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1.4 Fron tand Back Panel
1.4.1 Fron LED Indicators
1—HDD Lock, it’s used for unload hard disk.
（
Device will power off automatically if power on when HDD lock is open
）
2—HDD Fixed Screw . Please manually tighten screw after installing hard disk drive, to prevent HDD slip out ;
3— Status Indicator LED . Details as below :
PWR
— Power Indicator LED. LED light means system has powered on.
GPS
— GPS/BD Status indicator light. LED ON—Positioning success,
LED FLASH—In positioning ,LED OFF—No GPS Module.
HOT
—Hard disk heating LED. LED ON—HDD is heating,LED OFF—HDD doesn’t open heating.
SD
— SD card Indicator LED. LED ON—Card is recording,LED FLASH—Card exists but not recording,
LED OFF—Card does not exist.
HDD
— HDD card Indicator LED.LED ON—HDD is recording,LED FLASH—HDD exists but not recording,
LED OFF—HDD does not exist.
REC
— Video Recording Indicator LED.LED ON—In the recording
；
ALM
— Alarm Indicator LED. LED ON — In the alarm
；
NET
— Network Indicator LED. It changes based on dial-up connection status,details as below:
LED OFF—No communication module, LED INTERMITTENT FLASH—SIM CARD does not exist ,
LED QUICK FLASH (1:1) —Device is dialing, LED SLOW FLASH (3:1)—server connection is not OK ;
LED ON - server connection is successful.
4—SIM Card and SD Card Slot; ( When installation gap towards inside, metal touch spot face down )
5—Front audio and video output interface;
（
Reserved
）
6—Infrared remote control receiving hole,It’s used to receive remote controller signal.
7—USB Interface
，
It’s used to import or export data or upgrade;
** Status LED will alternate loop flash when device power on, it will quick loop flash when device is upgrading **
**** Built-in UPS
，
after device power off, PWR LED will be continuously on ten more seconds ****
