Chris,
RC-Boss is correct of course. Although, I'm sure he mentioned that you MUST check/set the battery cut-off to 9.0 volts for 3 cell Li-Po batteries. The manual is very specific about this. DO NOT trust that the factory has set it for you. Mine was at the factory default which is "No Cut-Off". Since the cut-off setting is step 3 in the process, you have to go through at least the first two setting options to check/change this setting. So the point is, you might as well go through and check/set them all (there's only 5 settings you can control with the Tx). If you don't have the "Castle Link" software and cable, then everything has to be done in a specific sequence with little "flexibility".
BUT, the first thing you have to do is calibrate the Mamba to your TX. That's where I ran into some issues with the Tx Steering and Throtle Reverse Switches and the Throtle Trim mentioned in my previous post. My intent with these posts is to help save you time and get you up and running quickly. I know how I wanted to get the Photon out on the pavement!! I hope my post does not scare you in anyway, that was not my intent. It's really very easy and interesting. Doing these things will also help familiarize you with your new Buggy. So it's "all good".
FYI - I just recieved my Castle Link set up and it's cool! The first thing I did was update the firmware for the Mamba to ver. 1.06 (it came with v1.05). Then I made a few other adjustments, but it's been raining here, and I can't really check them out until I can get outside to "stretch" the little legs on this thing again! It is sooo unbelievably quick (read that as SICK) that we are going to kinda "tone down" the program a little for now. Just having the controls that the Mamba affords you is great!!
Hope this helps you in some way. I don't have enough "seat time" on the Photon to really have a valid opinion of it yet. You know, in terms of quality, durability, drivability, maintainability etc.. But I will be posting my experiences from time to time. I hope you will too (should you decide to purchase one).
Have fun and remember, when the distance between the Buggy and a brick wall is decreasing very, very fast.......BRAKE!!!!!!!
Hoot