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AM Broadcast Receiver 

Installation & User Guide 

 

March, 2013 - Rev. 1 Firmware 

 

www.inovonicsbroadcast.com 

634 

TABLE OF CONTENTS 

Section I  -  INTRODUCTION .............................................1 

Product Description 
Product Features 
Product Specifications 

Section II  -  INSTALLATION AND CONNECTION .............3 

Unpacking and Inspection 
Warranty Registration 
Mounting 
AC Mains Power 
Battery Operation 
Radio Frequency Interference (RFI) 
Optional Active Outdoor Antenna 
The Front-Panel Display and Menu Knob 
Headphone Jack 
Rear Panel Connections 

Section III  -  OPERATING THE 634 RECEIVER ...............7 

Hey, why is the screen flashing? 
Menu Navigation Basics 
Locked Menus 
Tuning the Receiver 
Carrier Strength and Alarm 
Signal-to-Noise 
The Audio Loss Alarm 
Program Audio Levels 
Headphone Monitoring 
NRSC De-Emphasis 
Reception Bandwidth 
Channel Spacing 

Section V  -  TECHNICAL MATTERS ...............................14 

Firmware Version 
‘Under the Hood’ 

WARRANTY  ..........................................(inside back cover) 

Summary of Contents for Ino 634 mini

Page 1: ...peration Radio Frequency Interference RFI Optional Active Outdoor Antenna The Front Panel Display and Menu Knob Headphone Jack Rear Panel Connections Section III OPERATING THE 634 RECEIVER 7 Hey why i...

Page 2: ...kHz 1710kHz in 10kHz steps or 531kHz 1611kHz in 9kHz steps Antenna Input High impedance whip antenna input F phantom powered for optional active outdoor antenna Receiver Sensitivity 10 V for 50dB S N...

Page 3: ...Mains Power All Inovonics INOmini modules are supplied with an out board switching type power supply suited to the destination mains voltage As the actual power consumed by the re ceiver is 140mA at...

Page 4: ...turned to the G Ground terminal The 5VDC supplied on the 5 terminal is current limited with a 100 ohm series resistor and suitable only for optical couplers LED indicators or small reed relays The pla...

Page 5: ...he next 2 push the knob to enter any menu associated with receiver setup 3 turn the knob to set a val 8 ue and then 4 push again to accept the selection send it to non volatile memory and return to me...

Page 6: ...levels Background noise level at the receiver location is another factor to consider too Receiver AGC may bring up a distant co channel signal or random noise enough to hold off the 10 LOW SIGNAL ala...

Page 7: ...t panel jack the LCD screen automatically goes to Menu Screen 6 HEADPHONE VOL will begin blinking and the panel knob may be adjusted for a comfortable listening level The LCD shows an arbitrary numeri...

Page 8: ...nted SMD components Many of these are ap plication specific and or pre programmed at the factory but all of them are impossibly tiny This makes servicing the unit in the field a difficult proposition...

Page 9: ...15 This is a blank page 16 Nothing brilliant here either...

Page 10: ...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 d...

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