Dahua HAC-HFW2221R-Z-IRE6, Руководство пользователя

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Figure 4-4
See Sheet 4-1 for the details of button functions.
Button Function
Open menu
、
Select menu item
、
Select menu value
Adjust lens zoom and auto
trigger focus
Note:
Some of the buttons can only
be applied for the motorized
vari-focal camera.
Adjust lens focus
Auto focus under current
zoom rate
Lens reset
Sheet 4-1
If there is “ ”, click the “Confirm” button in “Menu Operation” interface to go to the 2nd menu.
Click “Return” button to go back to the previous menu interface.