FaroArm
®
Manual
January 2009
54
Chapter 1: Introduction to the FaroArm
®
the kinematics and constantly adapts the output to changing
environmental temperature.
However, because different components heat or cool at different rates,
the device is expected to reach a steady state temperature within a ±3
degree (Celsius) bandwidth for five minutes before measurements can
be taken. For convenience, the electronics system is programmed to
generate an error message when the temperature exceeds a ±3 degree
bandwidth. There is also a built-in routine for the establishment of
temperature stability; whereby, the device monitors itself for five
minutes and indicates to the user that it is ready for use.
Electrostatic Discharge (ESD)
Electrostatic Discharge (ESD) refers to pulses generated by the
discharge of loaded objects and/or people. The charge usually comes
from friction between materials, at least one of which is a nonconductor.
• Although these units are protected against damage by ESD, extra care
and proper ESD procedures still must be observed and followed.
If an error occurs because of ESD, check the Error Message displayed
on the screen and follow the steps below to resume normal operation. If
you experience anything out of normal operation:
1 Turn off the FaroArm.
2 Wait for at least five seconds before powering the unit on.
This should restore communication with the host computer.
ESD Best Practices
The following is a list of equipment and best practices to avoid ESD
events.
Wrist Straps - Wrist straps fit snugly around a person’s wrist and are
connected to an ESD ground point (never earth ground) or to a grounded
mat. A poor connection with a wrist strap is associated with a loose fit
or dry skin (use an ESD lotion for dry skin). A wrist strap may be used if
an approved ESD smock is not available. However, wrist straps do not
shield ESD sensitive components from damage induced by the wearer’s
clothing.
Heel Straps - Heel straps should be placed so that they make contact
with a person’s ankle. Static charges are dissipated through the floor by
08M46E00_FaroArmUSB.book Page 54 Tuesday, February 17, 2009 1:42 PM
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