Inovonics JUSTIN 808 Скачать руководство пользователя страница 16 | Manualshive

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This will instantly jump the applied delay to the correlated de-

lay time, obviating a long wait, but this will be audible on-air.

SWITCH TO THE WEB INTERFACE

You are now at liberty to switch over to the JUSTIN 808 Web in-

terface using a computer, tablet or mobile device that is

on the

same network

.

Navigate to

Setup

/

Network

/

IP Settings

and enter the

IP:

ad-

dress shown there into your browser address bar. Remaining

setup of the JUSTIN 808 will be easier using the Web interface,

although the front-panel OLED display, knob and

BACK

button

may still be used for any setup option.
This completes Quick-Start setup. Refer to the appropriate

pages in this manual for setting up alarms, email and SMS/text

notifications, plus other important features and options that

have not been covered here.

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Содержание JUSTIN 808

Страница 1: ...JUSTIN 808 HD Radio Alignment Processor Installation User Guide www inovonicsbroadcast com ...

Страница 2: ...dio Technology is manufactured under license from iBiquity Digital Corporation U S and Foreign Patents apply HD Radio and the HD and HD Radio logos are proprietary trademarks of iBiquity Digital Corporation ...

Страница 3: ...Rev 1 0 0 0 Inovonics Inc 5805 Highway 9 Felton CA 95018 Tel 831 458 0552 Fax 831 458 0554 Register online at www inovonicsbroadcast com PRODUCT REGISTRATION RECORD JUSTIN 808 Serial No _____________ Purchase Date _____________________ Warranty Registered Web Reg Date __________ By ____________ ...

Страница 4: ... Dissipation Radio Frequency Interference RFI AC MAINS CONSIDERATIONS 8 Mains Voltage Selector Mains Fuse Power Cord Brownout Detection CONNECTIONS 9 Antenna Input AES Program Audio Loop Through Network Port GPIOs Section III QUICK START SETUP CONSIDERATIONS 11 Preferred Installation in the HD1 Airchain Alternate Installation in the Analog FM Airchain Navigating the Menus De Emphasis DETERMINE THE...

Страница 5: ...ay Correction Options The Delay Correction Rate Jump on Boot PROGRAM LEVEL CORRECTION 22 Measuring Loudness Enabling AGC AGC Rate Automatic Phase Correction Level Correction History DATA LOGGING 24 The Overview Screen Refreshing the Screen Detail View Statistics Events Saving the Log TIME SPENT 26 ALARMS AND NOTIFICATIONS 26 False Alarm Guards Enable Alarms FM Audio Loss HD Audio Loss AES Audio Lo...

Страница 6: ...atus General Purpose Outputs GPO BALLGAME MODE 36 INSTANT JUMP 37 AES PASS THROUGH 37 SNMP OPERATION 38 SNMP Overview SNMP Mode SNMP Security SNMP Ports SNMP Traps The MIB File ADMINISTRATIVE SETTINGS 39 Front Panel Password Web Interface Password Ballgame Mode Password Lost Password Hard Reset Hardware Profile Firmware Updates Headphone Volume About Section V APPENDIX THE FRONT PANEL MENU TREE 43...

Страница 7: ...ms ac tuate rear panel tallies and the JUSTIN 808 can dispatch these as SMS text or email messages The unit logs all errors and can generate a graphical display of timing correction over an ex tended time period Features Leading features of the Inovonics JUSTIN 808 include Direct off air reception no dependence on other equipment AES3 digital audio pass through with failover relay bypass A choice ...

Страница 8: ...U meters display FM HD1 and AES loop through program audio levels Delay Metering A segmented LED display shows FM HD1 alignment 5 and 5 samples Software Control The IP network port enables complete remote setup and operation of the JUSTIN 808 over a local network or the Internet using any desktop tablet or mobile browser SNMP SNMP remote monitoring and control is supported MISCELLANEOUS Headphone ...

Страница 9: ... 7 BLOCK DIAGRAM ...

Страница 10: ...of vertical rack space We recommend using plastic or fiber washers to protect the paint ed finish around the mounting holes Heat Dissipation With roughly the same energy consumption as a CFL porch light the JUSTIN 808 itself generates negligible heat and thus has no noisy internal fan and associated filter to change The unit is specified for operation within an ambient temperature range extending ...

Страница 11: ... CONNECTIONS Antenna Input The antenna input for the internal off air receiver is a 75 ohm F connector To operate at the peak of its autocorrelation per formance the JUSTIN 808 requires a solid incoming RF signal devoid of multipath artifacts Installed at a studio location a rooftop antenna aimed at the transmitter is recommended But when the unit is co located with the transmitter a short length ...

Страница 12: ...r that par ticular input These inputs have internal pull up resistors to the 5V supply An Active Low selection would normally be looking at an open circuit and activated by applying a ground An Active High selection means that the input would normally be grounded and activated when the ground was removed The GPI Type field allows assignment of the specified input to engage either the Ballgame Mode...

Страница 13: ...that the JUSTIN 808 can also do whatever small amount of audio level correction may be necessary to give FM and HD the same apparent loudness when the receiver fades between reception modes Alternate Installation in the Analog FM Airchain The alternative installation places the JUSTIN 808 in the FM airchain where it can provide all or part of the 8 seconds of diversity delay adjusting overall dela...

Страница 14: ...given above decide whether the JUSTIN 808 will serve you best in the preferred HD1 airchain program signal path per the following diagram or in the analog FM airchain program signal path as shown below CONNECTION AND PRELIMINARY SETUP 2 Connect your receive antenna and loop AES audio through the JUSTIN 808 as determined in Step 1 Apply AC mains power but DO NOT MAKE A NETWORK CONNECTION AT THIS TI...

Страница 15: ...rrect date and local time will NOT be displayed at the bottom of the OLED screen at this point The JUSTIN 808 de pends on an Internet time provider for the proper logging and messaging of alarm events 6 Now plug in the network cable and set up the networking pa rameters Navigate to Setup Network IP Settings Set the se lection to DHCP for automatic IP address assignment by your router or to Static ...

Страница 16: ...network Navigate to Setup Network IP Settings and enter the IP ad dress shown there into your browser address bar Remaining setup of the JUSTIN 808 will be easier using the Web interface although the front panel OLED display knob and BACK button may still be used for any setup option This completes Quick Start setup Refer to the appropriate pages in this manual for setting up alarms email and SMS ...

Страница 17: ...he front panel menus parallel the Web interface menus that will be referenced here so this menu listing is a good reference for basic understanding of the unit JUSTIN 808 REMOTE ACCESS NOTES To access the JUSTIN 808 on a common local network LAN just enter its IP address into your browser s address bar But to address the JUSTIN 808 from outside your LAN from the Internet the unit must have a stati...

Страница 18: ...here are three popular forwarding service providers available on the Internet Their basic service all you really need is nor mally free of charge but advanced features might command a nominal annual fee All services require registration on the ap propriate Website Under the Dynamic DNS menu the factory default selection in the Mode field is Disabled Click this field for a drop down list to choose ...

Страница 19: ... the timeout mode Check the box to Dim the display after the timeout interval or uncheck it Dim so that the display turns completely off The Timeout period maybe set in 5 minute in crements between five and sixty minutes Headphone Jack The front panel headphone jack accepts any quarter inch TRS stereo plug and can drive headphones of any impedance When a plug is inserted into this jack the front p...

Страница 20: ...her hand will lead the other two by the 8 seconds of delay that is characteristic of the HD Radio encoding and decoding process Each of these meters has an accompanying AUDIO LOSS indicator which in dicates loss only if the alarm for that function has been ena bled however See ALARMS AND NOTIFICATIONS on Page 26 These three level readouts also appear with better resolution on the Now Playing page ...

Страница 21: ...o the program audio and perform a cross correlation in much the same manner as a human operator This requires a very sophisticated mathematical process implemented with dig ital signal processing DSP algorithms The time required for autocorrelation is dictated in large part by the 8 seconds of delay inherent in the HD Radio system and further aggravated by the degree of time misalignment be tween ...

Страница 22: ...kes note of whether the HD1 leads or lags the analog FM Delay History Scrolling down this menu reveals the Delay History plot This screen shows 10 minutes of history both the measured and applied delays The upper plot showing measured delay is further broken down into the yellow Inst instantaneous measurement and the integrated blue Ave averaged value Inst represents fluctuations in the measure de...

Страница 23: ... Meter PPM a widely used system for au diting a listening audience to determine market share The PPM depends on a subliminal family of audio tones buried in and masked by program content Any change in the frequency of these tones renders the system useless The JUSTIN 808 corrects for FM to HD1 misalignment by slowly moving the audio in time This creates a frequency shift much as a moving train whi...

Страница 24: ...n automatically correct for up to 6dB loud ness difference between the FM and HD1 programs but only when it is connected in line with the processed AES digital au dio feeding HD1 programming into the exciter or exporter It would not be possible to control the level of the FM airchain signal as the FM audio processor would negate any level change in the signal feeding it and changing the level afte...

Страница 25: ... say that the two programs will be phase coherent at all frequencies the fact that one program utilizes analog transmission with pre and de emphasis and the other has an all digital path makes this improbable Separate audio pro cessing systems even further smear the phase relationship be tween programs But with all variables considered the absolute phase between programs normal vs reversed will be...

Страница 26: ...l notifications for data logging and for the alarm log depends on Internet time and with the proper time zone offset entered This procedure was detailed on Page 13 Step 6 Please make sure that the current local time is displayed by the JUSTIN 808 Short term time alignment and program level logging have been introduced as histories of these two metrics But a long term log of delay errors is created...

Страница 27: ...ctory default but you can turn any or all of them off For example turn the Events plot off if its descriptive text for noted events clutters the graph so that a trend in the delay alignment cannot be seen easily You can zoom in on the Detail View plot by dragging your cursor in that display in the same manner as for the Overview plot If you happen to expand a section in which the data had no chang...

Страница 28: ...n your computer For the current day up to the present time or for any day specified in Select Day at the top of the window just click Download date and follow any prompts that your computer gives you TIME SPENT This utility gathers in formation concerning what portion of the JUSTIN 808 s total op erating time is spent performing the neces sary functions This is displayed as a form of pie chart wit...

Страница 29: ...m has independent trigger and reset time intervals as well These two features guard against false alarms and help ensure legitimate ones Enable Alarms Keep in mind that these alarms are not enabled as a factory de fault and even the front panel indicators will not signal a fault condition until that alarm has been turned on either through the front panel menus or the Web interface The alarms will ...

Страница 30: ...io Loss Alarm Considerations The three audio loss alarms are peak responding to program material but with a slow fallback They will register even the briefest program peak but that peak will take approximately a full second for the measured value to drop 20dB This has implication with respect to setting the thresholds and alarm on off times Most contemporary radio programming will maintain program...

Страница 31: ...any normal signal fading as a result of atmospheric effects The Mute Function As already mentioned an FM receiver will generally output a high level of FM inter station hiss when no carrier is received This would prevent an FM Audio Loss alarm in the event of a total transmitter failure The JUSTIN 808 incorporates a mute function that automatically squelches the off air FM audio for a Low Signal c...

Страница 32: ... robust de spite its power subservience to the analog FM carrier Yet it retains the character istic of any digital go or no go situation Hits on this alarm may be correlated with the HD bargraph on the front panel OLED Tuner menu or with the Digital Quality numeri cal readout on the Web interface Now Playing screen Alignment Out of Range This alarm triggers when FM to HD1 alignment exceeds a prese...

Страница 33: ...panel GPIO General Purpose In Out port terminal block The GPOs outputs are simply identified 1 through 5 and must be assigned their function and logic polarity through the Setup General Purpose Output menu using either the Web interface or in a very similar manner from the front panel OLED menu screen Polarity GPOs are open circuit in one condition and an NPN transistor saturation to ground in the...

Страница 34: ...08 alarm can be programmed to dispatch an SMS text or email message when the alarm is triggered Multi ple recipients may each subscribe to any or to all alarms Setting Up SMTP The JUSTIN 808 becomes as an email client program when sending alarm notifications and must be set up properly first in that regard This is done most easily using the Web interface through Email Preferences off the Main menu...

Страница 35: ...nit this email originated from Frequency 88 10 MHz IP Address 192 168 0 151 Hostname JUSTIN808 The alarm log is 11 full Texting to Mobile Devices SMS text messaging that is sending alarms directly to a cell phone number is done in the same manner The cellular carri er can supply instructions for addressing text messages from email accounts to a 10 digit mobile phone number on their sys tem Assigni...

Страница 36: ...ther spreadsheet program and a but ton to Clear Alarm Log Keep in mind that clearing the log will sabotage any daily weekly or monthly automatic downloads that have been programmed for email SMS text recipients Clicking the Alarm Log bar will bring up an on screen listing of all alarms logged since the log was last cleared Just as with Data Logging these Alarm Log data are downloaded from the JUST...

Страница 37: ...el OLED menu screen Polarity GPIs are pulled up to an internal 5V rail Click the Polarity as signment area to toggle between Active Ground and Active Open When Polarity is set for Active Ground a ground applied to the associated rear panel terminal will enable the selected function An Active Open must normally be held to ground and then opened to select the function Type Two functions are programm...

Страница 38: ...me broadcast would not go over well with those listening in the stands But at least the corresponding delay necessarily introduced in the analog FM broadcast channel can be returned to real time There are a number of options associated with this function which is a separate Ballgame Mode submenu under Setup The Ballgame Mode may be activated by one of four means 1 Manually from the front panel und...

Страница 39: ...gnment error can be quite lengthy especially given con straints imposed by Nielsen PPM performance A jump provi sion has been included that allows an instant delay correction to occur immediately after the JUSTIN 808 has correlated the delay offset Instant Jump is found under Setup and offers a manual means of affecting this instantaneous delay offset correction As long as Status indicates that co...

Страница 40: ... Only allows the JUSTIN 808 to be inter rogated by the SNMP Manager so that the various alarms can be integrated with other equipment on the network Setting the Mode to Read Write allows the SNMP Manager to send commands to the JUSTIN 808 essentially putting the JUSTIN 808 under total remote control by other station equip ment SNMP Security SNMP Communities serve as passwords for this function Go ...

Страница 41: ...ing a Front Panel password here will inhibit any navigation of the OLED menus until the password is entered on the JUSTIN 808 front panel using the Back button and knob A default dis play of measured and applied delay time will be the only local viewing option Push the front panel Back button and the dis play will change to Locked and then show the password entry screen Use the knob to select al p...

Страница 42: ...llgame field This allows a person to be responsible for turning the Ballgame Mode on and off but denies access to other JUSTIN 808 setup parameters That person would type the IP address of the JUSTIN 808 into a browser followed by ballgame htm For example 192 168 0 122 ballgame htm Lost Password Hard Reset To recover control of the JUSTIN 808 if the password is lost you must do a hard reset of the...

Страница 43: ... user settings Updates are issued as small bin files which may be downloaded to your computer Desktop or placed in any convenient folder From the Firmware Update utility at the bottom of the Admin screen click Select Firmware File and then navigate to the downloaded file and double click it This will transfer the file updater as shown here Click Update Firmware and follow prompts to complete the p...

Страница 44: ... 42 since the last Hard Reset In addition clicking Check for Updates will take you to the Inovonics Website and any information regarding new options available for your unit ...

Страница 45: ...aph display FM HD Measurements FM HD Radio Time Measured Delay Samples display of delay offset in number of samples Time display of delay offset in milliseconds Applied Delay Samples display of delay correction in number of samples Time display of delay correction in milliseconds Status display of current operation FM HD Radio Level HD Level measured dB level difference HD Gain dB level correction...

Страница 46: ...ays type Station displays frequency Time Date displays time and date of alarm Setup Network IP Settings Static IP or DHCP select Port set IP X X X X enter static IP address Gateway X X X X enter static IP gateway Subnet X X X X set static IP subnet DNS X X X X set static IP DNS server Hostname enter a name for your JUSTIN 808 Dynamic DNS Mode disable or select a DNS provider Host enter assigned DN...

Страница 47: ...Blend enable or disable the Ballgame Mode to follow a command embedded in HD Radio metadata Status displays current status of Ballgame Mode and source of command BG Mode Ramp Options Jump enable or disable immediate jump to zero applied delay Ramp samples second select the rate at which the delay will ramp into or out of the Ballgame Mode if Jump Is not enabled Instant Jump Delay displays the curr...

Страница 48: ... 46 ...

Страница 49: ...modification or if the serial identifi cation label has 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 will be replaced with a new or remanufactured product at Inovonics option B Parts and labor for factory ...

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