2、 The device sets a variety of scanning graphics, including straight line, two-dimensional, circular (ring), rectangular A
(progressive scanning), rectangular B (rectangular ring), triangle, spiral. It is used to improve the cleaning efficiency and
effect. Different scanning patterns are suitable for different occasions. Straight line, two-dimensional and spiral line are
suitable for hand-held mobile cleaning; circle (ring), rectangle a (progressive scanning), rectangle B (rectangular ring) and
triangle (ring) are suitable for fixed-point cleaning of complex graphics
(progressive scanning), rectangular B (rectangular ring), triangle, spiral. It is used to improve the cleaning efficiency and
effect. Different scanning patterns are suitable for different occasions. Straight line, two-dimensional and spiral line are
suitable for hand-held mobile cleaning; circle (ring), rectangle a (progressive scanning), rectangle B (rectangular ring) and
triangle (ring) are suitable for fixed-point cleaning of complex graphics