Cooper Instruments & Systems DFI INFINITY B Ultra High Performance Digital Force Indicator - Manual (Page 17)

Figure 5-4. Signal Input Board
Figure 5-5. Main Board
S3A
S3B (not installed)
S3C Unlocks Pushbutton Programming
Factory Calibration only, do not install.
Unlocks Lockout menus
S4A (installed) + solder-switch B
S4A (not installed) + solder-switch A Selects 10 Vdc Sensor Excitation (default)
Selects 24 Vdc Sensor Excitation
Table 5-1. Main Board Jumper Selections
CF 156 12 M2544/N/0505