VOSONIC GV6200 - Manual (Page 17)

1) Error Code :
The error detection method may include producing a warning sound
and displaying an error message on the 4-digital 7-segment display
indicator.
2) If any shut down caused by erroneous operation, you can
depress the [ reset] button located on the bottom to switch off
the main unit .
: SD Card Lock
: SD Card Error
: CMOS (camera) Error