Hitachi V-209, Руководство по эксплуатации

Страница: 8 / 47

When not in
U!>e
When not m u:.e, put the dust-proof cover on the mstrumcnt
aud store 11 with care.
When Operation is faulty
Recheck the operating procedure and if problem persists.
contact a nearly service station or agent.
Care and repair
Removal of stam from the case.
When the outs1de of the case is stained. remove the stain
hy first wiping 11 lightly with a cloth moistened
v.
ith
neutral washmg agent and then w1pe the surface w1th a
dry cloth.
•
'\ever use strongly volatile
agent
such as bentine and
mner
When the panel surface
is
stained, remove the stain in
sm1ilar way with a clean, soft cloth. When heavy stains
are present, first remove the stains by w1pmg the surface
lightly with a cloth moistened with diluted neutral wash­
ing agent or With alc.:ohol and then wipe thoroughly with
a dry cloth.
When dust has accumulated on the inside, remove it by
using dry brush. or by using the exhaust of a compressor
or a vacuum cleaner.
NOTE: When opening the case. pull out the power suppl]
plug beforehand without fail
When cleaning the inside, insure beforehand that no
electricity remains in the condensers of the power
supply circuit.
•
Cleaning of CRT
01rty surface of CRT screen tends to cause measuring errors
The screen surface becames v1sible when the bezel is remO\­
ed.
Remove the stains
on
CRT and filter by using a clean and
soft cloth, paying attention not to impair them.
When the stain is extremely heavy. wash them with neutral