Inovonics INOmini 674 Installation & User Manual
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Inovonics INOmini 674 Installation & User Manual

Am monitor receiver
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674
June, 2019 - Rev. 1 Firmware

TABLE OF CONTENTS

Product Description ............................................. 1
Product Features ................................................. 1
Product Specifications ........................................ 2
Unpacking and Inspection ................................... 3
Warranty Registration.......................................... 3
Mounting .............................................................. 3
AC Mains Power ................................................... 4
Battery Operation ................................................ 4
Radio Frequency Interference (RFI) .................... 4
Antenna Considerations ...................................... 4
Headphone Jack .................................................. 5
Rear Panel Connections ...................................... 5
Hey, why is the screen flashing? ......................... 7
Menu Navigation Basics ....................................... 7
Locked Menus ....................................................... 8
Tuning the Receiver .............................................. 8
Carrier Strength and Alarm .................................. 9
Mute on Low Signal ............................................ 10
Signal-to-Noise ................................................... 10
The Audio Loss Alarm ........................................ 10
Program Audio Metering .................................... 11
Headphone Monitoring ....................................... 12
Audio Output Levels ........................................... 12
Program De-Emphasis........................................ 13
Reception Bandwidth ......................................... 13
Locked Menus ..................................................... 14
Firmware Version ................................................ 14
AM Channel Spacing .......................................... 14
Alarm Polarity ..................................................... 14
Backlight Color ................................................... 14
Loading Factory Defaults ................................... 15
Returning to the Menu Tree ................................ 15
Firmware Files .................................................... 16
'Under the Hood' ................................................ 17
WARRANTY ............................................ (inside back cover)

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Summary of Contents for Inovonics INOmini 674

  • Page 1: Table Of Contents

    The Front-Panel Display and Menu Knob ... 5 Headphone Jack ..........5 Rear Panel Connections ........5 Section III - OPERATING THE INOmini 674 Hey, why is the screen flashing? ......7 Menu Navigation Basics ........7 Locked Menus ............8 Tuning the Receiver ..........

  • Page 2: Section I - Introduction

    Sensitivity/SNR: 10µV for 50dB S/N; 1mV for 60dB S/N. Product Description Audio Bandwidth: Selectable 6kHz, 4kHz, 3kHz, 2kHz (ap- The INOmini 674 is an off-air receiver for standard, medi- prox. –6dB point); see graph on Page 13. um-wave analog radio broadcasts, specifically targeting pro- fessional ‘confidence-monitoring’...

  • Page 3: Section Ii - Installation And Connection

    Warranty repair is required. Shipping damage sustained as a result of improper packing The INOmini 674 may optionally be powered by either a wet for return may invalidate the Warranty! or a sealed (gel) 12-volt lead/acid battery. The nominal in-...

  • Page 4: The Front-Panel Display And Menu Knob

    Designations are noted on the rear pan- The INOmini 674 draws 275mA. Check el and stand for Ground, +5 DC volts, the rating on the label of the power Low Signal and Audio Loss.

  • Page 5: Section Iii - Operating The Inomini 674

    By the time you’ve read this, you’ve probably already fig- strength. ured out the INOmini 674 menu for yourself, being as intui- tive as it is. Quite simply: 1) turn the knob to navigate from Once the receiver is tuned, push the knob again.

  • Page 6: Carrier Strength And Alarm

    This is actually a ‘squelch’ function that mutes the audio The RF display has no association with the dB scaling above outputs of the INOmini 674 during a Low Signal alarm con- and below the LCD window. Those dB scales are used only dition.

  • Page 7: Program Audio Metering

    knob completely counterclockwise to Off to deactivate the to the 100% point would take the meters to 0dB. At higher alarm altogether. After setting this delay time interval, audio frequencies the receiver audio response (IF bandwidth push the knob again to lock-in your setting. This action will and de-emphasis) must necessarily be factored into the cause the word Threshold to blink.

  • Page 8: Program De-Emphasis

    Audio Loss the reception bandwidth helps to reduce that annoyance. alarm. 6kHz is the closest to a “Hi-Fi” setting for the INOmini 674, but the rapid turnover and steep rolloff help preserve voice Backlight Color (Hidden Menu Screen 4) intelligibility even with the lowest, 2kHz, cutoff frequency.

  • Page 9: Loading Factory Defaults

    With that menu selected, push the knob and turn it from No Next, place the INOmini 674 in its ready-state to accept to Yes. When you then push the knob, the INOmini 674 will firmware updates. Just unplug the 12VDC power connector reboot with factory defaults.

  • Page 10: Under The Hood

    Because it is so small and lightweight, returning the INOmi- ni 674 for factory servicing is an option that we encourage. Inovonics has never considered factory repair charges a sig- nificant source of revenue, and we are confident that you will be astonished at how reasonable our rates actually are! —...
  • Page 11 (This is a blank page.) (This is a blank page.) — 19 — — 20 —...
  • Page 12 INOVONICS WARRANTY TERMS OF SALE: Inovonics products are sold with an under- standing of “full satisfaction”; that is, full credit or refund will be is- sued for products sold as new if returned to the point of purchase within 30 days following their receipt, provided that they are re- turned complete, and in “as received”...

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