I have a PRO-93 and WIN93 lets me enter extended frequencies, but since I don't own a -96, so I can't really say about WIN 96. Hopefully someone else will be of better help than me. 
__________________
Colin Taranovich
-GRE PSR-500, Radioshack PRO-2055, Radioshack PRO-93 (My first), Motorola JT1000 K Split
|