Start Measurement - Canon TX-F Operation Manual

5.2 FULL AUTO/AUTO Measurement

Start measurement

5
Tell the examinee that the mea-
surement is going to be per-
formed and ask the examinee to
open his/her eye wide.
Press
Press any switch or turn the roller or trackball. The measurement head will stop.
However, if the measurement head is in a position where measurement can be
made, measurement will be performed if the
matic alignment (compulsory measurement). Measurement error may occur, how-
ever, if the positioning is not accurate.
SW AGAIN" is displayed, or when alignment does not end
When automatic alignment cannot be performed within a specified time, the mea-
surement head stops moving and a warning message "
FOUND PRESS START SW AGAIN
matic alignment does not end, due to the condition of examinee's eye. In this case,
take the measures indicated below according to the cause.
[Cause 1]
[Remedy 1] Move the position of examinee's eye displayed on the monitor
[Cause 2]
[Remedy 2] Have him/her look at the eye fixation lamp. Or, if two bright dots
START switch.
How to stop auto alignment
When a warning message "[1] EYE CANNOT BE FOUND PRESS START
The position of examinee's eye is off the automatic alignment
range.
toward the center a little more using the roller and trackball. Then,
press the
START
with the height of the chin rest as required.
Examinee's eye is moving restlessly.
are displayed on the monitor, measurement will be performed if the
START switch is pressed timely during automatic alignment (com-
pulsory measurement).
NOTE: Measurement error may occur if the positioning is not
F UL LAU TO(3)
3 0
Bright dots
R
L
START
" will be displayed. Also, in some cases, auto-
switch. Adjust the height of the examinee's eye
accurate. Perform compulsory measurement only when
measurement must be done even when the examinee's eye
is not fixed.
– 22 –
N o . 0 0 0 0 0 1
mmHg
STD
[ , , ]
[ , , ]
switch is pressed during auto-
[1] EYE CANNOT BE