Tomey UD-600, Operator'S Manual

Page: 232 / 262

6-18
6. Troubleshooting
<Assistant function of biometry>
z z
z z z The B-scan image and the A-scan waveform are not displayed.
Cause 1
The connection of the B-scan probe is not correct.
Remedy
Make sure that the B-scan probe is inserted
sufficiently for secured connection.
z z
z z z The B-scan images are too dark to see.
Cause 1
The setting value of total gain is too low.
Remedy
Turn the TOTAL volume to raise the total
gain.
z z
z z z
Ultrasound images are neither accurate nor clear.
Cause 1
The connection of the B-scan probe is not correct.
Remedy
Make sure that the B-scan probe is inserted
sufficiently for secured connection.
Cause 2
The gel for eye protection is not used or less than
necessary.
Remedy
Apply the gel to the face of the probe. If the
symptom cannot be improved, apply an addi-
tional amount of the gel.
Cause 3
Air bubbles are included in the gel applied inside of
the attachment.
Remedy
Replace the gel in such manner that no air
bubble is included in it.
Cause 4
Ambient noises
Remedy
Move the instrument to a place which is away
from the sources of any noises (such as from
those accompanied by motor and laser sur-
gery equipment).