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Trio Pro Pilot Manual 4.1 
 

53

Alternatively, if your cruise groundspeed is typically less than 150 knots, or if you do not mind the higher 
bank angles at the higher groundspeeds, you may want to select the 

MANUAL 

mode.  In the 

MANUAL

 

mode you can set the maximum turn rate to a fixed limit.  It is adjustable from 1 degree/sec to as high as 
3 degree/sec, in increments of 1/10

th 

degree/sec.   

 
To set the 

TURN RATE

 selection, perform the following steps: 

 

1. Enter 

the 

CONFIGURATION SETTINGS

 menus as detailed previously and select the 

MAX 

TURN RATE

 menu. 

2.  Press and release the 

HMODE

 button.  The arrow will 

be placed at the 

AUTO

 (

MAN

) field 

3.  Rotate, or press the encoder to change the selection 

between 

AUTO

 and 

MAN

 

4.  If a manual rate is desired, select the 

MAN

 field and then press and release the 

HMODE

 button. 

You may take this number as low as 1 degree/sec, but be advised that this will result in very slow 
turns and autopilot performance may be unacceptably 
sluggish.   If 

AUTO

 is desired, select 

AUTO

 then 

proceed to step 6 

5.  With the arrow selecting the manual rate, rotate the 

encoder to select the desired rate 

6.  Press and release the 

HMODE

 button.   

 

The 

MAN TURN RATE

 procedure is complete and the encoder can now be used to select another menu 

screen. 

Circle Last Waypoint Setting 

This selection allows you to either home to the last waypoint in a flight plan or GOTO waypoint, or to 
track outbound from the last waypoint.   
 

 

If the option is set to 

NO

, the Pro Pilot will track directly outbound from the last waypoint in a 

flight plan, or the GOTO waypoint.  The waypoint identifier will be placed in the lower left display 
line upon waypoint passage and will flash for 10 seconds to indicate passage.   

 

 

If the option is set to 

YES

, the Pro Pilot will turn the aircraft to effectively “home” to this last 

waypoint.  Both modes remain in their respective states until the 

HNAV

 mode of the Pro Pilot is 

changed, or a new waypoint is selected. 

 
To set the

 CIRCLE LAST WPT

 selection, perform the following steps: 

 

1. Enter 

the 

CONFIGURATION SETTINGS

 menus as 

detailed previously and select the 

CIRCLE LAST 

WPT?

 screen. 

2.  Press and release the 

H MODE

 button.  The arrow 

will be placed at the 

YES

 (

NO

)  field 

3.  Rotate, or press the encoder to change the selection 
4.  Press and release the 

H MODE

 button.   

 

The 

CIRCLE LAST WPT?

 procedure is complete and the encoder can now be used to select another 

menu screen. 

Vertical Navigation Servo Deadband 

The 

VNAV

 servo deadband may be tailored to optimize vertical tracking performance for the particular 

airplane.  The factory setting of 6 is normally optimal for most application.  Lowering this number will 
increase the tracking resolution of the system, while raising the number will have the opposite effect.   
 

Содержание Pro Pilot

Страница 1: ...Ope P eration Tri Pro n and o Avion o Pi Instal nics Corp ilot lation poration t n Manu n ual Version n 4 1...

Страница 2: ...wing exceptions The stack mount Pro Pilot requires an external power switch or breaker The stack mount Pro Pilot does not include a slip skid indicator Copyright 2019 Trio Avionics All Rights Reserved...

Страница 3: ...Switch 15 The Display Arrow 15 H MODE Encoder Functions 16 1 Display Data Fields 16 2 Scan Mode 16 3 Top Line Data Selection 16 4 Track Offset Position TOP Control 16 5 Ground track Adjustment 16 6 D...

Страница 4: ...mand Steering PCS 31 Chapter 8 Vertical Operation 32 Vertical Navigation V NAV 32 Altitude Hold ALT HLD 32 Setting Vertical Speed SET VS 33 Altitude Pre Select Function ALT SEL 34 Entering the Current...

Страница 5: ...in Setting 59 Vertical Navigation Gain Settings 59 Vertical Navigation Servo Deadband 59 Vertical Trim Motor Speed Direction 60 Trim Setting Example 61 Chapter 13 Fuel Preferences Menu 62 Changing Fue...

Страница 6: ...Setup 73 Installing a Servo 73 Servo Mounting Hardware 75 Selecting a Site for the Servo 75 Positioning the Servo Crank Arm 76 Install the Servo Pushrod 76 Setting Servo Override Force Slip Clutch 77...

Страница 7: ...play Screen H MODE Pushbutton V MODE Pushbutton Slip Skid Indicator Rotary Encoder And Pushbutton V MODE LEDs H MODE LEDs H NAV Horizontal Navigation Activates Deactivates Roll Servo V NAV Vertical Na...

Страница 8: ...Instructi ertial rate sens vigation functi or navigation wing leveler s simple as a allow the pilo Modes em comprise directed flight t directed hea rplane back to 180 degree co es the GPS d automatic...

Страница 9: ...e heading information for the aircraft s ground track This mode is useful for avoiding restricted airspace weather oncoming air traffic and following ATC directed vectors In this mode the rotary encod...

Страница 10: ...to the left The course will change by 1 degree per click of the encoder or if rotated briskly will change the course by several degrees during rotation In the Intercept INT mode the intercept angle t...

Страница 11: ...rtical rate in feet per minute and preselect a target altitude An additional pilot controlled steering capability allows the pilot to choose airspeed instead of vertical speed for the climb descent by...

Страница 12: ...end to a pre selected a target altitude Press V MODE to advance to Altitude Select ALT SEL Rotate the encoder knob to select target altitude Set the desired climb or descent rate by rotating the encod...

Страница 13: ...rcraft altimeter which has been previously adjusted to the reported barometer setting Once the Pro Pilot altimeter has been adjusted pressing the encoder knob will enable the navigation screen Operati...

Страница 14: ...lso prov matic roll servo on instructions ttons election of the t mode during H MODE swit S INT and each mode ate until valid the pilot may ugh TRK to C witch election of the de set mode V MODE switc...

Страница 15: ...user may wire a separate remote disconnect switch for independent control of each servo See the wiring diagram in the back of this manual Rotary Encoder Pushbutton Switch The black knob in the center...

Страница 16: ...d The turn coordinator information is not provided in the scan mode however it is available in the upper right field see Function 5 below Exit from the scan mode is accomplished by double clicking the...

Страница 17: ...the encoder will initiate the function NOTE The servo must be engaged by pressing the V NAV button for climb or descent If engaged the flashing LED s will confirm the execution of the commands 2 Activ...

Страница 18: ...before a fli RS mode cap he TRK or IN he pilot may u entered the T and activated will display the rify agreemen ove actions c gage the auto oblem do no apter ht Pow hed when po logo screen on or alti...

Страница 19: ...pter 7 BARO SET Screen When the Logo screen expires after a few seconds the BARO SET screen will be seen No functions will be available until the altitude value is set and the encoder is pressed The v...

Страница 20: ...h NMEA data output generally updates once every two seconds while an Aviation Data Link updates once every second BTW is the exact magnetic bearing from the current aircraft position to the next GPS r...

Страница 21: ...data fields displayed are GS Groundspeed closure speed to the destination waypoint ETE Estimated time en route in hours and minutes format ETe Estimated time en route in minutes and seconds format RN...

Страница 22: ...is limited to a maximum value of 999 miles Waypoint The waypoint identifier currently programmed as the TO waypoint is presented in this field Up to six alphanumeric characters are available for this...

Страница 23: ...n 90 degrees from the current waypoint is selected No pilot action is required SPD The SPD warning field is presented to the pilot when the parameters in the GPS data stream indicate a condition that...

Страница 24: ...ing a heading bug in a traditional system keeping in mind that you are selecting a course over the ground and not a magnetic heading Initially when entering this mode the course and track will be iden...

Страница 25: ...CRS and TRK fields are once more the same The distance right or left of the desired track is indicated in the XTK field in the top right line and is preceded by a left or right pointing apex or which...

Страница 26: ...led while in the INT mode the current track over he ground is automatically entered as the commanded intercept angle Forcing a Track Offset Position TOP With the advent of highly accurate GPS navigati...

Страница 27: ...do After three seconds the following will occur The servo will be energized if off and the wing leveler function will engage The upper right display line will read TRN 180 The lower right display line...

Страница 28: ...T from your present position the pilot would utilize the Direct To feature of the GPS receiver The Pro Pilot would then track directly to the desired WPT and then begin following the courseline During...

Страница 29: ...ER either left or right to maintain the desired heading Course Mode Example As the flight progresses the destination Class B airspace is entered after getting the appropriate clearances Flying along o...

Страница 30: ...play The XTK label changes to intercept distance IDS and the value in the IDS field is 4 1 miles This display indicates that you are in the intercept mode correcting to the left and you are 4 1 miles...

Страница 31: ...nimum of 5 seconds to engage this feature Holding for less than 5 seconds will cause the servo to disconnect and it will have to be re engaged by pressing the H NAV and or the V NAV button on the cont...

Страница 32: ...ot is in the Altitude Hold mode Rotating the encoder knob will then adjust the altitude up or down by about 5 feet per click on the encoder Rotate clockwise to go up and rotate counterclockwise to go...

Страница 33: ...ay choose via a CONFIGURATION setup menu to have the PCS mode climb and descend on airspeed instead of vertical speed This will allow the ability to maintain a specific airspeed during climb or descen...

Страница 34: ...r descending Rotating the encoder knob while on the SET VS screen will cause the Pro Pilot to increase or decrease the climb or descent rate For instance if you are descending toward a destination air...

Страница 35: ...be set to be as close to the actual airfield elevation as possible in feet This will assure that the internal Pro Pilot system altimeter will agree closely with the aircraft altimeter that has also b...

Страница 36: ...e climb descent to altitude will be at the rate that was entered If no vertical rate was entered the default rate specified in the CONFIGURATION menu will be automatically used The display screen will...

Страница 37: ...pitch servo is equipped with the optional auto trim feature it will automatically re trim the aircraft Changing the Destination Altitude If the pilot wishes to change the destination altitude once set...

Страница 38: ...the target altitude of 7 500 feet as shown and press the encoder knob to enter this value If the encoder is not pressed the value will not be entered Notice that the ALT SEL LED also illuminates as w...

Страница 39: ...ED and ALT SEL LED will extinguish and the ALT HLD LED will illuminate Note While in a climb descent to a target altitude the display will normally show the VS screen indicating the climb or descent r...

Страница 40: ...safety reasons the pilot should consider a single remote disconnect button to disconnect both servos with a single click While provisions has been made for two remote disconnect buttons that will all...

Страница 41: ...ertified WAAS receiver such as the Garmin 400W 500W series to be able to fly the vertical profile of an approach Garmin WAAS receivers also provide guidance for the Pro Pilot to fly procedure turns an...

Страница 42: ...ns to track the Aviation Data AVLINK or NMEA 0183 signal that it receives on the RS 232 data input line If the pilot presses the H MODE button the Pro Pilot will enter the Course CRS mode and the blue...

Страница 43: ...he aircraft intercepts the descent line The GPSV LED will glow steadily The autopilot V MODE indicator will automatically change to the AS VS mode AS VS LED will illuminate and begin the descent The d...

Страница 44: ...connect the autopilot data inputs to each alternative signal source provided It is common to have a handheld backup GPS receiver for use in the event that the primary receiver fails In the event that...

Страница 45: ...urns and flies directly to KANEC We now slow the aircraft to approach speed When we arrive at KANEC and begin the turn toward JABAL still in ALT HLD the GPSV LED begins to blink indicating that the de...

Страница 46: ...shown on the autopilot display screen will bring up the displays as shown below Each fuel display will remain viewable for a 5 second period before timing out and returning to the normal autopilot dis...

Страница 47: ...ead The button must be pressed while the warning is present on the screen Once it has been acknowledged it will not appear again The fuel USED will accumulate until reset by the pilot If desired it ca...

Страница 48: ...MODE button will activate the cursor and place the triangular arrow on the screen indicating the display values can be adjusted or changed Rotating or pressing the encoder will change the screen sett...

Страница 49: ...will operate in a safe flight regime when the autopilot is operating the control systems Minimum and maximum airspeeds are selected by the pilot by manually flying the aircraft to the airspeed desired...

Страница 50: ...ft is established in the climb slowly retard the throttle until the airspeed decays to the minimum airspeed that you have previously set The display should flash the message MIN AS LIMIT Check to be s...

Страница 51: ...s setting both the servo zero position and the direction of rotation of the H NAV servo The proper direction of rotation of the servo and the initial zero point must be assured Initially the screen wi...

Страница 52: ...the ALTITUDE HOLD mode will become active To set the AS or VS selection perform the following steps 1 Enter the CONFIGURATION SETTINGS menus as detailed previously and select the AS VS SELECT menu 2 P...

Страница 53: ...Waypoint Setting This selection allows you to either home to the last waypoint in a flight plan or GOTO waypoint or to track outbound from the last waypoint If the option is set to NO the Pro Pilot wi...

Страница 54: ...se the H MODE button The arrow will be placed at the rate setting field 3 Rotate the encoder to change the selection 4 Press and release the H MODE button The VNAV SERVO DB procedure is complete The e...

Страница 55: ...N SETTINGS menus as detailed previously and select the RESTORE DEFAULTS mode 2 Press and release the H MODE button The arrow will be placed at the ALL setting field Press the encoder knob to activate...

Страница 56: ...n The cursor will wrap around from the last character position on line 2 to the first character position on line 1 H or V MODE button Terminates writing to the screen and removes the cursor from the s...

Страница 57: ...ngs Available In the Preferences Settings Menu BACKLIGHT and DISPLAY SET Sets the brightness levels if the remote dim isn t used CONTRAST ADJUST Sets the contrast for the LCD display DISPLAY BRIGHT SE...

Страница 58: ...the H MODE button The arrow will be placed to the left of the BACKLIGHT SET value 3 Rotate the encoder to change the value 4 Press and release the H MODE button to advance the cursor to the CONTRAST...

Страница 59: ...T TIME in nautical miles It is informational only and cannot be reset The values are saved once each minute during flight in nonvolatile memory Horizontal Navigation Gain Setting See Chapters 11 and 1...

Страница 60: ...rotation of the trim servo must be assured To set the speed of the trim movement and direction perform the following steps 1 Enter the CONFIGURATION SETTINGS menus as detailed previously and select th...

Страница 61: ...0 kts since the trim movement is more sensitive at higher airspeeds In this example the pilot enters A trim movement TL of 18 very fast trim response The low air speed LAS setting 100 kts A trim movem...

Страница 62: ...coder will update the FUEL ON BD amount by adding 20 gallons to the total Topping Fuel Tanks Pressing the H MODE button again will allow the user to quickly enter the amount for full fuel Pressing the...

Страница 63: ...ED on the CAL K FACTOR screen shown below Fly the aircraft until most of the fuel has been used The FUEL USED field on this screen will now show the amount that the computer believes was consumed Then...

Страница 64: ...play selection The TOTAL FUEL USED value that is used to calibrate the K Factor is not affected by this setting Note that the PREFERENCES menu ZERO FUEL USED menu will still zero both the FLT FUEL USE...

Страница 65: ...d the sweet spot for your aircraft where it holds the course best These settings are saved in non volatile memory and need not be adjusted again The three adjustable parameters that are available to t...

Страница 66: ...ther menu screen NOTE While viewing the calibration screens you cannot change from the Track mode to the Course mode or visa versa This is because the HMODE switch is devoted to gain adjustment while...

Страница 67: ...erwise continue with step 3 3 Press and release the H MODE button The arrow will be placed at the VS vertical speed gain value To adjust this value rotate the encoder to increase or decrease the displ...

Страница 68: ...he normal autopilot functions Here you should place the autopilot in the Track TRK mode by pressing the H MODE button sequentially to illuminate the TRK LED and allow the aircraft to stabilize on the...

Страница 69: ...to be tailored to your individual airplane The factory setting is a nominal value which should give good performance in most airplanes The HNAV servo gain is used to increase or decrease the overall...

Страница 70: ...imbing at 500 fpm the VS gain should be increased If the system has the auto trim option it may present excessive out of trim messages during the climb or descent again indicating that the gain may ne...

Страница 71: ...he control stick or instrument panel Trim Messages With the autopilot active when the elevator is out of trim a small flashing arrow will appear in the bottom R H corner of the display to indicate tha...

Страница 72: ...tem is engaged and commanding the Auto Trim to run the electric trim motor it will display a small flashing triangle on the lower right side of display indicating the direction of the trim correction...

Страница 73: ...a s vos Activatio onged operat r aircraft bell ge a distance lish this by m apter 1 Serv atures ngaged positio rotates freely vo is engaged Disengaging and disengage alling a remote Installation o te...

Страница 74: ...control of the that under an xtreme turbule URE NO POS ase If you h ll Trio Avionic d screws are ach particular panying the c e control surf m carefully ch e servo trave rcraft contro d by rod end b...

Страница 75: ...with two rod end bearings Typically one of these connects to the servo crank arm and the other is connected to the aileron or elevator bell crank When the servo is connected to the control system it s...

Страница 76: ...ce For a com holes in the pl ure o mounting p en the servo is minate on a co keep the pus e pushrod rota movement of in the syste nts if there is e servo rema d is secured b ank Arm e servo when m to...

Страница 77: ...he servo cra l crank that is orce Slip W nt to the servo thout factory a e or unsafe fli gned to strip if e to free the c due to misal input Push control system of the control direction t their neutra...

Страница 78: ...n irection the system s omplished wh you replace a L setting and orrect the airc elf centering d be centered m n ut inside the s he servo clutc H NAV or V NA crank arm sh to override the t will give g...

Страница 79: ...nertial components to bias to their zero position For H NAV settings if the aileron center number in the H NAV setup configuration is near the extremes of 6000 or 9000 it might be necessary to check t...

Страница 80: ...een lost In this instance the Pro Pilot will continue to keep the wings level and continue using the barometric data for altitude control but has no lateral navigation information NO FLT PLN GPS is av...

Страница 81: ...Trio Pro Pilot Manual 4 1 81 Chapter 20 Wiring Diagram...

Страница 82: ...t may take up to 3 seconds for the Pro Pilot to identify and lock to the new data source Installation 2 In an installation which only has one ARINC source and a backup GPS receiver such as a handheld...

Страница 83: ...nections to the EFIS are not connected when the backup GPS receiver is chosen as the data source NOTE The diagrams above show just two examples of many possible equipment configurations You may get ad...

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