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CX3

USER’S GUIDE

CX-3

Flight Computer

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Summary of Contents for cx-3

Page 1: ...CX3 USER S GUIDE CX 3 Flight Computer...

Page 2: ...ed Warranty 18 Appendix B Updating the CX 3 Firmware 19 Appendix C CX 3 Backup Procedure 20 Saving Data 20 Restoring Data 20 Appendix D Abbreviations Guide 21 CONTENTS Introduction 1 Keypad 2 Screen O...

Page 3: ...ow the procedure outlined in Appendix C on page 20 to back up and restore memory Ergonomic design The CX 3 features a simple keyboard and slim design The non slip cover protects your computer inside a...

Page 4: ...ed display screen and menu structure The advantages of such a keypad are twofold A calculator with 35 keys is simpler to use than one with 50 or more and it is small enough to fit in a shirt pocket Bo...

Page 5: ...lobal values if more than one leg is added to the trip SCREEN OVERVIEW The status bar at the top of the screen includes the name of the current menu function display time and battery indicator Below t...

Page 6: ...and will continue running even with the calculator turned off The CX 3 contains a single clock representing Coordinated Universal Time UTC also known as Greenwich Mean Time GMT or Zulu time There are...

Page 7: ...ions each can be considered a row Enter up to two cargo station locations and three custom fields available for various other required stations Note that all unsolved data fields must contain a value...

Page 8: ...for a solution This allows for chains of problems where a value that is an answer in one function will be automatically entered as input in a succeeding function If a function is repeated any and all...

Page 9: ...47 MB To convert 50 U S gallons to liters scroll down to Vol and press until L is displayed The answer is 189 27 L To convert 9 5 U S gallons per hour to liters per hour scroll down to Rate and press...

Page 10: ...air temperature is 82 F and the dew point is 38 F Solution Press the key Scroll to Cloud Base and tap enter You are prompted for the outside air temperature OAT Press and tap enter You are then promp...

Page 11: ...ivil Aviation Organization ICAO has established standard conditions for temperature and pressure You can enter an altitude Alt in the StdAtmos function and obtain the outside air temperature OAT press...

Page 12: ...input 1 14 38 HMS Dur and then and tap enter to input 9 5 U S GPH Rate The display will show 11 82 U S GAL VOL Fuel Rate The Fuel function calculates the fuel rate Rate from the amount of fuel Wt con...

Page 13: ...ival submenu Press to enter 2 5 HR Dur then and tap enter to set 9 30 00 UTC Dep The display will show 12 00 00 UTC as the ETA FLT 1 0 3 3 5 0 9 0 FLT 3 0 0 0 0 5 GLIDE Glide can compute the horizonta...

Page 14: ...m function converts a course from From a location into the course to To the same location along the same radial providing the reciprocal of any number Problem What is the course TO the VORTAC if you a...

Page 15: ...ap enter Press and tap enter to input the distance of 92 3 NM then and tap enter to input the true course of 288 then and tap enter to input the true airspeed of 110 KTS then and tap enter to input wi...

Page 16: ...irection is 140 at 5 KTS 3rd LEG SOLUTION The blue circle on the left side of the screen indicates inputs for Leg 2 Press and tap enter to input the distance of 84 2 NM then and tap enter to input the...

Page 17: ...ft off The CX 3 is conventional regarding mathematics The computer performs the four standard arithmetic operations addition subtraction multiplication and division as well as the square root function...

Page 18: ...IN CG 92 72 IN WEIGHT AND BALANCE The CX 3 performs all of the calculations necessary for proper aircraft loading The first four items in the Wt Bal menu are used to define the moment reduction facto...

Page 19: ...using this function This function can also be used to find the change in CG or Arm from adding or removing weight Problem Find weight of the item Item Wt that must shift to move the CG to a desired l...

Page 20: ...ts flush The cover will only press on in the correct direction LIMITED WARRANTY Aviation Supplies Academics Inc ASA warrants this electronic computer Model Number CX 3 to the original purchaser for a...

Page 21: ...e and may take several seconds Once it successfully downloads the bootloader will load the new firmware into flash memory and reset the device Note at this point the BOOTLOADER hard drive will disappe...

Page 22: ...he file DATA CX3 to somewhere on your computer to save your user data 5 Eject the CX 3_DATA thumb drive from your computer and disconnect the micro USB cable RESTORING DATA 1 Turn the CX 3 on 2 Attach...

Page 23: ...descent Glide Dist gliding distance GMT Greenwich Mean Time GS ground speed GW gross weight Hdg heading HWnd headwind IAlt indicated altitude Lat latitude LMAC leading edge mean aerodynamic chord Lon...

Page 24: ...tion Supplies Academics Inc 7005 132nd Place SE Newcastle WA 98059 3153 www asa2fly com Visit the ASA website www asa2fly com CX3 for any manual revisions firmware updates technical support and FAQs f...

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