VX90 - User Manual
19
IV.3 - Retro-illumination screen
N° Description
1 Increase illumination button
Used to increase the illumination of the LED
2 Decrease illumination button
Used to decrease the illumination of the LED
3 Retro-illumination mode
Touch it to have the retro illumination mode
4 Refraction observation in retro-illumination mode
Touch it to observe the refraction in the retro illumination mode
5 Print mode
Use to print ticket or send data
6
Clear Button
Press this button to clear the data
7
Settings Menu
Touch this button to access the settings menu
8 Refraction Measure
Touch this button to select only refraction measurement
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