64. NAME and FUNCTION of EACH PART4.1 FRONT PANEL BUTTONS and CONTROLS1. Camera Select (1-16 Video Channel Button)2. LED Indicator (Alarm/ Playback/ HDD/ Record).3. Removable Cartridge Casing: 3.5” IDE HDD, Max.: 500 GB (optional).4. Function Button:REC: Manual Record.STOP: Stop Button (Manual Record/ Play).PLAY: Play Button.PAUSE: Pause Button.SPLIT: Full Screen/ Quad Screen/ 9-Split Screen/ 16-Split Screen (switchingchannels).SEQ: Auto Sequencing Button.SEARCH: Quick Search on Data Recorded.MENU: Menu Setup Button.EXIT/ INFO: Return to Previous Menu/ System Information Display Switch.ENTER/ DISP: Confirm Button/ Message Display Switch.5. CF Card Slot: Insert the CF card to backup the recording material and toupgrade the system software etc.6. Direction Button:LEFT: Decreases the Setting Value under the Menu/ Step RewindPlayback/ Fast Rewind Playback (speed adjustable).RIGHT: Increases the Setting Value under the Menu/ Step ForwardPlayback/ Fast Forward Playback (speed adjustable).UP: Moves the Cursor Upward/ Forward Switching Channel Display.DOWN: Moves the Cursor Downward/ Rewind Switching Channel Display.24 6531