Panasonic KX-FT21BX, Service Manual

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KX-FT21LA
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6
The unit can copy, but the transmission and reception image is incorrect.
(Long distance or international communication operation)
This depends widely 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)
Summary:
Long distance and international communication operation
SYMPTOM
COUNTERMEASURE
1. If possible, manual transmission should be made from
the transmission side.
2. If possible, two pauses should be inserted at the end of
the auto dial number on the transmission side.
3. If possible, the Function Selector Switch should be
switched to FAX.
Does not receive in the automatic mode.
Does not transmit.
1. Confirm the international line mode is ON.
(Service mode: code No. 521)
2. Enable the International DIS detection setting.
(Service mode: code No. 594)
Does not receive.
1. Set the time setting between the CED signal and the
DIS signal to 500 msec. (Service mode : code No. 593)
2. Reduce te RCV sensitivity.
(Service mode : code No. 598)