ICOM IC-703 Manuale Utente

40

4

RECEIVE AND TRANSMIT

DPresetting for RTTY

q

P

ush [MODE] momentarily to select RTTY mode.

• After RTTY mode is selected, push [MODE] for 1 sec.

to toggle between RTTY and SSB-D modes.

wEnter the RTTY tone set mode.

• Push [DISPLAY] once or twice to select 

M.

• Push [MENU] one or more times to select 

M4.

• Push [

(F-2)

TON] for 1 sec. to enter the RTTY tone set

mode (below).

ePush [MENU] one or more times to select  “R1

RTTY TONE,” then rotate the main dial to select
the desired frequency.

Shift frequency
qEnter the RTTY tone set mode as same as above.

wPush [MENU] one or more times to select  “R2

RTTY SHIFT,” then rotate the main dial to select
the desired shift frequency.

RTTY keying
qEnter the RTTY tone set mode as same as above.

wPush [MENU] one or more times to select R3

RTTY KEYING; then rotate the main dial to se-
lect the desired keying polarity.

After presetting is finished, push [DISPLAY] momen-
tarily to return the normal operating mode.

RTTY

R3 RTTY KEYING

RTTY keying is set to 
‘normal’.

normal : 
      key open=mark
      key close=space

reverse:
      key open=space
      key close=mark 

RTTY

R2 RTTY SHIFT

RTTY shift frequency 
is set to 170 Hz.

170/200/425 Hz are 
available.

RTTY

R1 RTTY TONE

RTTY mark frequency 
is set to 2125 Hz.

2125, 1615 and 1275 
Hz are available.

[MODE] Main dial

[DISPLAY]

[MENU]

[F-2]

R3 RTTY KEYING 

This item adjusts the RTTY keying. Normal or reverse
keying can be selected.

The default is “n,” normal.

Normal

: key open=mark

Reverse

: key open=space

R1 RTTY TONE

This item selects the RTTY tone. RTTY tone is se-
lected between 1275, 1615 and 2125 Hz.

The default is 2125 Hz.

R2 RTTY SHIFT

This item adjusts the RTTY shift. There are 3 selec-
table values: 170, 200 and 425 Hz.

The default is 170 Hz.

While

M4 is selected in RTTY mode, push [

(F-2)

TON]

for 1 sec. to enter the RTTY tone set mode.

DRTTY tone set mode