Correct
connections
for
servicing
EIA-232
models
Before
you
begin,
ensure
your
connections
are
as
follows:
v
EIA-232
touch
connects
to
COM
1
v
EIA-232
MSR
connects
to
COM
2
v
PS/2
pigtail
is
attached
to
a
keyboard
The
service
software
can
correctly
evaluate
your
4820
display
only
with
these
connections.
Touch
screen
controller
information
The
touch
screen
controller
information
window
provides
information
about
the
type,
firmware
version,
and
status
of
your
touch
screen.
Locate
the
controller
by
selecting
the
Hardware
tab
from
the
3M
TouchWare
software.
To
start
the
application,
select
,
then:
1.
Use
the
tabs
within
the
3M
TouchWare
application
for
determining
the
status
of
your
touch
display
and
to
assist
you
with
troubleshooting
touch
problems.
You
must
select
EIA-232
or
USB
when
installing
the
touch
driver
and
application.
Update
November
2005
70
4820
Planning,
Installation
and
Service
Guide
|
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Summary of Contents for 4820
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