User Manual of NVR Series DVRPage 13 Total 104Chapter3 Operational Instructions3.1 Front Panel3.1.1 NVRSTX/NVRSAX Front PanelThis picture is the front panel of NVR8TX/NVR8SAX/NVR16STX/NVR16SAX series DVRs. Index Type Name Description1 StateLamps1-16 Show channel 1-16 status. Green means recording; Redmeans network transmission; Orange means recording andnetwork transmission. Lamp twinkle and red means thecorresponding HDD has error.2 POWER POWER Device switch with power indicator lamp. Green means DVRis working; Red means DVR is powered off; No light meansno power is supplied.3 StateLampsREADYSTATUSALARMMODEMHDDLINKTx/RxDVR is ready.Green means you can use IR remote control.Red means there is alarm.Green means modem connection and dial-up successful.Twinkle in red means reading or writing HDD.Green means network is OK.Twinkle in green means data is being transmitted.4 CompoundKeysMENUESCPLAYRECEDIT1. Switch preview mode into menu;2. Brush control short key【WIPER】.Cancel and back to parent menu.1. Local playback;2. 【AUTO】in PTZ mode.1. Manual record;2. 【SHOT】in PTZ mode (adjust preset).1. In edit state, delete current cursor character;