Basic Connection to TPS2024B

I have a very basic task: to track 2 separate DC voltage signals over time, recording a measurement every 5 sec over a few hours.

I have an ASUSPRO with Intel i7 running Windows 7 64bit

I have access to a Tektronix TPS024B Serial #C010563.

I installed LabVIEW Signal Express Tektronix Edition 2.5.1

I installed NI VISA, which installed NI MAX 14.0.1f1.

I am connecting through a USB-to-RS-232 cable. The cable driver has installed successfully on COM5.

When I use NI MAX to communicate with the scope with the built in *IDN?\n code, I do get a reply from the scope. However, SignalExpress does not recognize the scope.

Any basic advice or links to such? Thanks.