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DAB/DAB+ Monitor Receiv

er

Installation & User Guide

June, 2019 - Rev. 1.0.0.0 Firmware

www.inovonicsbroadcast.com

661

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Содержание INOmini 661

Страница 1: ...DAB DAB Monitor Receiver Installation User Guide June 2019 Rev 1 0 0 0 Firmware www inovonicsbroadcast com 661 ...

Страница 2: ...Basics 10 Locked Menus 11 Tuning the Receiver 11 The Service List 12 The Component List 13 Identifiers 12 Carrier Strength and Alarm 13 Signal Quality Readouts 13 Program Audio Metering 14 The Audio Loss Alarm 14 The DAB Loss Alarm 15 Headphone Volume 15 Audio Output Levels 16 Dynamic Label 16 PTY 16 Sample Rate 17 Bit Rate and Gain 17 Audio Mode 17 continued 2 Service Mode 17 Protection Info 17 C...

Страница 3: ...e When issued free firmware updates are easily installed in the field 4 Product Specifications Tuning Range DAB Band III Mode 1 174 928MHz 239 200MHz all EBU sanctioned frequency allocations Blocks 5 12 A D plus Block 13 A F Antenna Input 75 ohm BNC Sensitivity 10µV for error free reception Audio Codecs MPEG 1 Audio Layer 2 MP2 HE AAC AAC Audio Response 0 25dB 20Hz 20kHz Signal Parameters Displaye...

Страница 4: ...n process Not only does registration assure coverage of the equipment under terms of the Warranty printed inside the back cover of this manual but the user automatically receives any specific service and modification instructions and firmware updates Register online at www inovonicsbroadcast com productRegistration Mounting The INOmini 661 DAB DAB Monitor Receiver is packaged in a compact clamshel...

Страница 5: ...anual covers the easy setup and programming in structions Headphone Jack The front panel mini phone jack will accommodate stereo headphones of virtually any impedance with a 3 5mm stereo plug When headphones are plugged in the LCD menu will 8 automatically switch to the HEADPHONE VOL screen where you can adjust the listening volume with the knob Once you have set this to a comfortable level push t...

Страница 6: ...om If you have not yet set up the unit for use one or more of the DAB LOSS LOW SIGNAL and AUDIO LOSS alarms may begin to flash soon after the receiver is powered up If you push or turn the knob you will get a few seconds breather from the flashing enough time to navigate to any of the setup menus Of course once a station has been tuned in properly the alarm condition will be reset Whenever you are...

Страница 7: ...ows the Ensemble Label a service name common to all broadcasts sharing this transmission chan 12 nel If the Ensemble Label overruns this 11 character dis play area it will scroll to reveal the complete text The FQ bargraph gives a rough indication of FIC Fast Information Channel Quality a representative measure of overall recep tion integrity The Service List Menu Screen 2 On Menu Screen 2 push th...

Страница 8: ... Readouts Menu Screen 6 SN is a first order approximation of the signal to noise quality of the demodulated program with respect to total channel noise This measurement takes into account fac 14 tors that involve multiple channels and other interference factors The metered range is 0dB to 20dB CN is the OFDM carrier to noise ratio This defines the dy namics of the OFDM subcarrier group signal leve...

Страница 9: ...Vol will blink and the panel knob may be adjusted for a comfortable listening level The LCD also shows an arbitrary numerical value and a bar graph representation of the headphone volume Once vol ume is set push the knob to save the preference to memory and to return the LCD to the last menu displayed 16 Audio Output Levels Menu Screen 10 Audio output levels may be set independently for the rear p...

Страница 10: ...o verify the codes against the lists in each case 18 Time and Date Menu Screen 20 This screen presents the time and date that is embedded in the transmission plus the offset from Universal Coordinat ed Time UTC at the transmission location The INOmini 661 does not correct the display to show local time if the reception location is in a different time zone HIDDEN MENUS The INOmini 661 also has sett...

Страница 11: ...ings back to the normal op erating menu tree navigate back to Hidden Menu 1 show ing 661 Firmware and push the knob 20 Section IV UPDATING FIRMWARE Firmware Files INOmini 661 firmware updates are issued at no charge whenever operating features are changed or added These are small bootloader files in a zipped format that will be available as downloads on the Inovonics Website The first step is to c...

Страница 12: ...For these reasons and also because of the small format of this manual we have dispensed with schematic diagrams servicing instructions and a listing of component parts Nevertheless our policy has always been one of full disclo sure We feel that unless we are doing something either nefarious or in the interest of national security there should never be a reason to hide information from the user Wit...

Страница 13: ... 23 This is a blank page 24 This is a blank page ...

Страница 14: ...as been removed or altered III TERMS OF WARRANTY Inovonics Inc products are warranted to be free from defects in materials and workmanship A Any discrepancies noted within THREE YEARS of the date of delivery will be repaired free of charge or the equipment will be replaced with a new or remanufactured product at Inovonics option B Parts and labor for factory repair required after the three year Wa...

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