Chapter 1414-18T-14-29T-14-30T-14-31##102 [TX] Fallback is not possibleCause: The line condition is poor, and the other party cannot receive TCFcorrectly.Remedy: 1. Increase the transmission level so that the other party mayreceive TCF correctly.2. Adjust the NL equalizer so that the other party may receive TCFcorrectly.Cause: An echo has caused a malfunction.Remedy: 1. Using a manual call, press the Start button after hearing the 1stDIS from the other party.2. To prevent response to the 1st DIS from the other party, put arelatively long pause to the telephone number when registering anauto-dialing number.3. Ask the operator of the other party to provide echo remedy 1.4. Ask the operator of the other party to decrease the transmissionlevel so that the other party will not receive an echo.##103 [RX] EOL cannot be detected for 5 sec (15 sec if CBT)Cause: The line condition is poor, and the image signal cannot be receivedcorrectly.Remedy: 1. Ask the operator of the other party to increase the transmissionlevel so that the image signal may be received correctly.2. Ask the operator of the other party to decrease the transmissionstart speed.3. Adjust the NL equalizer so that the image signal may bereceived correctly.Cause: The machine malfunctioned because of an echo of CFR.Remedy: 1. Provide echo remedy 2.2. Decrease the transmission level so that an echo of transmittedCFR will not be received.##104 [TX] RTN or PIN has been receivedCause: The line condition is poor so that the other party cannotreceive the image signal correctly.
