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11. Maintenance/Inspection
This instrument is a controlled medical device, of which the measurements obtained using this instrument may be affected
by daily maintenance and inspection.
In order to use this instrument safely and correctly, carefully read the items listed in this section.
■
11-1 Daily maintenance
1 Perform a calibration of this instrument a month in accordance with the procedure specified in
“
5. Calibration”.
2 Turn off POWER switch and place the dust cover on the instrument after use.
3 Make sure that the photoreceiver lens and the light emitting lens are not contaminated with dust, finger prints, and/or
tear fluid. When they are contaminated wipe them clean first and re-clean using a soft gauze pad or sheets of lens
cleaning paper dampened with 1:1 solution made of absolute alcohol and ether. Do not use any other agent or cloth.
4 Make sure that Eye fixation lamp window is not contaminated with dust, finger prints, and/or tear fluid. When it is
contaminated, clean using sheets of lens cleaning paper dampened with neutral detergent solution. Do not use alcohol
for cleaning.
5 When the main part of the device gets soiled, clean it with soft cloth. When the main part of the instrument gets soiled,
clean it with soft cloth. Do not use chemicals or solvents such as thinner and benzene, which cause alteration, deforma-
tion, paint-loss.
6 If the instrument is not to be in use for a long period of time, turn OFF the Power switch and unplug the instrument.
7 When resuming use of instrument that has not been used for a long period of time, calibrate the instrument in accor-
dance with the procedure specified in
“
5. Calibration”.
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11-2 Daily inspection (by the user)
Perform daily inspection in accordance with
“
FM-600 Daily Inspection Table ”.
When a problem is detected but can not solved with Daily maintenance procedure described above, contact Kowa or your
Kowa dealer where you have purchased the instrument.
FM-600 Daily Inspection Table
Item Inspection Criteria
Power supply cable
Printer paper
Outer shell
Rating plate, Pre-
caution plate
Light emitting lens,
photoreceiver lens
Chin-rest
Ascending and de-
scending of Operat-
ing unit
Calibration
Visually inspect that the power supply cable has no damage.
Determine that an appropriate amount is left.
Visually inspect that the main part does not have any crack or
deformation.
Visually inspect that contents shown on the plates are read-
able.
Visually inspect that the window surfaces on these lenses are
not soiled.
Press Chin-rest ascending/descending switch and visually in-
spect that it operates properly.
Turn the joy stick and visually inspect that Operating unit as-
cends and descends properly.
Calibrate the device in accordance with the procedure speci-
fied in
“
5.Calibration”.
There is no damage.
There is an appropriate amo-
unt is left.
There is no crack or deforma-
tion.
Contents shown on the plates
are readable.
The lenses are not contami-
nated with dust, finger prints,
and/or tear fluid.
Chin-rest ascends and de-
scends properly.
Operating unit ascends and
descends properly.
Calibration successfully com-
pletes without any error.