User guide

Vlo
This text field allows manual entry of the logic low voltage level and displays the
current value.
To modify the value, click inside the text field and either:
• Enter the desired value directly with the numeric keyboard.
• Use the knob by the numeric keyboard to fine-tune the value.
See “Understanding the Output Level Parameters” on page 126 for information
about how the Serial BERT modifies the output levels.
Vampt
This text field allows manual entry of the voltage amplitude and displays the current
value.
To modify the value, click inside the text field and either:
• Enter the desired value directly with the numeric keyboard.
• Use the knob by the numeric keyboard to fine-tune the value.
T I P
You can also adjust Data and Clock V
ampt
with the Data Amplitude and Clock
Amplitude knob on the front panel.
See “Understanding the Output Level Parameters” on page 126 for information
about how the Serial BERT modifies the output levels.
Delay
This text field allows manual entry of Data and Aux Data output delay and displays
the current value in picoseconds.
To modify the value, click inside the text field and either:
• Enter the desired value directly with the numeric keyboard.
• Use the knob by the numeric keyboard to fine-tune the value.
T I P
You can also adjust delay with the Data Out Delay knob on the front panel.
4 Setting up the Pattern Generator
136 Agilent J-BERT N4903B High-Performance Serial BERT