Button functions

Action	Button function
Hold the up-arrow button () or down-arrow button () for less than 3 seconds	To enable scroll. NOTE: After 30 seconds of no interaction the meter goes back to automatic scroll mode.
Hold the up-arrow button () for 3 seconds	To enter the next menu.
Hold the down-arrow button () for 3 seconds	To go back to previous menu.
Hold both down-arrow button () and up-arrow button () for 3 seconds	To confirm settings.
Hold the up-arrow button () for ≥5 seconds	To enter program mode. To add or remove from the automatic scroll.