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MAINTENANCE
MAINTENANCE
Dust is a formidable foe to the instrument. Cover the machine when not in use.
When not in use, turn off the power switch.
When the AC adapter is not in use for long time, disconnect the power plug.
DAILY CHECKUPS
Inspection at start
You can change the test distance by the setting in the instrument. Ensure that the correct distance is
set prior to performing the V. A. test not to perform measurement with a different test distance.
For the setting of the instrument, refer to "SETTING" in this manual.
Cleaning the liquid crystal display
When the liquid crystal display is stained, wipe it lightly with absorbent cotton or a clean cloth.
When the liquid crystal display is badly stained, prepare the diluted neutral detergent and moisten a
soft cloth with it. Wring the cloth thoroughly and wipe the liquid crystal display with the cloth. After the
liquid crystal display is dried, wipe it with a dry soft cloth.
WARNING
To avoid fire or electric shock, turn off the power of the instrument and
remove the power plug from the outlet before inspecting or cleaning the
instrument.
CAUTION
To prevent the reliability of the measurement result from being lowered,
set the test distance of the instrument correctly.
NOTICE
Do not use organic solvent such as thinner. Do not leave the instrument
with water drops on its surface as it is. Keep the liquid crystal display
surface dry from moisture. The liquid crystal display may be deterio-
rated or damaged. If any liquid enters the instrument, it may malfunc-
tion.
NOTICE
Do not apply force when removing the dust on the liquid crystal display.
Cleaning the liquid crystal display with tissue paper may cause the
instrument to be damaged.
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