MEDIZS Smart LC-13, Operation Manual

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① Transmitter
- Sends a control signal to the main body
② Buttons for Optotype
- Used to select the type of the optotypes
③ Buttons for other tests
- Used to select the charts for other tests
④ Direction Buttons
- Move the position of the mask (Vertical
line/Horizontal line/Single letter)
- Move the direction on SETUP screen
⑤ SETUP Button
- Enter SETUP screen to set beep sound, screen
brightness, refraction distance, and color density of
Red and Green filter.
⑥ OK button
- Set the option on Setup screen
⑦ ETDRS button
- Displays ETDRS charts
⑧ SLIDE button
- Display the slide show such as eye care information,
color-blindness, eyeball exercise, animation, etc.
⑨ RANDOM button
- Randomly rearranges letter order at the same VA
⑩ CONTRAST button
- Selects the contrast of charts
⑪ Red-Green filter button
- Applies the red-green filter to the VA charts
⑫ Inverse button
- Pressing the button toggles between normal and
inversed black and white displays
⑬ PROGRAM buttons
- Display the chart to be programmed by the user.
- : Pressing the button changes the program in
the order Program A → B → C → D → E → A …
- : Saves the displayed chart on selected
program
- : Displays the chart in order to be
programmed by the user
⑭ Screen mask
- Select the mask (Vertical line/Horizontal line/Single
letter)