LED Indicators (PXI Only)
The NI PXI-655x has two LED indicators on the front panel, labeled ACCESS and ACTIVE. The following tables describe what each LED color indicates.
ACTIVE LED
| Color | Indications |
|---|---|
| Off | Device not armed, not triggered, or experiencing an error. |
| Amber | Device armed and awaiting Start trigger. If performing a dynamic acquisition operation, the device may be acquiring pretrigger samples. |
| Green | Device received Start trigger. |
| Red | Error condition. |
ACCESS LED
| Color | Indications |
|---|---|
| Off | Device not ready. |
| Amber | Device being accessed by software. |
| Green | Device ready to be programmed. |
| Red | Running the niHSDIO Self Test VI or calling the niHSDIO_self_test function produced a failure. |