Equipment information

Hewlett Packard M1772A Monitoring System
Manufacturer
Hewlett Packard
Model M1772A
Date 1998
Category Medical and Biomedical Equipment
Group Monitoring System
Description Cardiograph
Information
                                     PageWriter 100, 200, 200i, and 300pi Series Cardiographs

The M1770A PageWriter 200i/300pi is Hewlett-Packard’s
economical, interpretive cardiograph. The M1771A PageWriter
200 is the economical, non-interpretive cardiograph. The
M1772A PageWriter 100 is the most economical,
non-interpretive cardiograph. The cardiograph contains the
user controls, the printer, and all the processing
circuitry. All models use the same enclosure. The M1705B
cart is designed for these cardiographs. 
Option #A05 provides transmission and storage capability for
the M1770A and M1771A. The StressWriter option provides
capability for communication between a PageWriter
100/200/200i/300pi cardiograph and a StressWriter system.
The PageWriter 100, 200, and 300 family of cardiographs
print ECGs in Auto and Manual formats. All PageWriter
cardiographs use a continuous feed, high-resolution,
thermal array printer. This produces electrocardiograms on
standard- size paper that can be included in patient records
without cutting or mounting. ECG reports clearly show the
ECG waveforms. The PageWriter 200 and 300 series
cardiographs also annotate records with patient information
and ECG measurements. The PageWriter 200i and 300pi also
includes ECG interpretation for both adult and pediatric
patients.
From a service standpoint, the PageWriter 100, 200, and 300
family of cardiographs are similar except for two major
hardware differences: • The M1770A has additional firmware
for ECG measurements and interpretation.
• The M1771A has additional firmware for ECG measurements.
• The M1772A keypanel does not have an LCD preview display
and uses operational keys instead of alphanumeric keys for
user input. 
All other model differences are found in the cardiograph’s
software. The PageWriter 100, 200, and 300 family of
cardiographs is designed for low-cost, longterm reliability.
The modular design makes extensive use of VLSI and gate
array technology, resulting in a minimum number of
subassemblies. The modular approach means less down-time for
the user, since replacing subassemblies allows faster field
repairs. The internal self-test efficiently identifies
faulty subassemblies, further speeding the repair process.

M1705B Cart
The optional M1705B Cart provides mobility for the
PageWriter 100, 200, and 300 family of cardiographs. The
large wheels make the cart easy to move, yet steady. Slots
in the cardiograph’s feet and a thumbscrew secure the
cardiograph to the cart rails. The tray directly below the
cardiograph provides storage for the user’s guide. Storage
for the power cable is built in. Other built-in cable
retainers hold the patient data cable out of the way.
Two compartmented trays provide storage for spare patient
electrodes and patient cables, additional thermal paper, and
consumable supplies.

These manuals are available for the above equipment:

Manual Type Service Manual HewlettPackard-10712-Manual-Page-1-Picture
Pages 164
Size 1.00 Mbytes (1051453 Bytes)
Language english
Revision 3
Manual-ID/Number M1770-90900
Date 01 October 1998
Quality Scanned document, all readable.
Upload date
MD5 e53f86b42644ea24b4a7769aeb462afe
Downloads 66 since 02 April 2018
Information
This manual contains service information for the
Hewlett-Packard M1770A pageWriter
300pi, PageWriter 200i, M1771A PageWriter 200, and M1772A
PageWriter 100
cardiographs. The information and procedures in this manual
apply to all models unless
otherwise specified.
This manual is organized as follows:
• Chapter 1 — Introduction. Contains a general description
of the cardiographs, lists of
technical specifications, and lists of accessories and options.
• Chapter 2 — Performance Verification and Maintenance.
Explains how to check the
cardiograph’s performance using built-in self-tests, and
lists maintenance procedures and
safety requirements that apply to the cardiograph.
• Chapter 3 — Theory of Operation. Provides an overview of
how the cardiograph
works and describes the operation of the major subassemblies.
• Chapter 4 — Troubleshooting. Contains procedures and error
codes to aid the service
person in localizing faults to a replaceable subassembly.
• Chapter 5 — Removal and Replacement. Contains procedures
for removing and
replacing each of the cardiograph’s major subassemblies.
• Chapter 6 — Parts List. Lists part numbers for the
cardiograph’s replaceable parts, and
provides assembly drawings.
• Appendix A — Connector Pin Assignments. Identifies and
defines the signals
assigned to the subassembly interconnections.
• Index.
HewlettPackard-10712-Manual-Page-1-Picture


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