Sharp HS-DM4062 User Manual page 12

Backup mode:
Before backup, USB pan driver is required. Back up file size can not exceed 1GB, when
system reads USB (thumb driver only) device 128MB USB, the system will stop recording
about 2 seconds. On live mode, press backup button to file backup page.
Total hard disk date & time range
Select start and end time of backup
After select backup time, apply to count
data size. After size appears, press backup
button to USB page.
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