User`s guide

230750-101, Rev. C. 9
TONO-PEN AVIA VET Tonometer Modes
POWER UP MODE
Pressing the activation button initiates the battery life, LCD,
sensor, and electronic self-test. A successful power-up puts the
device automatically into applanation mode.
APPLANATION MODE
A 15 second interval within which the user should complete the 6
applanations needed to acquire an IOP value. During applanation
mode, the LCD will display the IOP and number of applanations
collected. After 6 applanations are collected, the LCD will display
the average IOP along with a statistical condence indicator. After
25 seconds, the device will automatically go into a sleep mode. If
the activation button is pressed again the data will be lost and the
unit will be ready to start another measurement sequence.
VERIFICATION MODE
Pressing and holding the activation button for 5 seconds initiates
an electronic self test mode. Refer to the TONO-PEN AVIA VET
Verication section of this manual for details.
SLEEP MODE
A power-saving mode automatically activated after 25 seconds
of non-use. Pressing the activation button will initiate a power-up
mode.