Dahua SD6980-HN - Dome Abnormal Phenomenon Operation; Restore to Factory Default Setup; PTZ Movement Is Not Smooth

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 EXIT: Log out system menu.
4.5 Dome Abnormal Phenomenon Operation
4.5.1 Restore to Factory Default Setup
From main menu-> SYSTEM INFORMATION, move cursor to FACTORY DEFAULT and click confirm button.
Dome will reboot and all the setups restore to factory default setup.
4.5.2 PTZ Movement is not smooth
From menu to SYSTEM INFORMATION, move cursor to RESTART and click confirm button. This reboot
will not modify all activated setup (such as preset, tour and pattern)