Hewlett Packard M1771A Monitoring System
PageWriter 100, 200, 200i, and 300pi Series Cardiographs
PageWriter 200i/300pi is Hewlett-Packard’s
economical, interpretive cardiograph. The M1771A
200 is the economical, non-interpretive cardiograph. The
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 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
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
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.
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