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ЕЗЗТ.Е2501.001.21.0=.Ое
System SIRECUST 1280/1281
Bedside Monitor - Service Manual
product must be operated only in strict
conformance
with
local fire prevention
regulations.
1.3.
SIRECUST 1280/1281
Monitors
1.3.1.
General Overview
SIRECUST 1280 and 1281 units are eight-
channel bedside patient monitors having
12" screens that incorporate two different
display
technigues
for
presentation
of
waveforms
and
alphanumerics.
An XY-Z
display
function
draws
waveforms
as
continuous
lines,
while
a
conventional
raster
mode
produces
letters,
symbols,
and graphics. Through the use of indiv-
idual
cartridges
designed
to
convert
human
physiological
vital
signs
into
electrical signals, the monitors
acquire,
process,
display,
store
and
transmit
a
variety of waveforms,
measured
values
and
derived
patient parameters.
Up to
eight physiological waveforms and twenty-
one
calculated
parameters
can
be
displayed simultaneously.
1.3.2.
Alarm Handling
The monitor provides audible and visual
alarm
indications.
An
alarm
condition
exists
whenever
a parameter
value
is
outside a defined range, and for specific
technical
situations
such
as
loss
of
electrode
contact
with
a patient
or the
occurrence
of
artifact
in
a
monitored
signal. The three audible alarm levels are:
Advisory
- low frequency tone
Serious
- high
frequency
tone
Life-threatening
- distinctive two tone
In
a
multi-bedside
environment,
the
variable alarm tone makes it possible to
differentiate
among
the
different
alarm
grades. Two different keys are available
for
handling
audible
alarms:
one
key
silences an individual alarm and another
suspends all alarms.
1.3.3.
Monitor Control
A state-of-the-art TouchScreen User Inter- .
face with menu-driven
function selection
controls
the
many
functions
of
the
monitor.
At
the
bedside,
operating
commands
are
entered
through
the
TouchScreen in the form of specific KEY
sequences.
The
TouchScreen
contains
both
fixed
keys and program keys. Fixed keys are
defined for essential functions that must
always
be
quickly
accessible.
Specific
program
keys
appear
on
the
screen
depending
on the function involved. All
functions are menu driven. Monitor opera-
tions
can
also
be
controlled
from
a
central station if the monitor is connected
into a SIRENET network.
Refer to the System SIRECUST 1280/1281
Bedside Patient Vital Signs Monitor Oper-
ating instructions for the installed software
version, Order No. A91004-M3331-L079-
XX-7600,
for
a detailed
description
of
monitor operations and key seguences.
Monochrome
vs Color
Displays
1.3.4.
SIRECUST 1280 and 1281 monitors differ
only in the color capability for displaying
waveforms.
The "1" in 1281 designates a
multi-color
display
capability.
A
liquid
crystal shutter in front of the monochrome
CRT, enables SIRECUST
1281
monitors
to display waveforms in four (4) colors --
red,
green,
yellow
and
orange.
SIRECUST
1280
monitors
display
waveforms only in yellow-green.
1.3.5,
The SIRENET Network
As part of a centralized patient monitoring
system,
SIRECUST
1280/1281
bedside
units
can
be
connected
to
a
central
station and SIREDOC recorders via a high
speed communication link, the SIRENET
network.
Within
the
SIRENET
network,
each device is interconnected to all other
devices in the network.
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