38 Chapter 3
In order to create a user unit you must select a material (the closest
one to a material in the predetermined list) that you will be measuring,
and you must also choose a hardness unit.
After selecting the material and hardness unit
touch
on Custom Units to view available
the User Unit 1 and User Unit 2 menu
.
Figure 3.28: Select User Unit 1 or 2 menu
Choose one of the user units touching
(choosing user unit 1 or 2
makes no difference) and enter the first reference point:
Figure 3.29: First user unit reference point
To enter the first user unit reference point you must make (N) number
of measurements on the test piece of the uncommon material or alloy
of a known hardness value.
Two options will appear on your unit screen:
N=0
: Use the
key to reset the counter to 0 if a wrong
measurement was taken.
Angle
: Use the
key to change the impact device angle.
Each measurement will appear on the unit display with large numbers
until the N number of samples is completed. When this happens an
