Introduction - HP PageWriter XL M1705B Service Manual

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M1756A Direct Digital ECG Fax
Introduction
The M1756A option lets the XLi transmit high-quality ECGs to
any CCITT Group 3 fax machine, or to any XLi equipped with
direct digital fax. The M1756A also enables the XLi to receive fax
transmissions from any Group 3 fax machine. Fax capability is ideal
for transmitting ECGs to sites that do not have a cardiograph or
ECG management system.
Note ,I
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Fax modem transmission requires the A.02.XX and higher (M1755A)
software. The FAX Modem also functions in place of the M1706A
Hayes Modem for standard ECG transmissions.
Typical fax machines send ECGs by optically scanning a paper
copy of the ECG. This often produces low-quality faxes not always
adequate for making diagnoses. In contrast, the M175GA transmits
the electronic ECG directly from the XLi, without scanning a paper
copy. This produces faxes of exceptional quality.
The M175GA fax option can be used by service personnel to receive
faxed support information directly on the XLi.
The M175GA option consists of a Worldport 249GTM Fax/Data
modem and a software disk. A g-volt battery allows up to 3 hours of
transmission while the XLi is on battery power. The fax modem can
also be powered from the cardiograph.
M1756A Direct Digital ECG Fax C-l