Vesda Xtralis VLP Display Module (VSP-002) The Vesda Display Module provides real-time indication of the status of a VESDA VLP detector. It has a 20-segment vertical bar graph display, a 2 digit numeric display, an audible sounder, clear alarm and fault indicators. It also features 4 push button keys to control the detector and the mode of the display. The Display Module can be mounted into a detector unit, a remote mounting box or a 19in sub rack. Several displays can be configured to display information from a single detector in multiple locations.