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TFT Inc EAS911D Manuel D’Utilisation

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vii 
 
 
 
 
 
 
 
 
SECTION VII – NOT AVAILABLE FOR MODEL 911D 
 
SECTION VIII - AM/FM RECEIVER  
Paragraph                                              Title 
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8.1 
SPECIFICATIONS .................................................................................................................................................................. 8-1 
8.2 
AM RECEIVER MODU LE BLOCK DIAGRAM DESCRIPTION  .............................................................................. 8-1 
8.3 
FM RECEIVER MODULE BLOCK DIAGRAM DES CRIPTION................................................................................ 8-3 
8.4 
REAR PANEL CONTROLS AND CONNECTORS ........................................................................................................ 8-5 
8.5 
FM RADIO ANTENNA INSTALLATION ........................................................................................................................ 8-5 
8.6 
AM ANTENNA INSTA LLATION ...................................................................................................................................... 8-5 
8.7 
RECEIVED SIGNAL STRENGTH INDICATION  (RSSI) ............................................................................................. 8-5 
 
SECTION XI - THEORY OF OPERATION 
9.1 
THE EAS INFORMATION SUPER HIGHWAY ............................................................................................................. 9-1 
9.2 
THE  EAS DECODER: AN OVERVIEW ........................................................................................................................... 9-1 
9.3   
A CLOSER LOOK:  SYSTEM BLOCK DIAGRAM ....................................................................................................... 9-2 
9.4 
MAIN BOARD  ........................................................................................................................................................................ 9-2 
9.4.1 
Audio Loop Through and Switching ..................................................................................................................... 9-3 
9.4.2 
Digital Signal Processor/CPU................................................................................................................................. 9-3 
9.4.3 
Input/Output Control................................................................................................................................................ 9-3 
9.5 
LEFT SECTION KEYPAD.................................................................................................................................................... 9-3 
9.6 
RIGHT SECTION  KEYPAD................................................................................................................................................ 9-3 
9.7 
LIQUID CRYSTAL (LCD) DISPLAY  ............................................................................................................................... 9-3 
9.8 
DIGITAL VOICE RECORDER  ........................................................................................................................................... 9-3 
9.9      PRINTER .................................................................................................................................................................................. 9-3 
9.10 
COM EXPANDER .................................................................................................................................................................. 9-3