IAI America IA-T-XA (ANSI standard CE mark agreement) - Manual (Page 109)

14. Parameter Editing
Parameters can be changed according to the customer’s system.
When you change parameters, record the parameter descriptions.
Parameters after being written in flash ROM become valid when software is reset or the power is
turned on again.
Select the F1 (Edit) key on the Mode Selection
screen.
Select the F4 (Para) key on the Edit screen.
106