Canon GP160F Service Manual page 420

CHAPTER 13 TROUBLESHOOTING
##0760 [TX] A significant signal can not be detected and the limit for number of protocol sig-
nal re-transmissions is exceeded after PPS-EOM output
Cause
• The line condition is poor and the other
party's machine can not receive PPS-EOM
properly.
• The line condition is poor and the signal
can not be received properly.
##0762 [TX] DCN received after PPS-EOM output
Cause
• The line condition is poor and PPS-EOM
can not be properly received.
• The stop button was pressed during com-
munications.
##0763 [TX] Limit for the number of protocol signal re-transmissions is exceeded or T5 time
limit (60 seconds) is exceeded after PPS-EOM output
Cause
• The other party's machine's page buffer is
full, or RNR was received after output of
PPS-EOM because the machine was in
use, and after RR output a significant signal
could not be properly received.
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Countermeasure
(1) Raise the modem output level in #2 MENU
parameter 007, so the other party's
machine can properly receive PPS-EOM.
(2) Adjust the NL equalizer in #2 MENU
parameter 005, so the other party's
machine can properly receive PPS-EOM.
(3) Add an echo protect tone to the V29
modem signal in #1 SSSW-SW03 Bit 1.
• Have the other party's machine's output
level raised so the signal can be received
properly.
Countermeasure
• Raise the modem output level in #2 MENU
parameter 007, so the other party's
machine can properly receive PPS-EOM.
• Resend.
Countermeasure
(1) Set ECM Tx to "OFF" in the user mode
data entry's Tx settings.
(2) After registering one-touch or coded dial-
ing in the user mode, lower Tx speed set-
ting using detailed settings.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)