92 HARDWARE OVERVIEW2.1 FRONT PANELCDR 0410VEDVR OPERATIONNO. LABEL OPERATION PTZ1 IR Sensor For Remote Control.2 LED REC Led Indicator3 CONTROLPANEL Record, Playback And Control Button.4 1-4 & Quad Press the Button to Display No.1~No.4 Camera Imageson Full Screen and Quad for Multi Channel Screen5 ▲▼◄► &MENUButton Of Controller.Button Of Menu ScreenUP, DOWN,LEFT &RIGHT6 ENTER © Enter and Copy Button7 USB Connector.