√ Process installation with following steps for all kinds. of hanging-type WZ-VC-3 21.5" 1680x1050 0. 282mm √ √ instrument: WZ-VC-4 19" 1440x900 0. 284mm 1、Take out instrument and hanger parts from package. Hanger usually has √ √ 21.5" 1920x1080 0.2475mm been installed with mstrument.
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Packing list Items Name Quantity Notes Main instrument Controller Controller battery Signal light Function switch Hanger hanger fixing screws power line Power button Contrast sensitivity User’s manual Warranty card Certification Red and green color Structure and function Binocular balance balance Signal receive point To receive control signal Astigmatic optotype Power lamp Indication of power state Backlight function...