Panasonic KX-FT21BX Service Manual page 65

2 Sometimes there is a transmit problem.
TX Problem
Is the document pre-fed?
YES
Is TX started ?
(Does it start feeding?)
YES
The document goes through.
Confirm if the sent image
on the RX side has many
errors?
Change the "596: Transmit
level set" from -10 dBm
to -12 dBm or some value.
OK
Change the "717: Transmit
speed select " to
7200, 4800 or 2400 bps.
Transmit Error Message on LCD
NO
NO
Ask the other party to
change the RX equalizer
& increase the TX level.
NG
Change the "596: Transmit
NG
level set" from -10 dBm to
-15 dBm or some value.
Ask the RX party to increase
the RX error line value
parameter.
(Not available.)
Is auto dial used?
Was the START key
pressed immediately
after dialing?
Change the "596:
Transmit level set"
from -10 dBm to
-15 dBm or some
value.
OK
Check the current TX level.
Change the "594: Overseas
DIS detection" to "Detect
at the 2nd time".
Confirm if "592: CNG TX
select" is set to "ALL".
Ask the other party to
increase the TX level.
- 39 -
KX-FT21LA
YES
NO
NO
YES
Check the other party's
machine. (Out of paper,
Auto answer off, etc.)