RearviewSafety RVS-4000 - Manual (Page 16)

SD Memory Card Format
Remove the power first. Press and hold the [PLAYBACK] & [PANIC] button.
Then connect the power.
Press and hold the [PLAYBACK] & [PANIC] more than 2seconds after
booting. Then SD card initialization will start.
Once complete, all video & log files will be deleted and the configurations
will default to the factory settings.
*This function can also be performed on a PC with the PC viewer
software.
Built-in power backup (Super Capacitor)
When power to the unit is interrupted, BX4000 saves the last file using the
internal Super Capacitor.
BLUE LED (RECORD)
The blue LED shows the power is on.
The blue LED blinks slowly during proper operation / recording.
RED LED (ERROR)
The red LED will be turned on when:
1) There is an SD card error
2) The BX4000 is powered on and during the boot-up time (20 sec – 1 min
after power on)
3) The “Panic” recording folder is full and needs to be purged
4) There is video signal loss or camera error
FUNCTION (MAIN UNIT)
16
VIDEO LOSS
The RED LED will go on to provide visual indication of video loss.
Check the camera and camera connection and turn off and on the unit to attempt
to resolve the issue.
Also, make sure the number of cameras that you connect is the same amount that
You have selected in the settings (check settings menu on Installation software).
Notice : PC Viewer software is pre-loaded on the SD card. Please ensure
you have installed the software to your PC before you format the card.