National Instruments NI 5401 ユーザーズマニュアル
Chapter 1
Generating Functions with the NI 5401
1-16
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Power-Up and Reset Conditions
When you power up your computer, the NI 5401 is in the following state:
•
The output is disabled and set to 0 V.
•
The trigger mode is set to continuous.
•
The trigger source is set to automatic (the software provides the
triggers).
triggers).
•
The digital filter is enabled.
•
Output attenuation remains unchanged from its previous setting.
•
The analog filter remains unchanged from its previous setting.
•
Output impedance remains unchanged from its previous setting.
When you reset the board using NI-FGEN or any other application
software, your NI 5401 is in the same state as shown at power up,
previously listed, with the following differences:
software, your NI 5401 is in the same state as shown at power up,
previously listed, with the following differences:
•
Output attenuation is set to 0 dB.
•
The analog filter is enabled.
•
Output impedance is set to 50
Ω.
•
The PLL reference source is set to internal tuning.
•
The SYNC duty cycle is set to 50%.