SAFETY SUMMARY
The following general safety precautions must be observed during all phases of operation, service and repair of this instrument. Failure to comply with these precautions, or with specific warnings elsewhere in these instructions violates safety standards of design manufacture and intended use of the instrument. Lexicon assumes no liability for the customer's failure to comply with these requirements.
GROUND THE INSTRUMENT
To minimize shock hazard the instrument chassis and cabi- net must be connected to an electrical ground. The instru-
General definitions of safety symbols used on equipment or in manuals.
ment is equipped with a
DO NOT OPERATE IN AN EXPLOSIVE
ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes. Operation of any electrical instrument in such an environment constitutes a definite safety hazard.
KEEP AWAY FROM LIVE CIRCUITS
Operating personnel must not remove instrument covers. Component replacement and internal adjustments must be made by qualified maintenance personnel. Do not replace components with power cable connected. Under certain conditions, dangerous voltages may exist even with the power cable removed. To avoid injuries, always disconnect power and discharge circuits before touching them.
DO NOT SERVICE OR ADJUST ALONE
Do not attempt internal service or adjustment unless another person, capable of rendering first aid and resuscitation, is present.
DO NOT SUBSTITUTE PARTS OR MODIFY
INSTRUMENT
WARNING 
CAUTION
NOTE:
Instruction manual symbol: the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect against damage to the instrument.
Indicates dangerous voltage. (Terminals fed from the interior by voltage exceed- ing 1000 volts must be so marked.)
The WARNING sign denotes a hazard. It calls attention to a procedure, practice, condition or the like which, if not correctly performed or adhered to, could result in injury or death to personnel.
The CAUTION sign denotes a hazard. It calls attention to an operating procedure, practice, condition or the like which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the product.
The NOTE sign denotes important infor- mation. It calls attention to procedure, practice, condition or the like which is essential to highlight.
Because of the danger of introducing additional hazards, do not install substitute parts or perform any unauthorized modification to the instrument.
DANGEROUS PROCEDURE WARNINGS
Warnings, such as the example below, precede potentially dangerous procedures throughout this manual. Instructions contained in the warnings must be followed.
WARNING
Dangerous voltages, capable of causing death, are pres- ent in this instrument. Use extreme caution when han- dling, testing and adjusting.
SAFETY SYMBOLS
CAUTION
Electrostatic Discharge (ESD) Precautions
The following practices minimize possible damage to ICs resulting from electrostatic discharge or improper inser- tion.
•Keep parts in original containers until ready for use.
•Avoid having plastic, vinyl or styrofoam in the work area.
•. Wear an
•Discharge personal static before handling devices.
•Remove and insert boards with care.
•When removing boards, handle only by
•Minimize handling of ICs.
•. Handle each IC by its body.
•Do not slide ICs or boards over any surface.
•Insert ICs with the proper orientation, and watch for bent pins on ICs.
•Use
*To make a