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Valleylab CUSA EXcel-8 - Display Board; Fundamentals of Operation; General Description

Valleylab CUSA EXcel-8
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Display
Board
Display
Board
General
Description
The
display
board
contains
the
user
information
displays
and
user
input
buttons
for
the
unit.
User
input
buttons
control
the
following
settings
and
functions:
e
Settings:
4
Amplitude
4
Aspiration
4
Irrigation
4
TISSUE
Select.
e
Functions:
4
Status
(run
or
standby)
4
Lap
4
Test
4
Prime.
The
display
board
also
includes
four
fault
indicators
(alerts):
+
Vibration
*
Footswitch
+
Handpiece
*
Cooling
water.
The
PCB
is
a
single,
four-layer
circuit
board.
It
includes
both
through-hole
and
surface-mount
parts
due
to
space
constraints
on
the
board
and
the
quantity
of
parts.
The
buttons
and
electronics
provide
bi-directional
data
communication
with
the
machine
control
board
via
a
50-pin
ribbon
cable.
Fundamentals
of
Operation
The
display
board,
the
fundamental
user interface
for
the
system,
both
receives
and
displays
information
to
the
user.
Figure
7-1
shows
the
display
organization.
CUSA
EXcel-8
System
Service
Man

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