WARNING 
This product is equipped with a 3-wire grounding type plug. Any 
interruption of the grounding connection can create an electric 
shock hazard. If you are unable to insert the plug into your wall 
plug receptacle, contact an electrician to perform the necessary 
alterations to assure that the green (green-yellow) wire is attached 
to earth ground.  
WARNING 
This product operates with voltages that can be lethal. Pushing 
objects of any kind into cabinet slots or holes, or spilling any 
liquid on the product, may touch hazardous voltage points or 
short out parts. 
WARNING 
When opening or removing covers observe the following 
precautions: 
•  Turn power OFF and unplug the unit from its power source 
•  Remove jewelry from hands and wrists 
•  Use insulated hand tools only 
•  Maintain grounding by wearing a wrist strap attached to 
instrument chassis. 
 
1.3  Conventions and Definitions 
 
This section provides a list of symbols and their definitions, and 
commonly used terms found in this manual. 
1.3.1  Definitions and Symbols 
The following are definitions of safety and general symbols used on 
equipment or in this manual. 
Section 2 – Modes of Operation      1-3