Sound system and diagnostic interface 131
D50
2
Operation system and specification
Notice
●To ensure data security, it is
recommended to change the password as
soon as possible.
●If the user forgets to change the
password, the system can be restored to
the default password in 4s store.
System version information: DVR controller
software (SoC, MCU) version, hardware version,
App version can be checked.
SD card format: click this button to format SD
card.
SD card capacity query: total capacity, used
space and available space of SD card can be
checked.
Remove SD card: click this button to safely
remove SD card.
Notice
●The DVR directly plugs and unplugs the
SD card, which may cause the loss of
recording contents in the current period.
In order to ensure the integrity of
recording, it is recommended to use the
"SD card remove" button to safely
remove the SD card.
●Press the "one-click photo" button and the
DVR will take photos.
●Long press the "one-click photo" button, and
the DVR records emergency videos.
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