Nidec Auto Ref/Kerato/Tonometer Tonoref II

Disconnect the two fixing pins from the chinrest

Remove a proper number of chinrest papers from the pack

It is impossible to fix the whole pack of chinrest paper. Be sure to fix a stack with a thickness of 6 mm of less. Pay attention not to scatter chinest paper.

Pass the fixing pins through chinest paper

Pass the fixing pins through both holes of the stack of paper.

Fix the stack of chinrest paper onto the chinrest

1) Insert the pins into the holes in the chinrest while holding both fixing pins and stack of paper.

2) Push the pins into the holes of the chinrest.

Sign off on the chinrest paper fixing

Warning: This procedure requires trained personnel!

Removed the two fixing pins and chinrest paper?

Removed the cap from the spherical model eye?

Placed the model eye on the chinrest with its lens toward the measuring window?

Is the lens surface of the model eye clean?

Aligned the level of the spherical model eye for R/K measurement with the eye level marker?

Set the 1. STEP parameter to 0.01 D?

Performed AR and KM measurements in the same manner as normal AR and KM measurements?

Warning: Use a thin stick which does not damage glass lenses.

Display the R/K measurement screen.

Dust blown off the measuring window with a blower

Wrap lens cleaning paper around a thin stick such as a chopstick (or cotton swab) and wipe the lens of the measuring window with a material moistened with alcohol.

Measuring window lens cleaned with alcohol

Wipe off the glass of the mire ring around the measuring window using a gauze or such dampened with alcohol.

Mire ring around the measuring window cleaned with alcohol

Check if the window is cleaned using a penlight. If not, clean it again with new cleaning paper.

Window checked for cleanliness with a penlight

CAUTION: Never use an organic solvent such as paint thinner or alcohol.

CAUTION: Lightly wipe the exterior of the LCD. Do not press the LCD using an object with a hard tip and keep magnetic objects away from the LCD.

CAUTION: Never use a sponge or cloth soaked in water. The water may leak into the inside of the device and cause device failure.

Cover or panel of the device clean?

Sign off on the cleaning procedure

NOTE! Pay attention not to let dust or foreign particles into the air nozzle during cleaning.

Display the NT measuring screen

Check the glass part of the air nozzle from an oblique direction for dust, soiling, etc.

Blow the dust, foreign particles etc. off with a blower if they are settled.

Gently wipe the glass part with a cotton swab dampened with alcohol.

CAUTION! Gently wipe the air nozzle without rubbing or without wiping it with foreign particles setled. The glass part may be scratched.

Check the glass part for soiling again.

Sign off on the air nozzle cleaning