25N°: 999341_EN_DVR 2pro/12.07.2017Operation5 Operation5.1 Operating and display elements5.1.1 Operating elementsThe operation keys are on the rear. They correspond to the re‑spective symbol on the front frame.Operating elements123N° Key Meaning1 ON/OFF` Switch on/off gauge` Confirm pressure unit` Quit mode2 UP/DOWN` With pointer direction:left = decrease value, right = increase value` Select pressure unit` Adjust display power‑on time3 MODE` Call‑up power‑on time menu` Adjust measurement frequency` Change pointer direction1–3 all ` Only when clock is displayed: Reset automaticswitch‑offOperating elementsDVR 2proKey function
