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PCMCIA Card Modem
Appendix A Modem Interface Module 163
If transmission problems occur, the fetal monitor automatically attempts to resend the
remaining trace (up to three times). If these retries fail, and data transmission stops, you will
see the error message ERR77 and hear a triple beep tone (beep, beep, beep!). The fetal
monitor will make no more attempts to resend data. Acknowledge the error message by
scanning the barcode Display Memory or by pressing a key, such as . You can try to
send the remaining trace at a later time. If this problem persists, refer to “Troubleshooting
and Error Messages” on page 165.
If the barcode Transmit Data is scanned and the transmission of the stored trace is
unsuccessful:
1. The error message Err 77 is displayed and a triple tone (beep, beep, beep!) is
produced. Acknowledge the error message by scanning the barcode Display Memory or
by pressing a key, such as .
2. The error message Err 77 clears and two (three in the case of the Series 50 A Dual
Ultrasound model) decimal dots are permanently displayed, indicating that fetal trace
data is still stored in the memory.
When fetal trace data is sent to the receiver, it is sent in data-blocks (or packages). If a
package is received successfully, the next package is sent - and so on until all data has
been received successfully. If transmission is interrupted, scan the barcode Transmit
Data to start the transmission process again. The system remembers the last package
that was received successfully and continues with the next package.
If the barcode Transmit Data is scanned and no fetal trace is stored in memory, 0 is briefly
displayed. Since there is no data stored, no transmission takes place.
PCMCIA Card Modem
The modem interface module accepts PCMCIA card modems only. To fit the PCMCIA
card modem follow the manufacturer's recommendations. An Err 70 error message
accompanied by three tones (beep, beep, beep!) if:
The modem is defective.
The modem is installed incorrectly.
The modem is not compatible (not a model approved by Philips).
The interface board is faulty.
The PCMCIA card modem is not supplied by Philips. If it is found to be faulty, contact the
card's supplier.
Note— Only use PCMCIA card modems approved by Philips.