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Safety Notice
For your safety, read this manual thoroughly before operating
DDuuaall
33441122
.
DDuuaall
33441122
is intended for use by properly trained, skilled
professional automotive technicians. The safety messages
presented below and throughout this user's manual are
reminders to the operator to exercise care when using this unit.
There are many variations in procedures, techniques, tools, and
parts for servicing vehicles, as well as in the skill of the
individual doing the work. Because of the vast number of test
applications and variations in the products that can be tested
with this instrument,
SSuunn
cannot possibly anticipate or provide
advice or safety messages to cover every situation. It is the
automotive technician's responsibility to be knowledgeable of
the system that is to be tested. It is essential to use proper
service methods and test procedures and to perform tests in an
appropriate and acceptable manner that does not endanger
your safety, the safety of others in the work area, or the vehicle
or equipment being tested.
It is assumed that the operator has a thorough understanding of
vehicle air conditioning systems before using
DDuuaall
33441122
. This
understanding of principles and operating theories is necessary
for competent, safe and accurate use of this instrument.
Before using
DDuuaall
33441122
, always refer to and follow safety
messages and applicable test procedures provided by the
manufacturer of the vehicle or equipment being tested.
Read All Instructions
Read, understand and follow all safety messages and
instructions in this manual and on the test equipment. Safety
messages in this section of the manual contain a signal word
with a three-part message and, in some instances, an icon.
I
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