Setting accelerometer and compass parameters

ArduCopter Copter 3.5
1

Hi guys,
I have a drone configuration in which everything is fixed i.e pixhawk and compass position. How can set accelerometer and compass calibration parameter so i dont have to do calibration everytime.

2

What do you mean?
Read this:
http://ardupilot.org/copter/docs/configuring-hardware.html