36
(including performance check and safety check).
8. Cleaning and protection
8.1 Cleaning the protective glass
Remove the dust and dirt from protective glass regularly.
a. Remove the Lens support.
b. Blow off the dust and dirt on the surface of the protective glass with a blower.
c. If it's still dirty, wipe gently with a lens cleaning paper moistened with alcohol.
●
Dust on the protective glass may affect the measurement precision. Take special care not to
scratch the protective glass. Flaws on the glass substantially lower the reliability of
measurement.
8.2 Cleaning the lens
a. Blow off the dust and dirt on the surface of the lens with a blower.
b. Wipe gently with a lens cleaning paper moistened with alcohol.
●
wipe the lens from the center to the outside clockwise.
c. Check if the window is clean. If not, clean it again with a new paper.
●
Change the view angle to check the dirt clearly.
8.3 Others
Clean with soft cloth when the cover or dial becomes dirty. If there is dirt, wipe with cloth
moistened with neutral detergent, and then dry it with dry soft cloth.
Clean frequency: Need check if optical path system is dusty when turn on instrument.
●
The instrument no touch with patients, needn't disinfect.
●
Do not use organic solvents like diluted paint, which will ruin the surface of the instrument.
●
Wipe gently the screen or touch screen will be broken and lead to malfunction.
●
Do not wipe with watered sponge or cloth, as water may go into the instrument and lead to
malfunction.
9. Maintenance
9.1 Replacing printer paper
When a red line appears on the side of the printer paper, stop using the printer and replace with a
new one. Detailed steps are shown below: