National Instruments 5411 - Manual (Page 25)

Chapter 3 Signal Connections
DAQArb 5411 User Manual 3-8 © National Instruments Corporation
Power-Up and Reset Conditions
When you power-up your computer, the DAQArb 5411 is in the
following state:
• Output is disabled and set to 0 V
• Sample clock is set to 40 MHz
• Trigger mode is set to continuous
• Trigger source is set to automatic (the software provides the
triggers)
• Digital filter is enabled
• Output attenuation remains unchanged from previous setting
• Analog filter remains unchanged from previous setting
• Output impedance remains unchanged from previous setting
• Digital pattern generation is disabled
When you reset the board using NI-DAQ or any application software
calling NI-DAQ, your DAQArb is in the following state:
• Output is disabled and set to 0 V
• Sample clock is set to 40 MHz
• Trigger mode is set to continuous
• Trigger source is set to automatic (the software provides the
triggers)
• Digital filter is enabled
• Output attenuation is set to 0 dB
• Analog filter is enabled
• Output impedance is set to 50
Ω
• Digital pattern generation is disabled
• PLL reference frequency is set to 20 MHz
• PLL reference source is set to internal tuning
• RTSI clock source is disabled
• SYNC duty cycle is set to 50%