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MAINTENANCE
Replacement for Battery and/or Fuse should only be done
after the test leads have been disconnected and POWER
OFF.
1. Battery Replacement
1). Note the condition of the batteries using the procedure
described above， if the battery needs to be replaced，
remove the screw and open the upper cover of the battery
cabinet on the rear case.
2). Take off the spent batteries and replace them with a
battery of the same type. Observing polarity as indicated
battery polarity marking on the bottom of the battery
compartments.
3). Replace the battery cabinet cover and tighten the screw.
2. Fuse Replacement
1). When the fuse needs replacement， use only UL-Listed
0.5A/250V fuse or 10A/250V fuse identical in physical size
to the original type Φ5 x 20 mm 0.5A/250V; or Φ6 x 32
mm 10A/250V.
2). Disassemble the side Holsters， and take off the screw，
then open the whole rear case. Remove the old fuse from
its holder; install the new fuse into it.
3). Replace the rear cover & Holsters， and tighten the screw.
14
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