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      FM/HD Radio? Monitor/Receiver

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      The INOmini 679 is Inovonics’ third-generation, small form-factor FM and FM-band HD Radio broadcast monitor receiver. It receives both analog FM and digital HD1-HD8 radio channels for confidence monitoring and delivers a high-quality audio feed for rebroadcast or program distribution throughout the broadcast facility with adjustable analog and AES digital audio outputs.

      FM RBDS and HD Radio PAD data may be called-up for display on the front-panel LCD screen.

      Strictly for professional applications, the INOmini 679 purposely does not blend between the analog FM and HD1 simulcast like a consumer radio. Tuning and mode preferences are held in nonvolatile memory and all settings are restored following a power cycle.

      These units are extremely reliable for HD Radio monitoring. We have installed a number of Inovonics tuners in recent years and we've not experienced a single problem with them. Thank you for your excellent products!

      Bob Hoffman: WXOS - Hubbard Radio St Louis, MO

      Features


      • The INOmini 679 is a sensitive, DSP-based (SDR) radio that receives standard FM analog and FM/HD Radio broadcasts.

      • Stays on-mode and on-channel through signal and power loss; does not blend between FM and HD.

      • Easy front-panel setup uses jog-wheel menu navigation with a large LCD display. Accurate, hi-res metering shows RF signal and audio levels, RBDS/PAD data and reception metrics. Critical system menus are hidden.

      • Balanced analog and AES-digital program line outputs are available simultaneously; levels are independently adjustable.

      • Flashing-red front-panel alarms and rear-panel ‘tallies’ indicate HD Reception Loss, Low Signal and Audio Loss.

      • ‘Split Mode’ audio monitoring aids transmission diversity delay setup.

      • The LCD displays RSSI, SNR, Cd/No, Multipath and HD Level metrics to help with receive antenna alignment.

      • When issued, free firmware updates are easily installed in the field.

      Specifications


      Tuning Range

      87.5MHz – 107.9MHz in 100kHz steps

      Antenna Input

      75-ohm (F)

      HD Radio? Channels

      Selectable HD1 through HD8

      Sensitivity/SNR

      10dBμV for 50dB monaural-FM S/N

      Audio Response

      • FM: ±1dB, 30Hz – 15kHz; de-emphasis is menu-selectable for 75μs or 50μs
      • HD Radio?: ±0.25dB, 20Hz – 20kHz

      FM Stereo Modes

      Stereo / Stereo Auto-Blend / Forced-Mono

      RDS Fields Displayed

      PI (and call), C/T, PTY, PTYN, PS, RT, RT+1, RT+2

      HD Radio? Channels

      Selectable HD1 through HD8

      HD Pad Fields Displayed

      HD Name/Slogan, HD PTY, FCC ID, HD Artist, HD

      Title, HD Album, HD Genre, Primary Service Mode, Coded Mode, Transmit

      Gain, Transmit Blend Control

      Program Audio Outputs

      • Balanced Analog: (XLR) Left and Right outputs are adjustable from

        –15dBu to +15dBu in 0.2dB steps.

      • AES Digital: (XLR) output at 44.1kHz is adjustable from –30dBFS to 0dBFS in

        0.2dB steps.

      • Headphone Jack: (3.5mm TRS) has adjustable listening level.

      Front-Panel Red-Flashing Alarms

      • HD Loss: Fixed metrics determine loss of HD Radio reception.
      • Low Signal: Alarm and reset trigger levels are independently adjustable relative to the FM carrier level display.
      • Audio Loss: Alarm responds to monitored service (FM or HD Radio).

        Alarm threshold is adjustable between 0dB and –40dB, and the alarm delay interval is adjustable between OFF and 120 seconds.

      • Alarm “Tallies”: Individual open-collector NPN transistor outputs to

        ground are programmable for logic polarity.

      USB Port

      The front-panel mini-USB port allows the quick uploading of firmware updates when issued.

      Power Requirement

      12VDC at 335mA; a universal 90-240 VAC inline switching power supply is included with the INOmini 679 receiver.

      Mounting Options

      An optional rack adapter accepts up to three INOmini modules in a 1U, 19-inch rack space. The 679 also may easily be fastened to any convenient surface with two small screws.

      Size and Weight

      1.6”H x 5.5”W x 5.5”D; 4 lbs. shipping weight

      Environmental

      Continuous operation at ambient temperatures between 32?F/0?C and 122?F/50?C; 0-95% relative humidity, non-condensing, altitudes to 10,000ft/3,048m.

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