VRS300-EP/ VRS-EP Power Adjust Location?

[firemedic]

Ok, I have the service manuals on order but it will be a bit before they get here. Where is the power adjust on the rdnet radio inside of these units located at? I've got one only puting out .03 watts vs the .3 watts it should be. Just wanting to check this before I go digging for a replacement radio for the unit. There is a single trimmer resistor on the backside which I figure is probably the power adjust but wanted to make sure before I tweaked on anything. Thanks!!!