6 Ergonomic Criteria
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.74(69) - Adoption of New and Amended Performance Standards - (Adopted on 12 May 1998) - Annex 4 - Amendments to Resolution A.224(VII) - Performance Standards for Echo Sounding Equipment - Annex - Recommendation on Performance Standards for Echo-Sounding Equipment - 6 Ergonomic Criteria

6 Ergonomic Criteria

Parent topic: Annex - Recommendation on Performance Standards for Echo-Sounding Equipment

6.1 Operational controls

 The function of range scale selection should be directly accessible.

The settings for the following functions should be recognizable in all light conditions:

  • range scale; and
  • preset depth alarm.

6.2 Presentation of information

6.2.1 Marks

 The graphical display should be capable of showing:

  • depth marks at intervals not larger than one-tenth of the range/scale in use; and
  • time marks at intervals not exceeding 5 min.

6.2.2 Paper recording

 If paper is used for recording either by marks on the recording paper, or by other means, there should be a clear indication when the paper remaining is less than 1 m.

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