0 = off, 1 = output 10 Hz signal on DAC1. The signal will be a square wave with peaks of 0 and 3.3V. Note that writing to DAC1 or enabling a stream out which is targeting DAC1 will disable this feature.

• Data type: UINT32  (type index = 1)
• Write-only
• T8:
  • Minimum firmware version: 1.0000
• T7:
  • Minimum firmware version: 1.0234