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In single-channel monitoring mode, press this
button to display the PTZ control and color
setting functions.
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Switch the PTZ control menu in PTZ control
interface.
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In motion detection interface, press this
button with direction keys to complete setup.
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In text mode, press and hold this button to
delete the last character. To use the clearing
function: Long press this button for 1.5
seconds.
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In HDD menu, switch HDD recording time and
other information as indicated in the pop-up
message.