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CX-3

Flight Computer

Numeric keys for entering 
numbers .

Standard arithmetic operators .

Selects each of the five main 
menus .

Used to navigate through the 
menu structure .

Power to turn CX-3 ON/OFF . 
Select highlighted menu item, 
or enter current input line when 
function is requesting input . 

Favorites: sets a saved function for 
easy recall .

Changes display to the previous 
menu .

Use to access the CX-3’s 
preferences settings (Theme, 
Backlighting, Time Set, Units, 
Aircraft Profile, etc .)

BACK

SET

FLT

PLAN TIMER CALC

W/B

0

1

2

3

4

5

6

7

8

9

÷

x

+

KEYPAD

The CX-3’s simple keypad is possible because of the sophisticated 
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 . Both advantages make 
the CX-3 useful to pilots in day-to-day operations .  

Memory function for saving numbers .

Sets the current units for a given 
function .

Converts the current value into 
another unit .

Clears current input line . In calculator 
mode, clears the math completely .

Deletes the last entered value .

Separates hours from minutes and 
minutes from seconds on time 
inputs . For example, 2 hours, 38 
minutes and 45 seconds will display 
as 02:38:45 . 

Changes sign (positive or negative) 
of current input line .

Decimal point .

Activates the square root function .

Completes the calculation .

M

C

SET 

UNIT

CONV 

UNIT

BKSP

:

.

+

=

Содержание cx-3

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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