
Getting Started
Steps for Setting Up Eye-Diagram Analysis
4If the attenuator connected to the  70820A’s RF INPUT 2 connector is not 6 
dB, press: 
Trg,Cal, CH2 EXT ATTEN, then enter the value of the attenuator 
Front-Panel Cable Connections
Cables: 
SMA to SMA (Channel 1)  p/n 8120-4948
SMA to SMA (Channel 2) p/n 8120-4948 
SMB to SMB (10 MHz Reference) p/n 8120-5025 
Miscellaneous: 
3.5 mm (f) to 2.4 mm (f) (two) p/n 1250-2277
6 dB attenuator   8493C