Appendix J - Search Algorithms
Page J-8
15Oct99
If however a signal is found during the full scan a signal threshold
level based on the best received signal is stored in the Capsat®
Telephone. When a signal above this signal threshold level is found
during the next scan the Capsat® Telephone will command the land
mobile antenna into fine tuning.
Please note that if a full skyscan has been made with success once it
is not performed anymore unless
•
the Area/Ocean Region is changed
•
the signal is lost or below the signal threshold level for a very long
time (app. 15 minutes).
Fine Tuning
Fine Tuning
The fine tuning finds the best elevation angle of the land mobile
antenna. The Capsat® Telephone sends continuous signal information
to the land mobile antenna during the fine tuning.
NOTE:
During the fine tuning the land mobile antenna may not be moved.
Reacquisition skyscan
Reacquisition skyscan
The reacquisition skyscan searches the sky for the first signal from
the satellite belonging to the Area/Ocean Region currently selected.
The search is made as a 360 degrees turn in azimuth with the fixed
elevation angle found during the last fine tuning. The message "Re.
skyscan - started" will be displayed in the handset.
If no signal is found within app. 15 minutes a full skyscan will be
performed.
If however a signal is found which is above the signal threshold level
the Capsat® Telephone will command the antenna into step tracking
and follow the description mentioned at power on.
Step tracking
Step tracking
The step tracking fine-tunes the antenna position towards the
satellite. The message "Step track. - started" will be displayed in the
handset. The Capsat® Telephone sends continuous signal information
to the land mobile antenna. The step tracking will takes place also
when making calls although the update rate will be slower.
Summary of Contents for TT-3064A
Page 2: ... ...
Page 3: ...TT 3064A Capsat Maritime Telephone Users Manual ...
Page 4: ... ...
Page 6: ...Other ...
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Page 8: ......
Page 18: ...Introduction Page 2 15Oct99 C Manual TT 3064A APPENDIX DOC ...
Page 20: ...Introduction Page 4 15Oct99 ...
Page 31: ...Installation Guide 15Oct99 Page 15 ...
Page 32: ...Installation Guide Page 16 15Oct99 ...
Page 40: ...Getting Started Page 24 15Oct99 ...
Page 59: ...Call Types 15Oct99 Page 43 ...
Page 85: ...Appendix A List of Abbreviations 15Oct99 Page 69 ...
Page 93: ...Appendix A List of Abbreviations 15Oct99 Page 77 ...
Page 104: ...Appendix D 2 Digit Service Codes Page D 2 15Oct99 ...
Page 106: ...Appendix E Tone Signals Page E 2 15Oct99 ...
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Page 116: ...Appendix G List of System Errors Page G 2 15Oct99 ...
Page 118: ...Appendix H Trouble Shooting Page H 2 15Oct99 ...
Page 120: ...Appendix I Extended Error Codes Page I 2 15Oct99 ...
Page 129: ...Appendix J Search Algorithms 15Oct99 Page J 9 ...
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Page 148: ...Appendix K AT Command Set Page K 18 15Oct99 This page is blank ...