Don't just post "Can't calibration my compass on my 920". If are looking for help, give people some information. Tell them what you have and have not done. Let them know if you have searched this site for an answer using the search tool as the answer is there. Tell them everything you have tried and where you tried ti. What the surroundings were. If you give no information no one cane help resolve a problem that they have no idea what was already involved.