Precautions - MAC TOOLS EM720C Manual De Instrucciones

The normal function of the product may be disturbed by strong Elec-
tro-Magnetic Interference. If so, simply reset the product to resume normal
operation by following the instruction manual. In case the function could
not resume, please use the product in other location.

2.1 Precautions

To avoid possible electric shock, personal injury or damage to the meter,
please observe the following:
1. Before using the meter, check the meter for damage during transport.
2. Check the test leads for damage to the insulation or wires before use.
3 Ensure the meter works properly by testing a known voltage first. If not
working properly, have the meter serviced before using.
4. Never exceed the protection limit values indicated in the specifications
for each range of measurement.
5. Always use caution when making voltage measurements above 60V dc
or 30V ac rms.
6. Make sure to use the correct input jacks and function.
7. Do not place the meter in any environment with dust, explosive gas or
vapor.
8. Always keep fingers behind the probe barriers.
9. Connect the common test lead first, then the hot lead. Disconnect in
reverse order.
10. Turn off power and discharge capacitors before measuring resistance,
diodes or continuity.
11. Failure to follow safety guidelines may prevent the meter's built in
protection from working properly.
12. To avoid damage or incorrect readings, check for AC voltage present
before making DC voltage measurements.
13. Do not use the meter with the battery cover not securely in place.
14. When the «
rect readings.
15. Before opening the case, always disconnect test leads from all ener-
gized circuits.
16. Only use the test leads provides with the multimeter, or replace them
by identical cables having the same characteristics.
17. Do not touch input jacks during measurement to avoid electric shock.
18. Before switching functions, remove test leads from an circuit.
4
» symbol appears, replace the batteries to avoid incor-
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