Preface - JRC JCY-1900 Instruction Manual

Thank you for purchasing the JRC JCY-1900 Voyage Data Recorder (VDR).
This equipment records the navigation data and the hull data of the vessel, as required by
international standards. If a maritime accident occurred, this equipment helps investigators to
investigate the cause and prevent the recurrence in the future.
- For the best operation, read this manual carefully before use.
- Keep this manual in a convenient place for future reference.
- Make use of this manual when experiencing operation difficulties.
To investigate the cause of maritime accident, the VDR records the navigation data and hull
data of the vessel. If a maritime accident occurred, preserve the recorded data immediately.
In case a maritime accident occurred, please preserve the recorded data according to the
procedure described in "Operation Guide When a Maritime Accident Occurred" of page xxi.
[NOTE]
The VDR erases old data that has been stored for a certain period of time and overwrites new
data. If a maritime accident occurred, please take appropriate actions. Otherwise, the recorded
data at the time of accident will be erased automatically.
The recorded data is stored for the following period of time.
- The fixed protective capsule unit: 48 hours (2 days)
- The float-free capsule unit: 48 hours (2 days)
- The international storage: 720 hours (30 days)
■ This manual uses the following notations.
Notation
[NOTE]
[Information]
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Preface

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Description
Preface
xi