Icom IC-746PRO Manual page 125

• The transceiver has a number of convenient functions for the RTTY
operation that can be accessed from the
– RTTY Filter
Hz and 1 kHz can be selected.
• When the RTTY filter is turned ON, the RTTY tuning meter can
be used.
– RTTY Decoder
(mark freq.: 2125 Hz, shift freq.: 170 Hz, 45 bps).
• An external terminal unit (TU) or terminal node connector (TNC)
is not necessary for receiving a Baudot signal.
– RTTY Set Mode
type, decode USOS function, etc.
RTTY Menu
This item sets the RTTY filter width. 250, 300, 350, 500
The transceiver has an RTTY decoder for Baudot
used to set the mark and shift frequencies, keying
RTTY menu.