SW Ver means sottware version, also named firmware version.
HW Ver means hardware version
MCU Ver means Microcontroller Unit
GPS Valid means GPS connected successful
WIFI sign -70db OK means wifi settings is right, and connection successful
Center-L successful means MDVR can connect to IVMS Server successful
Ext Temp means external temperature sensor
This means the real voltage input
MCU COM mean RS485 serial device connection
X,Y,Z means G-sensor x,y,z value
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