6Manual recordingFunction for starting and stopping recording manually by clicking the recording button or recording stop button.Schedule recordingFunction for starting and stopping recording automatically at a preset time.Event recordingFunction for starting recording automatically when an event occurs. Event recordings are divided into pre recordings(pictures before the event occurs) and post recordings (pictures after the event occurs).Emergency recordingFunction for performing priority recording in emergency situations, etc. through an external switch connected to theunit.External recording modeFunction for changing the timetable using an external switch connected to the unit.The timetable will be in the external recording mode during the external switch is "ON".SD memory recording/SD memory dataFunction featured in some Panasonic’s cameras that saves images on the SD memory card on the camera whencommunication with the camera failed in the period set for the schedule recording of this unit. Images saved by theSD memory recording are described as "SD memory data" on these operating instructions. The recording time of SDmemory data will be displayed based on the clock of the camera.EventAn event is a phenomenon which triggers a specific operation (event operation) in the unit. Events are divided intoterminal alarm, command alarm, and site alarm.SequenceSequence refers to automatically changing the displayed camera picture in a preset sequence. Sequence display ispossible while the unit displays live pictures.Electronic zoomFunction for enlarging live and playback pictures. While the camera uses the camera zoom function to enlarge pic-tures, the electronic zoom function enlarges the picture electronically in the unit and displays it.Camera controlCamera control refers to controlling the functions of the combination cameras connected to the unit. These functionsinclude Pan/Tilt, Zoom, Focus, Brightness, Preset Operations (moving the camera to a preset horizontal/verticalposition), and Auto (for example, automatic panning).System AdministratorThis refers to a person who has the responsibility and authority to operate the unit and perform settings.Write protection switchThis switch is on the plastic case covering the hard disk drive and is to be used to determine whether or not to pro-tect the hard disk drive from writing.