ICOM 301500 Manuale Utente

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4

RECEIVE AND TRANSMIT

D RTTY decode set mode

Set the RTTY key polarity, shift width and mark tone.

q  When RTTY (RTTY-R) mode is selected, push and 

hold 

 for 1 sec. to enter the quick set mode.

w Rotate [M-CH] to select the desired set item.

e  Rotate [DIAL] to adjust the desired value or con-

dition.

 • 

 

Push and hold 

 for 1 sec. to return to the default 

value.

r  Push 

 to exit the quick set mode and re-

turn to normal operation.

 

This item selects the RTTY mark frequency. RTTY mark 
frequency is switched between 1275, 1615 and 2125 Hz.

2125 Hz (default)

 

This item adjusts the RTTY shift width. There are 4 
selectable values: 170, 200, 425 and 850 Hz.

170 Hz (default)

 

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.
n (normal) : Key open/close = Mark/Space
r (reverse) : Key open/close = Space/Mark

NORMAL (default)