User’s Guide  iii
Safety Notes 
The following safety notes are used throughout this document. Familiarize yourself with 
each of these notes and its meaning before performing any of the procedures in this 
document. 
WARNING Warning denotes a hazard. It calls attention to a procedure 
which, if not correctly performed or adhered to, could result in 
injury or loss of life. Do not proceed beyond a warning note 
until the indicated conditions are fully understood and met.
CAUTION Caution denotes a hazard. It calls attention to a procedure that, if not 
correctly performed or adhered to, could result in damage to or 
destruction of the instrument. Do not proceed beyond a caution sign 
until the indicated conditions are fully understood and met.
Definitions
• Specifications describe the performance of parameters covered by the product warranty 
(temperature –0 to 55 °C, unless otherwise noted.)
• Typical describes additional product performance information that is not covered by the 
product warranty. It is performance beyond specification that 80% of the units exhibit 
with a 95% confidence level over the temperature range 20 to 30 °C. Typical 
performance does not include measurement uncertainty.
• Nominal values indicate expected performance or describe product performance that is 
useful in the application of the product, but is not covered by the product warranty.
• Characteristic Performance describes performance parameter that the product is 
expected to meet before it leaves the factory, but is not verified in the field and is not 
covered by the product warranty. A characteristic includes the same guard bands as a 
specification.