Manual Icom IC-756PRO (page 72 of 84) (English)

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SET MODE

■ Miscellaneous (others) set mode (continued)

RTTY Mark Frequency

This item selects the RTTY mark frequency. RTTY

mark frequency is toggled between 1275, 1615 and

2125 Hz.

22112255

2125 Hz RTTY mark

frequency (default)

11227755

1275 Hz RTTY mark

frequency

RTTY Shift Width

This item adjusts the RTTY shift width. There are 3

selectable values: 170, 200 and 425 Hz.

117700

170 Hz RTTY shift

frequency (default)

442255

425 Hz RTTY shift

frequency

RTTY Keying Polarity

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

NNOORRMMAALL

Normal polarity (default)

RREEVVEERRSSEE

Reverse polarity

RTTY Decode USOS

This item selects the USOS (UnShift On Space) func-

tion of the internal RTTY decoder.

See p. 41 for details.

OONN

Decode as letter code

(default)

OOFFFF

Decode as character code

[ANT] Switch

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.

AAuuttoo

Antenna switch is activated and the

selection is automatically memorized.

(default)

MMaannuuaall

Antenna switch is activated.

OOFFFF

Antenna switch is deactivated and

[ANT1] is always selected.

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Icom IC-756PRO Manual

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