Safety
Please take a moment to review these safety precautions. They are provided 
for your protection and to prevent damage to the oscilloscope. This safety 
information applies to all operators.
Symbols and Terms
These two terms appear in manuals:
^cAm^fT]  statements identify conditions or practices that could result in
J  ■ vw v w w w v w V * *   J  *
damage to the equipment or other property.
m  I warning | statements identify conditions or practices that could result in 
personal injury or loss of life.
These two terms appear on equipment:
■  CAUTION indicates a personal injury hazard not immediately accessible 
as one reads the marking, or a hazard to property including the equip
ment itself.
■  DANGER indicates a personal injury hazard immediately accessible as 
one reads the marking.
This symbol appears in manuals:
®
Static-Sensitive Devices
These symbols appear on equipment:
*
DANGER 
High Voltage
Protective 
ground  (earth) 
terminal
A
ATTENTION 
Refer to 
manual
2221A User Manual
1-1