Question: Is the VEC IN-USB 2 a programmable foot pedal?
Yes, the IN USB  2 is an HID device that can be controlled with the software or you can program it using a third-party software program called X-Keys(r) Macro Recorder. A link to check out X-Keys is listed below.
http://ymouse.com/software/legacy.php#MacroRecorder

If you have trouble using the program, call thier technical support at 517.655.5523.  I was told they are very helpful.

Verification Source: Jim Natalizio at VEC Corp.
Test Date: 2.21.10