Check-line MINI-MAX Operation Manual page 159

3) Use the UP, DOWN, LEFT, & RIGHT arrow keys to highlight the
appropriate alpha characters.
4) Press the ENTER key to select a character and advance to the next field
of the Group Note.
5) Use the CLR key to backspace if necessary.
6) Repeat steps 3 - 5 until the Group Note is completed.
7) Press the OK key to save the Group Note and return to the Group List
Items menu, or ESC to cancel entering the Group Note.
Selecting the Number of Bolts in the Group
Note: A group can contain up to 250 bolts. There must be at least 1 bolt in
a group.
MINI-MAX Ultrasonic Bolt Tension Monitor