ISHIDA UNI-7 Service Manual page 160

Chapter 8 ADJUSTMENT MODE
Repeat steps 3 through 5 above several times until the A/D display field shows "95000",
6.
and the SPAN A/D display field shows "75000".
To memorize the adjusted span value, press the Memory button located on the main
7.
board inside of the machine with a nonconductive and thin material such a wooden stick
through the hole on the upper case.
8-18 UNI-7 Service Manual