ä tT Fallbeispiel Prüfung aktueller Nav.-Geräte 
BUNDESAMT FÜR 
SEESCHIFFFAHRT 
UND 
HYDROCRAPHIE 
Prüfung AIlS-Geräte 
14.6.2.5 GNSS position mismatch 
14.6.3.5.1 Method of measurement 
Set up standard test enviranment and operate EUT with valid internal position avallable and 
using valıd external position. 
a) Apply an external position with an offset of more than 100 m to the internal position for 
3 min. Then modify external position 10 an offset of less than 100 m to the Internal 
POSILON. 
Maodify the external position to an offset of more than 100 m to the internal position for 
more than 1 h_ 
cz} Then modify external position to an offset of less than 100 m to the internal position. 
14.6.3.5.2 Required results 
Check that 
i} 
a) no alarm sentence ALR Is output, 
b) an alarm sentence ALR with alarm ID BO9 with status active Is output 15 min after the 
modification of the position, 
2} the alarm sentence ALR with alarm ID 009 with status inactiive is output/ 
Quelle: Standard IEC 61993-2