In the field, the operator records attribute data using key words and phrases from a vocabulary database to describe observations. Users can check their position by glancing at the symbol tracking their movement on a color screen. They can also initiate queries by touching the screen with the pen. At the base station, the data file is post-processed and sent to a GIS database as attributes in a thematic map. ALTS is modular, allowing customers to select components that meet their particular needs.
Customers can buy standard vocabulary databases or make up their own.
A department can change, add or record an entirely new vocabulary in minutes. Voice Mapper can be configured to transmit data to the base station as it is collected in realtime, or hold the data for post-processing. Benefits Aurora City Manager John Pazour says ALTS helps the city maintain a proactive approach to potential problems. It also provides a basis for initiating a proactive strategy for dealing with neighborhoods before they become a serious problem. According to Director of Information Technology Steve Reneker, data collection has increased dramatically since the city began using the hands-free system.