111
BASIC OPERATIONS
AIR CHECK
This instrument is equipped with a function for checking correct operations of the measure-
ment system inside the instrument.
1 In the TONO/PACHO mode measurement screen, press the .
2 The is displayed in the function menu display.
3 Check if there is any object before the measuring nozzle, and press the
. If any, the confirming message is displayed to remove the object.
PAGE selecting button
PAGE selecting button
Air check button
Air check button
Air check button