(1)soundproof cover 2)carriage weight-changing lever
(3)template retainer level (4)carriage backlashing sensor
(5)power cord (6)adjustable cover
(7)waterproof cover (8)carriage
(9)lens clamp (10)gear wheel
(11)operation panel (12)on/off switch
(13)water supply pipe (14)water supply cock
(15)pump power cord (16)pump
(17)drain pipe (18)tank
2、LE-320/400/420 nomenclature