Changing intervals from RC channels in software???

[Romax]

Hello,

a while ago a decided to build a tricopter. I searched the web and bought everything on Hobbyking, including a transmitter.
I hooked everything up to a arduino proMini, but I noticed that the range from the pitch, roll, yaw and throttle channels isn't 1000 - 2000, but 1366 - 1834.

I've read that on more advanced transmitters, you're able to control the range of every channel independently, but I can't do this on mine (I'm new and I bought a cheap transmitter).
It there a simple way tho change the ranges in the software?

[Alexinparis]

There is nothing in the code to scale the range of RC channels for performance reasons.
However, you can change MINCHECK and MAXCHECK to be sure to hit the required threshold to command the multi. (for instance arming action)

[mr.rc-cam]

If it is the Turnigy 9X or similar then I hear you can get a 980us to 1980us servo pulse range with the Tx's end point mix set to 125%.