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Distance (feet): 5 ft-24
ft, step: 0.5 ft.
Factory default: 20 ft.
Optometry distance can be set based on the situation of the optometry room.
4) Operators decide whether sight marks are effective according to their own needs and demands:
Highlighted marks are effective and low-lighted are ineffective. When they are effective, the
corresponding sight mark type key on the remote control has the reusable function, it means that by
tapping the corresponding sight mark type key effective sight marks can be changed by pressing
key.
5) Unit: Decimal1, Decimal2, Decimal3, Decimal4, 5-Grade, Metric1, Metric2, Metric3, Imperial 1,
Imperial 2, Imperial 3, LogMAR1, LogMAR2, LogMAR3, VAR1, VAR2, VAR3
Set vision value display method.
Factory default: decimal1.
6) Scale
Red green mark: Isometry, Retain. Factory default: Retain.
Dot mark: Isometry, Retain. Factory default: Retain.
Astigmatism mark: Isometry, Retain. Factory default: Isometry.
Balance mark: Isometry, Retain. Factory default: Isometry.
Critical distance: at critical working distance operator can proportionally zoom in so as to perform
examination of critical visual acuity.
Factory default: unadjustable by default.
7) System
a) Screen saver: On, Off, Video (product promotion material)
Factory default: On
b) Sleep: 5 mins, 15 mins and 45 mins
Factory default: 5 mins
c) Auto off: 1 hour, 3 hours, 5 hours, off
Factory default: 3 hours
d) Buzzer: Off, low, Medium, high
Factory default: Off
e) Luminance: Low, Medium, High, EX-High
