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4-1  

Front Panel Operation

 

 

602-13729-01 Rev B 

 

Expedio Digital Electronic News Gathering Radio 

4  Front Panel Operation 

4.1 Introduction 

This section describes the front panel operation of the EXPEDIO digital radio/modem.  This 
includes: 

• 

LCD display (including all screen menus) 

• 

Cursor and screen control buttons 

• 

LED status indicators 

4.2 Front Panel Operation 

A picture of the EXPEDIO front panel is depicted in Figure 14 below.  

 

 

 

Figure 14: EXPEDIO Front Panel 

4.2.1 LCD 

Display 

The Liquid Crystal Display (LCD) on the EXPEDIO front panel is the primary user interface and 
provides status, control, configuration, and calibration functionality.  The menu navigation and 
various screens are explained in detail later in this section. 

Содержание 08MUD1F

Страница 1: ...602 13729 01 Rev B Expedio Digital Electronic News Gathering Radio User Manual Expedio D ENG LINK Doc 602 13729 01 October 21 2002...

Страница 2: ...13729 01 Revision Levels Section Drawing No REV Revised Released Reason Expedio 20 602 13729 01 A SN 10 21 02 NEW Expedio 20 602 13729 01 B SN 12 03 02 Add FCC Requirements see 3 2 4 C Modified Front...

Страница 3: ...RIPTION 2 1 2 2 SOFTWARE INSTALLATION 2 1 2 3 USING THE STATUS MONITOR PROGRAM 2 2 2 3 1 Start Stop Status Check 2 2 2 3 2 Expedio Unit Data 2 3 2 3 3 Error Statistics 2 4 2 4 COMMUNICATIONS SETTINGS...

Страница 4: ...Digital Electronic News Gathering Radio 4 2 FRONT PANEL OPERATION 4 1 4 2 1 LCD Display 4 1 4 2 2 Cursor and Screen Control Buttons 4 2 4 2 3 LED Status Indicators 4 3 4 2 4 Screen Menu Tree Structur...

Страница 5: ...utput transport stream DVB TS is then converted to DVB ASI which is then Modulated with COFDM or any other digital modulators The COFDM modulator is compliant to DVB T non hierarchical modes This modu...

Страница 6: ...up the transmitter MPEG 2 ENCODER COFDM MODULATOR DVB T Double up Convertor Power Amplifier Video 2 Audio Channels RF ouput to Antenna Figure 2 Transmit Chain 1 2 2 Receive Chain The Block diagram bel...

Страница 7: ...MP LL System Multiplexing ISO IEC 13818 1 MPEG 2 Generated Stream Types Video ES Video Elementary Stream Audio ES Packetized Audio Elementary Stream Video PES Packetized Video Elementary Stream Progr...

Страница 8: ...Channel Configurations A 8 MHz DVB T COFDM Payload Data Rate Modulation Code Bit Rate Mbit s each Guard Interval Type Rate 1 32 1 16 1 8 1 4 A 1 2 6 032086 5 854671 5 529412 4 976471 QPSK 2 3 8 04278...

Страница 9: ...installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interf...

Страница 10: ...edio Transmit System Block Diagram All modules excluding the Front Panel and Power Amplifier are interconnected via the backplane that traverses the entire width of the unit The backplane contains the...

Страница 11: ...nterleaver Viterbi Mapping Modulation Inverse FFT 2K DAC BP Filter 9MHz Gain control 9MHz IF Control Lines Control from Hitachi COFDM MODULATOR Figure 6 COFDM Block Diagram The COFDM Coded Orthogonal...

Страница 12: ...TOR IF Upconvertor 70MHz SAW Pad 8dB 9MHz I P 70MHz IF O UT Figure 7 IF Upconverter Block Diagram The resultant carrier is translated up to 70 MHz by the IF Upconverter This is accomplished by a stand...

Страница 13: ...f the RF Module via an external rear panel semi rigid SMA cable This module performs the necessary upconversion to the RF carrier There is an on board CPU for independent control of the critical RF pa...

Страница 14: ...51 1 63 GHZ 1 97 2 02 GHZ 2 2 5 GHZ CONVERTER 480MHZ 25MHZ 13dB 14dB 17dB Figure 9 RF Downconverter Block Diagram The receiver handles the traditional RF to UHF conversion from the carrier to 480 MHz...

Страница 15: ...nconverter PLL CX22702 ADC SAW s 36 16 MHz SDI SCI MPEG TS Delayed AGC SCO SDO 20 48 MHz Figure 10 UHF Downconverter Block Diagram This Module receives a UHF COFDM signal and demodulates them using th...

Страница 16: ...System Description 1 12 602 13729 01 Rev B Expedio Digital Electronic News Gathering Radio This page is intentionally blank...

Страница 17: ...o double click the Expedio icon on your PC desktop The first time you run the Expedio Status Monitor Program the Communications Settings window appears To begin communicating with the Expedio unit the...

Страница 18: ...s launched it first reads the current settings from the Expedio unit then starts status checking Manually by Upon launching the Status Monitor Program the main screen appears as pictured below Note th...

Страница 19: ...on that received from the Expedio unit During monitoring the Error Statistics continue to update anytime a change occurs on the Expedio unit itself The communication link between the PC and the Expedi...

Страница 20: ...can only be performed under the guidance of Moseley Technical Support Read from Board returns status information excluding PVR without starting Status Check 2 3 3 Error Statistics The lower portion o...

Страница 21: ...Checking is started To change Communications Setting ensure that Status Checking is stopped 2 5 MPEG COFDM Configurations The behavior of the Expedio unit depends on its MPEG Configuration The approp...

Страница 22: ...is in process 2 5 2 Default MPEG COFDM Configuration Settings The following table describes the factory installed configurations Configuration Number MPEG Settings 1 2 3 Video Rate Mbits Video Resolu...

Страница 23: ...aged If any of the listed parts are missing call the distributor or the factory immediately to resolve the problem 3 2 Notices 3 2 1 CAUTION DO NOT OPERATE UNITS WITHOUT AN ANTENNA ATTENUATOR OR LOAD...

Страница 24: ...Associates as this would render the compliance of the equipment to be invalid This would also render the user to operate the equipment 3 3 Rack Mount The product is normally rack mounted in a standard...

Страница 25: ...o Monitor Video O P From Rx Antenna RF Connector Audio Level Control Audio Left Audio Right identify Pin Connect Figure 12 Expedio 20 Rear Panel Receiver Connections Connect to this port if using exte...

Страница 26: ...Green LED Indicates CPU OK Converter Module RF Connectors TO PA SMA female Upconverter output to be applied to linear Power Amplifier module internal to radio 70 MHz IN SMA female Modulated IF input f...

Страница 27: ...main bus voltages 5 and 12 are summed in the backplane and provide the supply the plug in modules NOTE The front panel LCD screen displays the system supply voltages and the nomenclature follows the...

Страница 28: ...of the PC board to aid in replacement NOTE If a fuse does blow in operation investigate the possible cause of the failure prior to replacing the fuse as there is adequate built in protection margin 3...

Страница 29: ...tower Depending upon the application and the gain of the antenna the total composite power could exceed 20 to 61 watts EIRP The antenna location should be such that only qualified technical personnel...

Страница 30: ...Installation 3 8 602 13729 01 Rev B Expedio Digital Electronic News Gathering Radio This page is intentionally blank...

Страница 31: ...screen menus Cursor and screen control buttons LED status indicators 4 2 Front Panel Operation A picture of the EXPEDIO front panel is depicted in Figure 14 below Figure 14 EXPEDIO Front Panel 4 2 1...

Страница 32: ...panel button PCB 4 2 2 Cursor and Screen Control Buttons The buttons on the EXPEDIO front panel are used for LCD screen interface and control functions ENT ENTER Used to accept an entry such as a valu...

Страница 33: ...ating and the RF output forward power is above the factory set threshold 4 2 4 Screen Menu Structure Figures 3 2a b and c located on pages 3 7 3 8 3 9 and 3 10 show the tree structure of the screen me...

Страница 34: ...st other screens in the software the main menu scrolls up or down one line item at a time 4 3 1 Radio Launch To access the Radio Launch controls from the Main Menu click RADIO The Radio Launch screen...

Страница 35: ...URE Radio Launch TX CONTROL Radio Launch TX Freq Xmtr Fwd Rev PA Cur Temp Synth AFC LO Xctr Radio Tx Status Config Board CPU Users FPGA Ver Radio Mod Status METER RADIO EXP TX MAIN MENU SYSTEM ALARMS...

Страница 36: ...Front Panel Operation 4 6 602 13729 01 Rev B Expedio Digital Electronic News Gathering Radio This page is intentionally blank...

Страница 37: ...4 7 Front Panel Operation 602 13729 01 Rev B Expedio Digital Electronic News Gathering Radio...

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