AT7120 Owner Manual Rev. 1.1 –March 2009 4/76
THIS OWNER’S MANUAL IS INTENDED AS A GENERAL GUIDE FOR TRAINED AND
QUALIFIED PERSONNEL WHO ARE AWARE OF THE DANGERS THAT ARE INHERENT IN
THE HANDLING AND OPERATION OF POTENTIALLY HAZARDOUS ELECTRICAL AND
ELECTRONIC CIRCUITS. IT IS NOT THE INTENT OF THIS MANUAL TO PROVIDE A
COMPLETE SET OF SAFETY INSTRUCTIONS OR PRECAUTIONS THAT SHOULD ALREADY
BE UNDERSTOOD BY TRAINED OR EXPERIENCED PERSONNEL IN USING THIS OR OTHER
TYPES OF ELECTRONIC EQUIPMENT.
THE INSTALLATION, OPERATION, AND MAINTENANCE OF THIS EQUIPMENT INVOLVE
RISKS TO PERSONNEL AND ALSO TO THE EQUIPMENT. LINEAR, INC. SHALL NOT BE
RESPONSIBLE FOR INJURY OR DAMAGE THAT IS THE RESULT OF IMPROPER
PROCEDURES OR USE BY PERSONS IMPROPERLY TRAINED OR LACKING THE
KNOWLEDGE TO PERFORM ASSOCIATED TASKS.
ALL LOCAL CODES FOR BUILDING, SAFETY, FIRE, OR RELATED STANDARDS MUST BE
OBSERVED. CONSULT LOCAL AUTHORITIES FOR THE STANDARDS FOR THE AREA OR
REGION WHERE THE EQUIPMENT WILL BE INSTALLED AND PUT IN USE.
WARNING!
AT ALL TIMES DISCONNECT AC/MAINS POWER BEFORE OPENING COVERS, DOORS,
ENCLOSURES, PANELS, OR PROTECTIVE SHIELDS THAT EXPOSE LIVE CIRCUITS. NEVER
PERFORM MAINTENANCE, MAKE ADJUSTMENTS, OR SERVICE THE EQUIPMENT WHEN
ALONE OR FATIGUED.
WARNING!
IF ELECTROLYTIC OR OIL FILLED CAPACITORS ARE UTILIZED IN THE EQUIPMENT AND
THE COMPONENT APPEARS LEAKY, OR IS BULGING, OR IF THE CASE OR COVERING OF
THE COMPONENT APPEARS DAMAGED OR DISTRESSED ALLOW SUFFICIENT TIME FOR
THE UNIT TO COOL and FULLY DISCHARGE BEFORE SERVICING. SERVICING HOT OR
LEAKY CAPACITORS CAN CAUSE A RUPTURE OF THE CASE AND POSSIBLE INJURY.
Returns and Exchanges
Equipment (Damaged or undamaged) should not be returned without written approval and a
Merchandise Return Authorization (MRA Number) from your Linear Sales representative or Linear
Customer Service. Special shipping instruction will be provided which will assure proper handling.
The circumstances and reasons for the return must be included in the request for return. Equipment that
is special or “custom” ordered may not be returnable. In situations where return or exchange is at the
request of the customer a restocking fee may be charged. All returns must be sent freight prepaid and
