Velleman ESR70 - Manual (Page 9)

Atlas ESR User Guide February 2008 – Rev 4
Page 9
Probe Compensation
To ensure good repeatable readings, particularly for low values of ESR, it may
be necessary to occasionally perform a simple Probe Compensation procedure.
1. Ensure the unit is switched off.
2. Press and hold down the on-
test
button for about 4
seconds until the following
message is displayed:
3. The unit will then ask you to
short the probes together (by
interlocking the jaws of each
croc clip). Then press the on-
test
button.
4. After a short delay the display
will confirm that the
procedure is complete and
then switch off.
If the following message is displayed
then the probes may not have been
correctly shorted during the above
proecedure. This message may also be
displayed if any of the probe connections are faulty.
OK
Probe
Compensation
Short probes
and press TEST.
Compensation
Fail. Try again.