Icom IC-756PRO Instruction Manual page 72

9
SET MODE
Miscellaneous (others) set mode
You can set the antenna connector selection to auto-
matic, manual or non-selection (when using 1 an-
tenna only).
When "Auto" is selected, the antenna switch is acti-
vated and the band memory memorizes the selected
antenna. See p. 45 for details.
When "Manual" is selected, the antenna switch is ac-
tivated and selects an antenna manually.
When "OFF" is selected, the antenna switch is not ac-
tivated and does not function. The [ANT1] connector
is always selected in this case.
This item selects the RTTY mark frequency. RTTY
mark frequency is toggled between 1275, 1615 and
2125 Hz.
This item adjusts the RTTY shift width. There are 3
selectable values: 170, 200 and 425 Hz.
This item selects the RTTY keying polarity. Normal or
reverse keying polarity can be selected.
When reverse polarity is selected, Mark and Space
are reversed.
- Normal : Key open/close = Mark/Space
- Reverse : Key open/close = Space/Mark
This item selects the USOS (UnShift On Space) func-
tion of the internal RTTY decoder.
See p. 41 for details.
70
(continued)
Antenna switch is activated and the
selection is automatically memorized.
(default)
Antenna switch is activated.
Antenna switch is deactivated and
[ANT1] is always selected.
2125 Hz RTTY mark
frequency (default)
170 Hz RTTY shift
frequency (default)
Normal polarity (default)
Decode as letter code
(default)
1275 Hz RTTY mark
frequency
425 Hz RTTY shift
frequency
Reverse polarity
Decode as character code