[Dx4win] PSK-31 on alternate soundcard?

[Jim Reisert AD1C]

How do I configure DX4WIN to use the "other" soundcard in my PC for PSK-31
(ALT-3)?  I don't see a way to tell it what device to use.  The default device
(-1) is the Windows system sound device, the other device (1) is for RTTY/PSK. 
I already have RTTY fixed but not PSK-31.

Thanks & 73 - Jim AD1C

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Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863
USA +978-251-9933, <jjreisert at alum.mit.edu>, http://www.ad1c.us