7.2.2 
Determining set values 
Functionality level 1 
Functionality level 2 
Function 
Input information 
Output information 
1. Set direction 
1.1 Control track 
1.1.1 Record information 
• Track deviation 
• Refiactual comparison for ROT 
• Off-course limit 
• Off-track limit 
• ROT limit 
• Present speed 
• Present course 
• Deviations to be controlled 
• Parameters determining the regulator 
behaviour 
1.1.2 Conclude 
• Result information from 1.1.1 
• Control of track deviation possible - 
yes/no 
1.1.3 Act 
• Track deviation and parameter 
• Decision that control of track deviation is possi 
ble 
• Set value for course made good 
1.2 Control course 
1.2.1 Record information 
• Ref./actual deviation for course made good 
• Manoeuvring limits (rudder angle, ROT max.) 
• Present speed 
• Deviation to be controlled 
• Relevant parameters 
1.2.2 Conclude 
• Result information from 1.2.1 
• Decision whether control of course devia 
tion is possible 
1.2.3 Act 
• Course deviation and relevant parameters 
• Decision that control of deviation is possible 
• Set value for heading, v|/ s 
1.3 Control heading 
1.3.1 Record information 
• Set/actual deviation for heading 
• Regulator parameters: rudder limit, ROT max. 
• Deviation to be controlled 
• Relevant parameters 
1.3.2 Conclude 
• Result information from 1.3.1 
• Decision whether control of the heading 
deviation is possible 
1.3.3 Act 
• Heading deviation and relevant parameters 
• Decision that control of the heading deviation is 
possible 
• Set value for rudder angle