3. HOW TO MANAGE CHARTS
3-2
3.2 How to Install Public Keys for ENC Charts
Public keys authenticate the source and integrity of the ENC chart materials used in
this chart system. Before you install a new ENC chart, confirm that the corresponding
public key is installed.
1. Set the medium (DVD, USB flash memory, etc.) that contains the public key. (The
IHO public key is pre-installed.)
2. Get into the Chart maintenance mode then click the [Public Key] button on the
InstantAccess bar™.
3. Click the [Load New Key] button to show the [Open File] dialog box.
4. Find the .pub file then click the [Open] button. The [Public Key] dialog box reap-
pears.
5. Click the [Display Content] button on the [Public Key] dialog box to show the dis-
play contents.
6. To accept the contents, click the [Activate] button on the [Public Key] dialog box.
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