Panasonic KX-FC971CX-S Service Manual page 77

Fig. c (Countermeasure by Changing the Interval Between
CED and DIS)
<TX side signal>
2nd / 3rd DCS / Training
2nd / 3rd EOP / EOM / MPS
delayed DCS
7.7.5.1.6. The unit can copy, but the transmission and reception image are incorrect
(Long distance or international communication operation)
This symptom highly depends on the transmission and reception capability of the other FAX unit and the line conditions.
The countermeasures for this unit are shown below.
Transmission Operation:
Set the transmitting speed to 4800BPS (service mode: code No. 717) or select the overseas mode.
Reception Operation:
If 80% or more of the reception is incorrect, set the receiving speed to 4800BPS. (Service mode: code No. 718)
· Refer to SERVICE FUNCTION TABLE(P.48).
<RX side signal>
& delayed CFR / FTT
& delayed MCF / PIP / PIN / RTP / RTN
& 2nd / 3rd / --- DIS
(Fig. e)
77
Fig. d (C3ountemeasure by Ignoring the 1st DIS)
<Countermeasure>
at TX side
at TX side
at RX side
KX-FC971CX-S / KX-FGA521CX-S