AVE MV DR4000 - Manual (Page 16)

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3.4 Updating System Software
If the system software of the MV-DR4000 needs to be upgraded, please take the following steps to
safely update it.
Important: Before carrying out the following procedures, please ensure the SD card is working
and the file of system software is intact
1. Turn off the 4CH DVR.
2. Insert the SD card into the built-in SD slot of the unit.
3. Hold down the Up and Down buttons simultaneously, and then turn on the unit.
4. Keep holding down the buttons until the 4CH DVR sounds a tone and display the message
“ XXXXXX BYTES READ” Now the 4CH DVR is updating the system software, which will take
approximately 90 seconds to process.
5. Restart the unit turn off the POWER button when the device sounds a tone twice and displays the
message “ PLEASE RESTART”. Then turn on the POWER button. The process is complete.
(If you have already followed the procedure 1~5. the unit, however, not being able to power on.
Please first check if the SD card you are using is functioning and the file is intact. And then repeat
procedures 1 ~ 5 again.)
6. Verify the version of the system software. (Please refer to section 5.6 VERSION option)
A-rec T-rec DISK
Power Search Seq.
/Save
Setup
13 12
Enter Display Play Pause Stop
SD Card
Rec
ZOOM
Warning: Don’t Interrupt the process while the unit is updating itself. Doing so could
cause the unit hang/lock-up.