Operating Instructions
3-6
SF150T
3-5 LCD Display
3-5-1 During communication
In User Mode, the LCD shows the remote
machine's TTI number, communication type, (send
or receive), and page number.
In Service Mode, the display shows the
communication type, abbreviations for the CCITT
Group 3 T.30 protocol as they occur, the protocol
type (G3), coding type (MH), baud rate in kbps,
and line time.
3-5-2 If a communication problem
occurs:
In User Mode, the display shows one of the
following reasons: CAM JAM, COMM. ERROR,
CHECK DOCUMENT.
In Service Mode, the display shows all error
messages available in User Mode, as well as
additional error messages not available in User
Mode.
Error messages shown only in Service Mode are:
PRE-MESSAGE ERROR:
problem occurred during phase B of session
MESSAGE ERROR:
problem occurred during phase C of session
POST-MESSAGE ERROR:
problem occurred during phase D of session
LINE ERROR:
machine cannot connect or has lost connection
with the remote machine
Additional messages, not shown above, will
appear in the TX/RX journals printed in Service
Mode.