IOT-Smart Solutions MDAH4804, Руководство по установке

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back to the battery, and if the fuse of the power wire is n good condition;
Check whether there is voltage(more than 7V) on power input ACC signal wire; Check whether the
hard disk key is turned off.
14) What is the log in user name and password for new device?
The default user name and password are both “admin”. The device password can be set as empty.
15) In the ON/OFF of basic settings, the low voltage protection is 8V, why?
After testing, when the battery is lower than 8V, the voltage will lower down quickly. Therefore the
lowest voltage is set to be 8V. When it is lower than 8V, the MDVR device will recognize it as
external power-off and then enter into shutdown state.