Page 123
FT-
991
Operating Manual
DATA (PSK) Operation
Example of Data Communications Device
Software Settings
Note:
There are many good Data Mode Operating Software
programs available on the internet. Each of these pro-
grams will have their own Setup instructions, therefore
to assist you, the following, while general in nature is
common to most software setup.
COM PORT Settings
To start set the Com Port setting to the Enhanced
Driver. If there is a problem switch to the Standard
Driver.
PTT Settings
Set the PTT to RTS on DTR off.
SOUNDCARD
a. At the software Soundcard setting, set to USB CO-
DEC AUDIO
b. At the software Soundcard Volume setting increase
the volume to about 70% to start.
Advice:
If the soundcard volume setting is to low the radio
will not switch to Transmit.
DATA MODE
(PSK, OLIVIA, CONTESTIA, RTTY etc.)
FT-991A Settings
1.
Press the
MODE
button, and then touch the corre-
sponding key on the LCD to select the DATA-USB
operating mode. The “
D-U
” icon appears in the dis-
play.
Advice:
USB is the conventional mode for Digital (not
RTTY) transmission on all bands, however some us-
ers may be using LSB.
2. Press the
MENU
(SETUP)
button. The Menu list
will app
ear in the display.
3. Rotate the
MULTI
knob to find Menu item “
062
”,
“
063
”, “
070
”, “
071
” or “
072
”.
4. Touch [
SELECT
] on the LCD.
5. Rotate the
MULTI
knob to set these Menu item as
shown below.
Menu Function
Setting
062 DATA MODE
PSK
063 PSK TONE
Adjust for desired
center frequency.
070 DATA IN SELECT
MIC
071 DATA PTT SELECT
RTS
072 DATA PORT SELECT
USB
6. Touch [
ENTER
] on the LCD, then press the
MENU(SETUP)
button or touch [
BACK
] on the
LCD to exit to normal operation.
Note:
All other SSB and DATA settings remain at their de-
fault.
Connect a USB Cable from the FT-991A USB
port and your computer
Advice:
Before connecting the USB cable you must down load
the SCU-17 Drivers. The Drivers can be found on the
FT-991A
FILES page at the Yaesu Web page, www.
yaesu.com. Once the Drivers have been installed con-
nect the USB cable to the computer and then to the ra-
dio. At your computer’s Device Manager you will find
a Standard Driver and Enhanced Driver installed.
Computer Settings
Soundcard
At your Computer Control Panel Sound set your
Speaker Audio default to USB AUDIO CODEC.
COM PORT
Check your Com Port assignments at your Computer’s
Device Manager to be sure you have the Enhanced
and Standard Drivers. Make a note of the Com Port
numbers assigned.
Software Settings
Note:
There are many good Data Mode Operating Software
programs available on the internet. Each of these pro-
grams will have their own Setup instructions, therefore
to assist you, the following, while general in nature is
common to most software setup.
COM PORT Settings
To start set the Com Port setting to the Enhanced
Driver. If there is a problem switch to the Standard
Driver.
PTT Settings
Set the PTT to RTS on DTR off.
SOUNDCARD
a. At the software Soundcard setting, set to USB CO-
DEC AUDIO
b. At the software Soundcard Volume setting increase
the volume to about 70% to start.
Advice:
If the soundcard volume setting is to low the radio
will not switch to Transmit.
