Picture Cycle Interval; Clock Display Delay; Interface Style - ZKTeco F18I User Manual

4. System Option

4.4.3 Picture cycle interval

Picture cycle interval means how soon will the picture be changed
（effective value is 3～999 seconds.)
Display propaganda picture: User can display some propaganda pictures on the
screen. The operation refers to this manual 10.4 Propaganda picture upload rules

4.4.4 Clock display delay

Time display delay means the clock picture display time length after
verification. After the display delay, the propaganda picture will be
displayed on initial interface again (with effective value of 0～999
seconds, and 0 means displaying clock all along. )

4.4.5 Interface style

User can set initialize interface's style. Press menu → System →
Display→ Initialize style.
There are three modes: common, matrix(default), magic. If change
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