No, the MT1000 uses Part # RVN 4017 R03.02.00 last update 2/12/2001 (DOS)
The ASTRO25 uses Part # RVN 4186 R15.00.00 dtded 9/24/2010 (WIN) for the following: XTS 1500/2500/4000/5000 and PR1500, astro spectra plus.
And there is a differant series for the regular astro, RVN 4184 R05.03.00 Dtded 10/21/2008
The HT-EX-MTX uses RVN 9025 R06.12.00 dtd 3/2011 (WIN)
However, the HT1000 is even older and uses dos program.
All four are differant and are not inter changeable.