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322 · Common Reference System
Control of common reference system
If more than one workstation have been configured to be in the system, the following window is available when
pressing INITIAL SETTING button.
1.
2.
3.
1. Usage rights, following option are available to request Usage right:
· Master, only this Workstation can be used to make selections for the Monitor mode (for example Route
Monitor, User Chart Monitor mode etc.) and System use (for example Navigation sensors, ARPA target source
etc.).
· Plan, this Workstation can be used only for Plan mode (i.e. another Workstation(s) is used for selections for the
Monitor mode and System use).
· Multi, you have requested this Workstation to share Usage right to make selections for the Monitor mode and
System use with other Workstation(s) set as Multi. Note that this is only a request for shared operation. If any
other Workstation has been selected as Master, then you do not get Multi Usage Rights, but Slave Usage
rights. The difference between Slave and Plan Usage rights is that Plan will stay but Slave will be changed to
Multi, if the current Workstation holding Master Usage rights is changed from Master to any other alternative.
2. Sensor source, indicates the Workstation into which all the Navigation sensors are connected. If you have fully
redundant System where all the sensors are connected to all Workstations, you can select which Workstation is
used as a Sensor source.
3. Mode, normally in a multi Workstation environment this selection should always be "Multi Workstation". The
alternative selection is "Single workstation" and it is used for two purposes:
· If you do not have power on in more than one Workstation, then this Workstation shall be selected for "Single
workstation" mode.
· If you for some reason want to use this Workstation of your System temporarily as totally independent separate
Workstation, then you can select "Single workstation" mode. NOTE, During the "Single workstation" mode the
System do not use Common Reference System concept, everything what you do is not shared by other
Workstations.
Shared Alarm management
Common reference system concept include that all alarms are indicated in all workstations and a single acknowledge
of alarm in a Workstation is enough to acknowledge the alarm from all Workstations.