Prokit's Industries MT-1620 - Manual (Page 43)

5. MAINTENANCE
5.1 BATTERY REPLACEMENT
WARNING
Before attempting to remove the case, be
sure that test leads have been
disconnected from measurement circuit
to avoid electric shock hazard.
5.1.1 If the sign‘ ’appears on the LCD display, it
indicates that the battery should be
replaced.
5.1.2 Loosen the fixing screw of the case and
remove it. (see the right photo)
5.1.3 Replace the exhausted battery with a new
one.
5.1.4 Put the case as its origin.
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