ICOM ic-756pro ユーザーズマニュアル

RECEIVE AND TRANSMIT

■

RTTY decoder

The transceiver has an RTTY decoder for Baudot
(mark freq.: 2125 Hz, shift freq.: 170 Hz, 45 bps).

An external terminal unit (TU) or terminal node con-
troller (TNC) is not necessary for receiving a Baudot
signal.

Push [EXIT] one or more times to close a multi-
function screen, if necessary.

Push [CW/RTTY] once or twice to select RTTY
mode.

Push [(F-2)DECODE] to turn the RTTY decoder
ON.

• RTTY decoder screen appears.

If the RTTY filter is turned OFF, push [RTTY FIL]
to turn the function ON.

• The RTTY decoder does not function when the RTTY

filter is turned OFF.

Push [(F-1)HOLD] to freeze the current screen.

• “HOLD” appears while the function is in use.

Push [(F-5)WIDE] to toggle the normal or wide
screen space.

Push [(F-2)CLR] for 2 sec. to clear the displayed
characters.

Push [EXIT] to exit the RTTY decoder screen.

• Setting the decoder threshold level

Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.

Call up the RTTY decoder screen as described at
left.

Push [(F-4)ADJ] to select the threshold level set-
ting condition.

Rotate the tuning dial to adjust the RTTY decoder
threshold level.

• Push [(F-3)DEF] to select the default condition.

Push [EXIT] to return to the RTTY decoder screen.

The UnShift On Space (USOS) function and new

line code can be set in the miscellaneous (others)
set mode. (pgs. 70, 71)

DEF

WIDE

ADJ

1/4

1/4
OFF

OFF

AGC

AGC
MID

MID

RTTY

FIL

THRESHOLD

ADJ

****

**** RTTY

RTTY Decode

Decode Monitor

Monitor ****

****

45bps

45bps BAUDOT

BAUDOT

Mark=2125,

Mark=2125, Shift=170

Shift=170

UnShift

UnShift On

On Space

Space support

support (SET-OTHERS)

(SET-OTHERS)

New

New Line

Line Code

Code selectable

selectable (SET-OTHERS)

(SET-OTHERS)

If RTTY-FIL

RTTY-FIL is

is OFF,

OFF, Please

Please turn

turn ON.

ON.

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RTTY DECODE

ANT

METER

P.AMP

ATT

ATT
OFF

OFF

VOX

VOX
OFF

OFF

COMP

OFF

WIDE

HOLD

CLR

ADJ

WIDE

AGC

AGC
MID

MID

SFT

qw:pp

350

RTTY DECODE

V F O

qr≥qot≥pp

14.100.00

R T T Y

R T T Y FIL

FIL2

R T T Y

R T T Y FIL

FIL2

T X

****

**** RTTY

RTTY Decode

Decode Monitor

Monitor ****

****

45bps

45bps BAUDOT

BAUDOT

Mark=2125,

Mark=2125, Shift=170

Shift=170

UnShift

UnShift On

On Space

Space support

support (SET-OTHERS)

(SET-OTHERS)

New

New Line

Line Code

Code selectable

selectable (SET-OTHERS)

(SET-OTHERS)

If RTTY-FIL

RTTY-FIL is

is OFF,

OFF, Please

Please turn

turn ON.

ON.

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--------------------------------------------
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN

CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN

CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN

THRESHOLD

HOLD

CLR

WIDE

ADJ

1/4

1/4
OFF

OFF

AGC

AGC
MID

MID

RTTY

FIL

****

**** RTTY

RTTY Decode

Decode Monitor

Monitor ****

****

45bps

45bps BAUDOT

BAUDOT

Mark=2125,

Mark=2125, Shift=170

Shift=170

UnShift

UnShift On

On Space

Space support

support (SET-OTHERS)

(SET-OTHERS)

New

New Line

Line Code

Code selectable

selectable (SET-OTHERS)

(SET-OTHERS)

If RTTY-FIL

RTTY-FIL is

is OFF,

OFF, Please

Please turn

turn ON.

ON.

--------------------------------------------

THRESHOLD

RTTY DECODE

■

RTTY tuning meter

The transceiver has an RTTY tuning indicator to be
tuned correctly and easily.

The RTTY tuning meter is automatically displayed
when the RTTY filter is turned ON.

Push [CW/RTTY] once or twice to select RTTY
mode.

Push [RTTY FIL] to activate the RTTY filter and
RTTY tuning meter.

ANT

METER

P.AMP

ATT

ATT
OFF

OFF

SFT

FIL2

R T T Y

qw:pp

VFO

USB

FIL2

qr≥qot≥pp

qr≥wpt≥pp

14.100.00

VFO

350

RTTY tuning meter