
Eye-Diagram Analyzer Reference
Controlling the Display
To learn more about these files and about creating and applying user-correc-
tions, refer to “Tutorial 5: Use Software Filters” on page 2-15.
1Place the  70874A eye-diagram analyzer memory card in the front-panel card 
slot. 
The  70874A eye-diagram analyzer must already be loaded into memory. 
2Display the eye-diagram analyzer’s menus by pressing: 
USER, Setup, diagram, EYELINE or PATTERN 
User corrections can not be applied in eye mode. 
3Display a catalog of the files contained on the memory card by pressing: 
Mass Storage  
Rotate the front-panel knob to highlight the desired file. 
User correction files are identified by the prefix a_. 
User-Correction Files
File Name File Data
a_bt248832 4th order Bessel- Thomson filter for 2.48832 Gbit/sec transmission.
a_bt_62208 4th order Bessel- Thomson filter for 622.08 Mbit/sec transmission.
a_bt_15552 4th order Bessel- Thomson filter for 155.52 Mbit/sec transmission.