<p>The method involves analyzing a first hearing aid (1) and providing an analysis result, determining setting parameters for the second hearing aid (3) based on the analysis results for the first hearing aid and adjusting the second hearing aid based on the determined adjustment parameters. The automatic analysis includes providing an input signal and examining an associated output sound signal at the first hearing aid. An independent claim is also included for the following: (a) an arrangement for automatically adjusting a second hearing aid .</p>