Overrange Indication
If the 1 or -1 appears on the left side of the display the multimeter is overranged. This is when a range
has been selected that is lower than what the meter is currently reading. Increase the range until this
disappears. If it doesn’t, then the value being measured is too large for the meter to measure.
Zero Adjustment
There is no meter adjustments, this unit will automatically zero on the Volts, Amps and RPM functions.
Automatic Polarity
If the meter displays a minus (-) symbol on the DC volts or DC amp functions then the test leads are reversed.
Alligator Clip Adapters
Some meter tests and measurements are better done by using the alligator clips instead of just the
test probes. The clip provided just push onto the test probes.
Low Battery
When the 9v battery needs to be replaced a battery symbol will appears in the lower left corner of the display.
Battery Replacement
Turn meter OFF and remove test leads.
Remove screw from battery cover, remove battery cover, and battery
Install a new 9 Volt battery and re-assemble meter.
Fuse Replacement
Turn meter OFF and remove test leads.
Remove rubber holster and remove screw from battery cover, remove battery cover, and battery.
Remove screws from back of multimeter, remove back cover and remove fuse.
Replace fuse with same size and type as originally installed, re-assemble meter.
Fuse: 10A, 250V
Maintenance
Periodically wipe the case with a damp cloth, do not use abrasives or solvents. Do not subject the
meter to extreme heat or cold temperatures. Keep test probes away from extreme such as vehicle
exhaust manifolds.
MAINTENANCE & TROUBLESHOOTING
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