| Number of individual test points | 25 | 
| Maximum LED voltage drop | 3V | 
| Contact resistance adjustement | Yes, from 1Ω to 100Ω | 
| Contact switch detection times | 100ms typical (maximum 250ms) including communication delay via serial port | 
| Capacitive switch detection | Yes, accepts key capacitance from 1pF to 30pF | 
| Capacitive switch calibration time | 1s typical (max 3 seconds). Needed once after insertion of new membrane keypad. | 
| Capacitive switch detection times | 100ms typical (maximum 250ms) including communication delay via serial port |