Canon TX-20 Full Auto Tonometer - Manual (Page 30)

30
3NamesofParts
Screen that Appears When Measurement Fails
Anterior Segment Image Display Screen
If a measurement error occurs while measuring intraocular pressure, the anterior segment image
from just prior to measuring is displayed. The anterior segment image disappears after 5 seconds or
if you press a soft key.
If [OFF] is set for [Error Display] in the intraocular pressure measurement menu, the anterior
segment image is not displayed (see page 62).
1
2
1 Eyelid warning line
Perform the measurement while the eyelid and
eyelashes are above the warning line.
2 Cross mark
Displays the intraocular pressure measurement
optical axis.
L-IE-5191C_TX-20.indb 30 2013/07/18 13:10:22