SEA Inc of Delaware SEA157 Manuel D’Utilisation
TABLE OF CONTENTS
PAGE
1.
INTRODUCTION............................................1-1
2.
SEA 157 SPECIFICATIONS..................................2-1
2.1
2.1
General............................................2-1
2.2
Transmitter........................................2-1
2.3
Receiver...........................................2-2
2.4
Mechanical.........................................2-3
2.5 DSC
controller.....................................2-4
3.
OPERATING THE SEA157....................................3-1
3.1
3.1
Front panel controls...............................3-1
3.2
Display............................................3-1
3.3
Push to talk.......................................3-1
3.4
Radiotelephone operating system functions..........3-2
3.5
Digital selective calling operating system.........3-6
3.6
Receiving a call...................................3-8
3.7
Inputting position data and time...................3-8
3.8
Programming the DSC ID (MMSI)......................3-9
3.9
Programming the DSC Address Book...................3-9
3.10 Using test, calibration and diagnostic utilities...3-10
3.11 Master USA frequency list..........................3-11
3.12 International Channel list.........................3-12
3.13 Weather Channel list...............................3-12
3.11 Master USA frequency list..........................3-11
3.12 International Channel list.........................3-12
3.13 Weather Channel list...............................3-12
4.
INSTALLATION............................................4-1
4.1
4.1
Preliminary check..................................4-1
4.2
Shelf or overhead mounting.........................4-1
4.3
Bulkhead mounting..................................4-1
4.4
Power supply wiring................................4-1
4.5
Antenna wiring.....................................4-1
4.6
External speaker wiring............................4-2
4-7
NMEA 0183 input wiring.............................4-2
5.
THEORY OF OPERATION.....................................5-1
5.1
5.1
Frequency synthesizer..............................5-1
5.2
Modulation circuit.................................5-2
5.3
Receiver circuits..................................5-2
5.4
Transmit amplifiers................................5-3
5.5
Antenna interface circuits.........................5-4
5.6
Automatic RF power control and TX logic............5-4
5.7
TX Logic detector..................................5-5
5.8
Power and Audio circuits...........................5-5
5.9
Microcomputer circuitry............................5-5
5.10 Keypad/keypad lighting.............................5-6
5.11 Display/display lighting...........................5-6
5.11 Display/display lighting...........................5-6