37HARD DISK and RECORDINGThe WJ-HD500B Hard Disk Recorder records the images on the Hard Disk as shown below, dividing space into six disk sec-tors.There are three recording modes, Time Lapse, Multi Shot and One Shot, to obtain reliable records by selecting the mode bestsuited for your purpose. Hard DiskAs described above, the divided hard disks are used for each recording method (Manual, Internal Programmed Timer, etc.),as shown below.• Manual RecorderRecords time lapse recording manually by selecting [OFF] for the timer.Power on recording is also enabled by selecting [EXT] for the timer.• Timer RecorderRecords the assigned camera group input with the internal timer in three recording modes by selecting [INT] for timer.The same camera input can not be assigned to another group.• Emergency RecorderThis recording is given priority to record all video inputs in Time Lapse Recording while the input is received from an out-board device.Note: With the above method, the hard disk space is divided into imaginary sectors, but there are no partitions. For thisreason, there is no pre-determined disk space for each recorder.Hard Disk (HDD)Manual RecorderGroup 1TimerRecorderGroup 2Group 3Group 4Emergency Recorder