Detector Overview - Helio SL Series Operating Manual

Overview
The Helio SL gas detector is provided with an internal 2 x 8-character LCD
display, with an "M" menu button and both "Up" and "Down" push buttons to
navigate through the program menus.
During normal operation the internal LCD display shows the current gas
concentration and alarm status if activated.
Gas concentration displayed Internal LCD Display
as %Vol, ppm or ppb.
Access menu &
calibration functions
HGD SL Series Ver. 1.0 7