Name: LED Vision chart
Model: C901
LED 17-inch XGA Panel, 1280x1024 pixels, 160CD/m2
Optotype……E(Tumbling), C(Landolt),Alphabet, Numbers, Children
Visual unit…...........Decimal(0.04~2.0), Snellen(ft, 20/20)(500~10),
Snellen (M, 6/6)(150~3), LogMAR(-0.3~1.4),
5-Grade(3.6~5.3)
Distance…………………………………....…2M~7M (in steps of 0.1m)
6ft~24ft(in steps of 0.5ft)
Low vision.........................................0.6M~1.5M(in steps of 0.1m)
Mask type…...............Single mask, Horizontal mask, Vertical mask,
Red/Green mask, White/Black mask,
Contrast adjustment, Red/Green adjustment
Special test masks…………..........…Ishihara Test, Cross cylinder,
Astigmatism Test, Cross Grid,
Fixation point Test, Red/Green Panel,
Worth Test, Red/Green Balance,
Traffic light, Coincidence Test,
Stereo Test, Schober Test, ETDRS
Other functions…..Contrast Test function, Contrast Sensitivity Test,
Ramdomization Optotypes Playing function,
Real time R/G setting function,
Video playing function, Mirror function,
Screen-saver function, standby function
Input ……………………..power 110~230V AC +/-10%, 50/60Hz
Output power..............................................................12V DC
Power consumption............................................20 Watt(max)
Remote controller.............................IR remot, 2xAAA batteries
Packing dimension.............550 mm X150 mm X570mm (L/W/H)
Net Weight......................................................................3kgs
Gross Weight..................................................................6kgs