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35
4
RECEIVE AND TRANSMIT
2001 NEW
2001 NEW
■
Operating RTTY (FSK)
Before operating RTTY, be sure to consult the manual
that comes with your TNC.
q
Push a band key to select the desired band.
w
Push [CW/RTTY] several times to select RTTY.
• After RTTY mode is selected, push [CW/RTTY] for
1 sec. to toggle RTTY and RTTY-R modes.
e
Rotate [AF] to set audio to a comfortable listening
level.
r
Rotate the tuning dial to tune a desired signal.
• S-meter indicates received signal strength.
• If the received signal cannot be demodulated, try select-
ing RTTY-R mode.
t
Push [TRANSMIT] to set the transceiver to the
transmit condition or transmit a SEND signal from
your TNC.
• The TX indicator lights red.
• The Po meter indicates transmitted RTTY signal strength.
y
Operate the connected PC or TNC (TU) to transmit
RTTY (FSK) signals.
• Adjust [MIC GAIN] at this step, if necessary.
u
Push [TRANSMIT] to return to receive.
Band keys
[TX] indicator
[TRANSMIT]
[CW/RTTY]
Tuning dial
“RTTY” or “RTTY-R” appears
D
D
Convenient functions for receive
• Preamp and attenuator
(p. 47)
➥
Push [P.AMP/ATT] several times to set the pre-
amp OFF, preamp 1 ON or preamp 2 ON.
• “P.AMP
1
,” “P.AMP
2
” or “P.AMP” appears when the
preamp 1, preamp 2 or preamp is set to ON, respec-
tively. (depending on operating frequency band)
➥
Push [P.AMP/ATT] for 1 sec. to set the attenuator
ON.
• Push [P.AMP/ATT] momentarily to turn the attenuator
OFF.
• “ATT” appears when the attenuator is set to ON.
• Noise blanker
(p. 50)
➥
Push [NB] to turn the noise blanker ON and OFF.
• “NB” appears when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• Noise reduction
(p. 52)
➥
Push [NR] to turn the noise reduction ON and
OFF.
• Rotate [NR] control to adjust the noise reduction level.
• “NR” appears when the noise reduction is set to ON.
• Twin PBT (passband tuning)
(p. 51)
➥
Rotate [TWIN PBT] controls (inner/outer).
• Push [PBT C] to clear the settings.
• AGC (auto gain control)
(p. 48)
➥
While
M1
is selected with [MENU], push
[F1
AGC
] several times to select AGC
F
,
AGC
M
, AGC
S
or AGC OFF.
•
1
⁄
4
function
(p. 21)
➥
While
M1
is selected with [MENU], push
[F3
1/4
] to turn the
1
⁄
4
function ON and OFF.
D
D
Convenient functions for transmit
• Transmit quality monitor
(p. 56)
➥
Push [MONITOR] to turn the monitor function ON
and OFF.
• “MONI” appears when the monitor function is set to
ON.
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