Pachymeter Operation and Clinical Use Section 4
TROUBLESHOOTING THE
MEASUREMENT PROCESS
PRINTING
Printed records are available when using the
optional thermal printer.
If a reading is not obtained within approximately
ten (10) seconds, the P
ACSCAN™ will emit a
long audible tone and display a “Timeout”
message on the screen. The procedure can be
tried again.
1. Print Record Format.
¾ The examination record organizes data
and information into a report format.
1. It may be necessary to have the patient blink
a few times in order to lubricate the cornea
to better facilitate ultrasound transmission.
2. Printing. Touch the [ PRINT ] button.
4.6
TEST TARGET
2. It is important to hold the probe very still
while performing a measurement. The
P
ACSCAN™ has a built-in mechanism for
ensuring this occurs, as no reading will be
accepted where the angle of the probe to the
cornea fluctuates by more than ±10º
(otherwise known as the “acceptance
angle”).
A test target is included with the system which
can be used to simulate the measurement
process.
1. Remove the test target from its holder on the
left side of the P
ACSCAN™ and place on a
flat surface with the open end up.
3. The tip of the probe should be clean and dry
between readings to insure proper readings.
If difficulties persist, contact your local
representative or Sonomed for assistance.
2. Place a small amount of water inside of the
test target and fully insert the pachymeter
probe into the target.
3. Lift the probe and test target up to a vertical
position with the test target on top of the
probe, holding the two together.
4. Measurements may now be performed.
4 - 8 Doc # 0300-A-1901-3D
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