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7. HOW TO MANAGE CHARTS
7-13
7.11 How to View Permit Expiration Date
Permits are used to control the right to use chart data in this chart system. A permit is
connected to the edition of a chart. Permits are issued in two different types:
• Subscription permit: This type of permit includes updates for subsequent 3, 6, 9
or 12 months.
• One-Off permit: This type of permit includes only updates up to the issue date of
the permit.
The expiry date of a permit controls the installation of Base charts and their updates
to the chart. The system will warn you when you are installing charts or updates that
are issued less than 30 days before the expiration date of a permit. If a permit has ex-
pired, it is impossible to install a chart or its update that was issued after the expiration
date of the permit. The user has a right to view a chart forever, except C-MAP charts
that have viewing periods which end two months after the expiry date of the license.
If the charts are not updated regularly it will not complete the requirements for having
up-to-date charts. To view the permit status of a chart, click the [License] button on the
InstantAccess bar and then click the applicable "chart" tab ([ENC], [C-MAP] or [C-MAP
DL]).
The example below shows the status of ENC charts. The expiration date of each cell
appears in the [Expires] window.
Subscription warnings for RENC
If you have at least one subscription-type permit, the system will automatically warn
you about the expiration date of your subscription license, in the Permanent warning
box.
Note: If you change service provider for some reason, it is recommended that you
remove all the charts from this chart system before installing new charts of new ser-
vice provider.