KYORITSU 6050 - Manual (Page 5)

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# WARNING
● Never open the instrument case - (except for battery replacement
and in this case disconnect all leads first) because dangerous
voltages are present. Only fully trained and competent electrical
engineers should open the case. If a fault develops, return the
instrument to your distributor for inspection and repair.
● If the overheat symbol appears on the display ( )disconnect the
test lead from the circuit and allow to cool down.
● If abnormal conditions of any sort are noted (such as a faulty
display, unexpected readings, broken case, cracked test leads,
etc)do not use the tester and return it to your distributor for repair.
● Never attempt to use the instrument if the instrument or your hand
is wet.
● Do not rotate function switch when test button is depressed.
# CAUTION
● During testing it is possible that there may be a momentary
degradation of the reading due to the presence of excessive
transients or discharges on the electrical system under test.
Should this be observed, the test must be repeated to obtain a
correct reading. If in doubt, contact your distributor.
● Use a damp cloth and detergent for cleaning the instrument. Do
not use abrasives or solvents.
● Before using the instrument, please insert the batteries rightly in
accordance with the "10. BATTERY REPLACEMENT" of page
28.When not installing batteries, all the functions of the
instruments don't work.