32 N°: 999341_EN_DVR 2pro/12.07.2017Operation5.2.3 Pressure measurementSwitch‑on vacuum measurement1. Press ON/OFF key at the switched‑off gauge.5 Display of actual pressure.Switch‑off vacuum measurement1. Press and hold ON/OFF key shortly (approx. 1–2 Sec.) toswitch off the gauge.5 Briefly displayed battery‘s discharge status. Amount ofpointers displays battery state,5 and indicates system data for our service department.5 Display switched off,