Yaesu FT-891 Advance Manual page 68

DATA (PSK) Operation
Computer Settings
COM PORT
Check the Com Port assignments on the computer Device Manager to be sure the
Enhanced and Standard Drivers are installed . Make a note of the Com Port numbers
assigned.
Software Settings
r There are many good Data Mode Operating Software programs available on the in-
ternet. Each of these programs will have their own Setup instructions. The following
general information is common to most software application 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
At the software Soundcard Volume setting increase the volume to about 70% to start.
r If the soundcard volume setting is too low, the radio will not switch to Transmit.
68 FT-891 Advance Manual