The SONAR X3 Reference, User and Quick Start Guides are available in the links below:

SONAR X3 Reference Guide (English)(Approx. 38 MB)
SONAR X3 Reference Guide (French)(Approx. 39  MB)
SONAR X3 Reference Guide (German)(Approx. 40 MB)


SONAR X3 User Guide (English) (Approx. 2.4 MB)
SONAR X3 User Guide (French) (Approx. 2.4 MB)
SONAR X3 User Guide (German) (Approx. 2.4 MB)
SONAR X3 User Guide (Italian) (Approx. 2.4 MB)
SONAR X3 User Guide (Spanish) (Approx. 2.4 MB)
SONAR X3 User Guide (Chinese) (Approx. 1.3 MB)

SONAR X3 Quick Start Guide (English) (Approx. 184 KB)
SONAR X3 Quick Start Guide (French) (Approx. 183 KB)
SONAR X3 Quick Start Guide (German) (Approx. 183 KB)