Elma BM811 Elma BM817 Elma BM515 - Elma Instruments

Elma 811 + 817 + 515 side 68Backlit displayPress the SELECT button for at least 1 second to turn on or off the display backlight function. Thebacklight will also be turned off automatically after 30 seconds to extend battery life.HoldThe hold function freezes the display for later viewing. Press the HOLD button momentarily toactivate or to exit the hold functionZoom 5x analog pointer (BM815 & BM817 only)The Zoom mode analog pointer magnifies up to 5 times the regular analog bar chart resolution toshow minute signal changes with a single analog pointer. It is virtually equivalent to the bar chartresolution of 5 X 50 = 250 segments.