Tomey OA-2000 - Optical Measurement; Ultrasound Measurement

6-5 ■
6.2 Optical measurement
 Measurement cannot be performed. Stable measurements
cannot be obtained. Measurements are largely different from
those taken before.
The measurement window is dirty.
Check that the measurement window is clean.
A problem has occurred in the instrument.
Contact our local distributor.
The system is not correctly calibrated.
Calibrate the system.(Refer to “3.9.2 Measurement.”)
6.3 Ultrasound measurement
 Measurement cannot be performed in Auto mode.
The mode is set to Manual.
Set to auto measurement (Auto or Auto quick). (Refer
to “3.4.1 Setting measurement conditions.")
Noise is generated in the peripheral area.
If there is any source of noise (devices such as a motor,
laser surgical equipment, etc.) near the instrument,
move it away from the instrument.
Patient’s sight is unstable.
Use the fixlight in the biometry probe or on the chin rest
to guide the sight of the patient.
The contact section of the biometry probe is damaged.
If damaged, immediately stop measurement and contact
our local distributor.
 Measurement cannot be performed in Manual mode.
The mode is set to auto measurement (Auto or Auto
quick).
Set to Manual mode. (Refer to “3.4.1 Setting
measurement conditions.")