Dahua sd22204t-gn

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2.4 SD Card Slot and Rest Button
SD card slot and button is shown in Figure 2-3.
Please make sure the SD card is in the non read-write state when removing it. Otherwise, it may
result in data loss and SD card damage. The button is used for default setting. Long press Reset
button for more than 5 seconds, the system configuration information will be recovered to default
setting.
Figure 2-3