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TT-3000E mini-C GMDSS User Manual - Polaris-as.dk

TT-3000E mini-C GMDSS User Manual - Polaris-as.dk

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<strong>TT</strong>-<strong>3000E</strong> <strong>mini</strong>-C <strong>GMDSS</strong> <strong>User</strong> <strong>Manual</strong><br />

2. Do a Link Test by choosing Activate from the<br />

menu bar. The Status Field of the Capsat window<br />

will show '' until the test h<strong>as</strong> been<br />

completed.<br />

3. During the Link Test the message:<br />

Automatic test mode: Normal communication<br />

disabled. Do not press any distress buttons unless<br />

you are in distress<br />

will be displayed.<br />

4. When the link test is completed, the 'Link Test<br />

Finished' message is displayed/printed along with<br />

the results of the test. This may take up to 15<br />

minutes!<br />

5.5.38 POLLING<br />

A "Poll" is a message, but it differs from normal messages<br />

in the way that it can only sent in the direction from a<br />

terrestrial user (telex, x.25 or telephone modem) towards<br />

the mobile unit and in the way that it may simultaneously<br />

be received by several mobile units.<br />

A Poll can be addressed to:<br />

• One specific mobile.<br />

• A group of mobiles.<br />

• A group of mobiles within a specified<br />

geographic or navigational area.<br />

The reception of a poll can initiate the transmission of a<br />

position report or trigger some other pre-defined event. As<br />

shipped your system only supports transmission of<br />

94

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