User manual
1-4 Getting Started Model 6220/6221 User’s Manual
Return to Section 1 topics
to the shipping agent immediately. Save the original packing carton for possible 
future shipment. Before removing the Model 622x from the bag, observe the fol-
lowing handling precautions.
Handling precautions
• Always grasp the Model 622x by the covers.
• After removing the Model 622x from its anti-static bag, inspect it for any 
obvious signs of physical damage. Report any such damage to the shipping 
agent immediately.
• When the Model 622x is not installed and connected, keep the unit in its 
anti-static bag and store it in the original packing carton.
Package content
The following items are included with every Model 622x order:
• Model 622x current source with line cord.
• Protective triax Shield/Cap (CAP-28-1).
• 237-ALG-2 Triax cable terminated with alligator clips on one end.
• Model 8501 Trigger Link cable.
• CA-351 null-modem serial cable.
• CA-180-3A Ethernet cross-over cable (Model 6221 only).
• Accessories as ordered.
• Certificate of calibration.
• Model 622x User’s Manual (P/N 622x-900-00).
• Product Information CD-ROM that contains PDFs of the User’s and Refer-
ence Manuals. 
Options and accessories
The various options and accessories that are available from Keithley for the Model 
622x are listed and explained in Section 1of the Reference Manual. 
Front and rear panel familiarization
Front panel summaries
The front panels of the Models 6220 and 6221 are shown in Figure 1-1. The 
descriptions of the front panel controls follow Figure 1-1. 
Many of the keys that are used to select a function or operation are also used for 
configuration by first pressing the CONFIG key. For example, to configure a 
sweep, press CONFIG and then SWP.










