8. Vector Chart Material
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8.6.8 How to find up-to-date status of a chart from an RENC
To keep charts up-to-date, you should check for updates with an RENC weekly. The ECDIS compares charts used to
Product List of an RENC. If a Permanent Warning appears on the chart display of ECDIS (at the upper left corner),
this means that the charts used were checked against the Product List and at least one of the charts used is not up-to-
date. See the Permanent Warning below.
The information of available charts and their up-to-date status is available both in the catalogue and in the Chart
viewing dates window.
The easiest method to check if charts are up-to-date is to view the catalogue and check that the names of all
required charts appear in green. The names of charts that are NOT
up-to-date appear in orange. See "How to
display the coverage of an RENC service" in section 8.6.7.
You can also use the Chart viewing dates window in the Chart menu when you have doubt that some charts are not
up-to-date or the Permanent Warning shown above is displayed.
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Interpreting the chart viewing date window
1. RENC edt / upd: The chart's edition and its update in an RENC appear here. The information is based on the
last-ordered Product List.
2. SENC edt / upd: The chart's edition and its update in the ECDIS appear here.
3. If a chart is not available in an RENC but it is in the ECDIS the RENC edt/upd shows " -/ -".
4. If a chart in the ECDIS is newer than the associated chart in an RENC, for example, the Chart viewing date
window the RENC edt/upd field shows "2/ 8" and the SENC edt/ upd field shows "2/ 9".
5. Chart Displayed and Approved Until are set based on Updates number (Updates Displayed and Approved until
as NVLD (Not Valid) indication).
6. If a chart in the ECDIS is older than the associated chart an RENC, for example, the RENC edt/upd field shows
"1/ 21" and the SENC edt/ upd field shows "1/ 0".
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