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NOTE: Batteries should be replaced before their useful life has expired. Failure to
do so may result in corrosion and battery leakage.
c. Observe polarity when replacing the 1.5-volt D cell and connect as indicated.
The D cell is held in place with spring clips which also act as battery contact
clips. The 9-volt battery contacts and connector are polarized. To remove the
9-volt battery, first withdraw battery with mated connector from the compart-
ment. Then remove the connector.
5.3 Fuse Replacement
The 1 and 2 ampere fuse (also the 1A spare) is located in the externally acces-
sible battery and fuse compartment. Access compartment by disconnecting the
test leads and loosening the single captivated screw on the compartment cover.
To replace or check a fuse, apply pressure to the 1 amp fuse cup then rotate the
plate to expose a selected fuse for removal from the panel’s cavity.
NOTE: When replacing fuses, it is important to use the same type and value as
the ones you have removed.
5.4 Test Lead Inspection
Periodic inspection of the test leads is recommended to detect cuts, burned ar-
eas, deterioration or other damage that could reduce the insulation strength of
leads.
5.5 Care
a. Immediately clean all spilled materials from the Instrument and wipe dry. If
the spillage is corrosive, use a suitable cleaner to neutralize the corrosive
action.
b. When the Instrument is not in use, rotate the function switch to the OFF
position.
c. Avoid prolonged exposure or usage in areas which are subject to tempera-
ture and humidity extremes, vibration or mechanical shock, dust or corrosive
fumes, or strong electrical or electromagnetic interferences.
d. Verify Instrument accuracy by performing operational checks using known,
accurate, stable sources. If proper calibration equipment is not available,
contact the nearest Authorized Service Center. If the Instrument has not
been used for 30 days, check the batteries for leakage and replace if neces-
sary.
e. It is recommended that the Instrument be returned annually to the nearest
Authorized Service Center, or to the factory, for an overall check, adjustment,
and calibration.
f. When not in use, store the Instrument in a room free from temperature ex-
tremes, dust, corrosive fumes, and mechanical vibration or shock. If storage
time is expected to exceed 30 days, remove batteries.
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