NOTE: If you have a Graphic/Touch-Screen Keypad connected to yoursystem, refer to the Graphic/Touch-Screen Keypad User Guide for operatinginstructions.NOTE: All references in this manual for number of zones, number of usercodes, number of access cards, and the event log capacity, use the VISTA-250BPT’s features. The following table lists the differences between theVISTA-128BPT/VISTA-128BPTSIA and the VISTA-250BPT control panels.Additionally, only the VISTA-128BPT/VISTA-128BPTSIA supports thecapability to have a device duplicate keypad sounds at a remote location. Allother features are identical for both panels.Feature VISTA-128BPT/VISTA-128BPTSIA VISTA-250BPTNumber of Zones 128 250Number of User Codes 150 250Number of Access Cards 250 500Event Log Capacity 512 1000VistaKey Modules 8 15