Forch F73 Bedienungsanleitung Seite 63

To avoid damages to the instrument, do not exceed the maximum limits of the input
values shown in the technical specification tables.
When the multimeter is linked to measurement circuits, do not touch unused terminals.
Caution when working with voltages above 60Vdc or 30Vac rms. Such voltages pose
a shock hazard.
When using the probes, keep your fingers behind the finger guards.
When making connections, connect the common test lead before connecting the live
test lead; when disconnecting, disconnect the live test lead before disconnecting the
common test lead.
Before changing functions, disconnect the test leads from the circuit under test.
For all dc functions, including manual or auto-ranging, to avoid the risk of shock due to
possible improper reading, verify the presence of any ac voltages by first using the ac
function. Then select a dc voltage range equal to or greater than the ac range.
Disconnect circuits power and discharge all high-voltage capacitors before testing
resistance, continuity, diodes, or capacitance.
Never perform resistance or continuity measurements on live circuits.
Before measuring current, check the meter's fuse and turn off power to the circuit before
connecting the meter to the circuit.
In TV repair work, or when carrying out measurements on power switching circuits,
remember that high amplitude voltage pulses at the test points can damage the
multimeter. Use of a TV filter will attenuate any such pulses.
Use the 9V NEDA battery, properly installed in the Meter's battery case, to power the
Meter.
Replace the battery as soon as the battery indicator ( ) appears. With a low battery,
the Meter might produce false readings that can lead to electric shock and personal
injury.
Do not measure voltages above 600V in Category IV, or 1000V in Category III
installations.
Do not operate the Meter with the case (or part of the case) removed