Safety Information
For your safety, read this manual thoroughly before operating your USB-Link™ unit.
Your USB-Link™ unit is intended for use by properly trained, skilled professional heavy-
duty technicians. The safety messages presented below and throughout this user’s manual
are reminders to the operator to exercise extreme care when using this test instrument.
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, we
cannot possibly anticipate or provide advice or safety messages to cover every situation. It
is the heavy-duty technician’s responsibility to be knowledgeable of the system being
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 vehicle or equipment being tested.
It is assumed the operator has a thorough understanding of vehicle systems before using
the USB-Link™ unit. Understanding of these system principles and operating theories is
necessary for competent, safe and accurate use of this instrument.
Before using the USB-Link™ unit, always refer to and follow safety messages and
applicable test procedures provided by the manufacturer of the vehicle or equipment being
tested. Use equipment only as described in this manual.
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 an icon. The signal word indicates the level of the hazard in a
situation.