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A Little History

 

Back in the early days of FPV, in May 2007, a passionate FPVer and aerial photographer was building 

electronics to support the fledgeling hobby in the basement of his home in Switzerland.  

The equipment available for video downlinks wasn’t great at the time, so a project was started to 

help clean up these rather poor video feeds. This project never saw the light of day as the sync 

restorer that was planned (embedded processors at the time weren’t up to the very tight timing 

tolerances required), but instead turned into a ‘pixel bit-banging’ OSD, known as the ‘AeroOSD’, and 

sold under the ‘AeroPix’ brand.  

 

In the decade that has passed since that project, and many gray hairs later, the ImmersionRC team 

has been researching ways to improve the FPV experience, especially for indoor flying where 

multipathing can really ruin a great FPV day. We have driven vans loaded with test equipment into 

metal-walled exhibition halls to capture the details of what happens as our video feeds experience 

multipathing. We developed test systems that created reproducible multipathing nulls, and then 

refined algorithms to eliminate them.  

 

The rapidFIRE is the result of all of this work, and we are very proud to introduce this into the FPV 

market. We hope that it creates as much pleasure for our customers as we have had designing, 

testing it, and enjoying FPV flight with it.  

 

 

 

 

 

Summary of Contents for rapidFIRE

Page 1: ...rapidFIRE 5 8GHz Goggle Receiver Operator s Manual Rev 0 9 May 2018...

Page 2: ...r Attitude Dom HDO Included Aux Power cable for others User Interface Display 0 96 Monochrome OLED Input 5 way Joystick Integration with FatShark Channel Buttons Audible Beeper to indicate marginal re...

Page 3: ...nstructs the image with no additional latency Designed to give the best possible video quality in indoor arenas where multipathing is a big issue and also in outdoor environments where maximum video r...

Page 4: ...in most of the goggles are not happy providing enough current to power these modules Depending upon the goggles used the rapidFIRE may require an auxiliary power board in order to supply power to the...

Page 5: ...install it follow the procedure below 1 Open the head tracker bay door opposite side of the goggle from the Rx bay 2 Very carefully attach the end of the flat flex cable to the auxiliary power board a...

Page 6: ...repair centers located in the USA UK and Australia To start the process please send an email to repairs immersionrc com with the title HDO Power Modification Option 3 DIY Goggle Modification We do cr...

Page 7: ...rrent frequency band and channel Both band and channel may be changed directly from this display using the joystick without entering the menu Joystick Operation in the Main Display Channel Up Band Dow...

Page 8: ...Main Menu The main menu is navigated with the joystick and is fairly self explanatory to use Joystick Operation in the Main Display Scroll Up Scroll Left Scroll Right Scroll Down Press to select...

Page 9: ...tains access to the Spectrum Analyzer Favorites setup and Calibration Alarm Status When enabled On a tone will sound as the rapidFIRE module obtains and looses a lock on the video signal RF Mode Switc...

Page 10: ...g range with a very high gain antenna on one input select the input here On Screen Display mode Turn the rapidFIRE OSD Off show only the lock symbol or show RSSI bars Status Contains the About menu wh...

Page 11: ...d channel Note that while scanning the upper SMA connector is fixed on the current channel and the lower connector scans the band This does cause some visible crosstalk between the two modules which i...

Page 12: ...y bin is stored This mode is useful when arriving at a site to scan the band for interference before starting to fly Even interference that appears briefly will be detected and reflected in the spectr...

Page 13: ...tal that does vary in frequency slightly from device to device In addition after smashing a quad around a track for a few months the Tx side is not always as precise as it was when shipped These sligh...

Page 14: ...the Tools menu 3 Remove antennas and ensure that you are not anywhere near a transmitting video transmitter 4 Press the joystick center button when ready 5 Wait for the progress bar to complete 6 Now...

Page 15: ...e which also have the advantage of lowering power consumption and therefore fewer oops moments 10km out when the goggles start playing that annoying low battery beep rapidFIRE vs Legacy Mode The FPV w...

Page 16: ...ode for long A low module voltage normally indicates that power is being wasted internally to the goggles and causing short battery life and unnecessary heating of the goggle internals It is the Littl...

Page 17: ...ur Facebook based community hub is also a great place to ask for help facebook com groups immersionrchub Troubleshooting Problem Cause Solution Rapidfire takes a long time to lock and unlocks during s...

Page 18: ...nd sold under the AeroPix brand In the decade that has passed since that project and many gray hairs later the ImmersionRC team has been researching ways to improve the FPV experience especially for i...

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