12Major operating controls and their functions■ Front viewq Error indicator (ERROR)Blinks red when an error occurs that may cause the sys-tem to go down.Blinks orange when an error occurs that will not keep therecorder from running. (e.g. thermal error, cooling fan mal-function, etc.)w Alarm indicator (ALARM)Blinks when an alarm occurs, and lights when the alarmoutput stops.The blinking or lighting indicator will go off when the alarmis reset.Refer to the operating instructions (PDF) for further infor-mation about alarms.e Alarm suspension indicator (ALARM SUSPEND)Lights when the alarm suspension mode is selected.Refer to the operating instructions (PDF) for further infor-mation about alarm suspension.r [BUZZER STOP] buttonPress this button to stop the buzzer that started soundingat an alarm/error occurrence.Refer to the operating instructions (PDF) for further infor-mation about errors and alarms.t LCDIndicates the status of the recorder (error status, etc.) orthe name of the functions available using the buttons onthe front panel of the recorder.y HDD access indicators (HDD1 - HDD9)Indicate the statuses of the hard disk drives.HDD access indicator (right side)Indicates the status (access/failure) of the respective harddisk drive.When an HDD failure (error) occurs during operation in theRAID 5/RAID 6 mode, the indicator will light/blink red.Off: Indicates that the respective hard disk drive is notbeing accessed.Lights green: Indicates that the respective hard disk driveis being accessed.Lights red: Indicates that the respective hard disk drive isfaulty (which can be recovered by replacing the harddisk drive).In the RAID 5 mode, it indicates that the hard diskdrive is the first faulty drive.In the RAID 6 mode, it indicates that the hard diskdrives are the first and second faulty drives.Blinks red: Indicates that the respective hard disk drive isfaulty (which cannot be recovered even by replacingthe hard disk drive).In the RAID 5 mode, it indicates that the hard diskdrive is the second faulty drive.In the RAID 6 mode, it indicates that the hard diskdrive is the third faulty drive.Lights red and orange alternately: Indicates that the harddisk drive is currently being recovered in the RAID 5/RAID 6 mode.(It may appear that the indicator lights orange whenrecovery is being processed at high speed.)w e r t y u iqo !1 !2 !3!0 !4 !5 !6