Operation Manual

■ Operating RTTY (FSK)

When using your RTTY terminal or TNC, consult the

manual that comes with the RTTY terminal or TNC.

q Push [

(

BAND

)]/[

(

BAND

)] to select the desired

band or push a band key on the HM-151.

w Push [MODE] momentarily to select RTTY mode.

•After RTTY mode is selected, push and hold [MODE]

for 1 sec. to toggle between RTTY and RTTY-R modes.

e Display the RTTY decoder screen.

•Push [F-2

DDEECC

] to display the Baudot decoder screen.

r Rotate [DIAL] to tune in a desired signal.

•Use [F-2

11//44

] in the

display when critical setting

is required.

•S-meter indicates received signal strength when signal

is received.

•If the received signal cannot be demodulated, try se-

lecting RTTY-R mode (or RTTY mode).

t Transmit a SEND signal from your TNC.

•[TX] indicator lights red.

•The Po meter indicates transmitted RTTY signal

strength.

y Operate the connected PC or TNC (TU) to trans-

mit RTTY (FSK) signals.

“RTTY” or “RTTY-R” appears

[Y]

[Z]

[DIAL]

[MODE][AF] [TX] indicator

[MENU/GRP] [F-2]

•Push and hold [MENU/GRP] for 1 sec. once or twice

to select the menu group

•Push [MENU/GRP] momentarily one or more times to

select the menu

RECEIVE AND TRANSMIT