repeater help

I have a CDR 700 motorola repeater. Lets just say i support 100’s of handhelds in the area for a company. We have ten channels for all the different departments. But one of the channels is to report fires to our fire station. But the repeater is a new thing that we are just now adding to the fire station because of range issues. Lets just say the fire channel is set at 465.500 Mhz freq. Before the repeater, using this one freq to tx and rx was ok. But now that we have a repeater I’m assuming i have to reprogram everyones handhelds to tx and rx on two different freq’s on the same channel. And I have to set the tx and rx freq’s on the repeater to jive with the handhelds. Is this correct ?