Chapter 3 39
symbol will appear indicating that the value on screen is the average of
the N measurements. Right below the average value the number that
appears after
can be changed to match the known hardness value
of the test piece sample.
When you touch
the new reference point will be saved and the
menu will change giving you two new options:
Other
: Touch
to add another reference point to the newly
created unit.
Ready
:
Touch
to finish the process for creating a new user unit.
User units created with one reference point are precise for
measurements that are close to the test piece sample hardness used to
create the user unit in the first place.
In order to extend the measuring range for the newly created unit we
recommend that another reference point be added using a second test
piece sample of a known hardness value.
Touch
to add
Other,
another reference point, and the following
screen will open:
Figure 3.30: Second user unit reference point