VESDA by Xtralis VESDA VLC Product Guide
www.xtralis.com 11
Numerical Display Sensitivity: Shows the level of smoke that must be measured to illuminate
the entire bar graph and always corresponds with the fire alarm level.
Smoke Level: Indicates the current level of smoke in the relevant VESDA
address and is represented as % obs/m or % obs/ft.
Zone Number: This is the VESDA Zone number assigned to the Display
Module.
Note: The Mode Button is used to select the parameters represented
by the Numeric Display (sensitivity, smoke level, zone
number). The values displayed in the numerical display
represent the current readings for that mode.