Make sure to go through the tutorials in EasyC. They will teach you a lot about how to program your robot for the various modes.
When testing autonomous/hybrid you should make a competition port dongle. It plugs into the competition port of your OI. It should have two switches Enable/Disable and Manual/Autonomous. Here is the pinout:
http://www.ifirobotics.com/docs/comp...guide-reva.pdf
You only need SW1 and SW2. In general it is good to have this because turning on the robot will sometimes have very unpredictable results. Being able to quickly disable it is always a good idea. You can also simply unpower your O/I, but you still need a dongle to call Autonomous/Hybrid.
If you don't feel you can make your own dongle, AndyMark sells cool ones:
http://www.andymark.biz/am-0016.html
Now for hybrid you can use the IR sensor board that was sent to you prior to kickoff. That connects to your robot. You can use any regular old remote control to program and send signals to the IR receiver. Take a look at these documents.
http://www.usfirst.org/uploadedFiles...%20_121007.pdf
http://www.usfirst.org/uploadedFiles...0schematic.pdf
Essentially you can use the TV remote to send a signal to your IR receiver which can then signal your RC at one of your digital IO ports. Again, look closely at the EasyC tutorials on how to program your robot to handle this.