EverFocus EVS110 - Manual (Page 30)

IP99 series
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Diagram 3.16 Special setting
Default compression rate is 8. The lowest compression rate is 5 for clearer image.
compression
15 is the highest rate for smoother image.
3.16 Maintenance
Maintenance and system upgrade, as shown in diagram 3.17:
Diagram 3.17 Maintenance server and Upgrade server
Note: Please only use *.img file provided by Everfocus to upgrade firmware.
Everfocus will not be responsible for any damage or loss caused by usage of firmware
provided by the third party.