5-7
■
5.4 Routine maintenance
■
Hold the plug when disconnecting the power
cord from the outlet to avoid applying excessive
force on the cord. Pulling the cord may damage
the inner core wires, resulting in electric shock or
fire.
■
Do not use organic solvents such as thinner,
benzene, or acetone to clean the instrument and
accessories. These solvents may damage the
surface of the instrument.
■
Disconnect the power cord and place the dust
cover over the main unit when the instrument is
not in operation for 1 month or longer.
■
Do not touch the optical parts of the
measurement window, etc. and keep these parts
free from dust. Fingerprints and dust will affect
measurement accuracy.
■
Place the dust cover over the main unit when not
in use.
5.4.1 Forehead pad and chin rest
■
Before starting measurement for a new patient,
gently wipe, without rubbing, sections that
patients touch directly, such as the forehead pad
and chin rest, with a cloth dampened with
alcohol.
5.4.2 Exterior
When the instrument or accessories get dirty, wipe them
with a soft, dry cloth. When it is very dirty, clean it using a
well wrung cloth dampened with diluted neutral detergent,
and then wipe it with a dry cloth.
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