hello i want to monitor salem county fron de, with the psr-500. i see that this is an anolog motorola ii. when setting up do i choose tgrp over conv.next when i enter tsys which should i choose, would it be vhf/uhf or the mot 800/900 or something else., i think the rest i might be alrite. but just not sure on these couple of things, if someone wants to give me the whole run down, that would be great so that way i really know what to do. thanks in advance for youre help.