16 N°: 999341_EN_DVR 2pro/12.07.2017Product descriptionRear viewRear side9857633 Operating keys5 Vacuum screw connection, support for` Hose nozzle with locking ring and knurled nutor` Hose directly connected with locking ring and knurled nutor` Small flange KF 166 Serial number + CE symbol7 Blind hole with thread M8 for support rod8 Manufacturer + address (rating plate)9 Battery compartment lid with screw (captive screw)` Block‑type battery 9 VMeaning
