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TruTrak Vizion PMA Autopilot, Operating Handbook

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TruTrak Vizion PMA Autopilot Operating Handbook Download Page 42

 

Rev: B 

42 

Vizion PMA Operation 

TruTrak Doc: 167 

 

ASPEN HDG Bug Mode (ARINC connection with ASPEN – if 

equipped) 

Select AP ARINC source – 

ASPEN

  

Momentarily press and release MODE button to follow heading bug / 

GPSS pass-through from Aspen.   

 

G5 HDG / ALT Bug Mode (ARINC connection with G5 – if 

equipped) 

Select AP ARINC source – 

G5

 

Momentarily press and release MODE button to follow heading bug / 

altitude bug from G5. 

 

Gyro Back-Up Mode (Bank)

 – Only with GPS failure 

Rotate knob to select desired bank angle (up to 30 degrees) 

 

Vertical Modes 

 

 

Altitude Hold Mode 

Automatically entered when target altitude is reached  

or 

1.

 

Momentarily press and release ALT button 

2.

 

Momentarily  press  and  release  knob  (without  adjusting 

target altitude) 

 

 

Altimeter/Barometer Sync – MUST BE DONE PRIOR TO 

ALTITUDE SELECT! 

1.

 

Momentarily press and release ALT button two times 

2.

 

Set altitude to match barometer corrected aircraft altimeter 

3.

 

Momentarily press and release knob 

Note: If AP connected to Aspen 1000, Aspen E5, or Garmin G5, and 

AP ARINC source switch is set to Aspen or G5, Altimeter is 

automatically synchronized to the Aspen 1000, E5, or G5 and the 

altimeter sync menu will not be available. 

 

 

Altitude Select Mode 

1.

 

Momentarily press and release ALT button 

2.

 

Select altitude, Momentarily press and release knob 

3.

 

Select vertical speed, Momentarily press and release knob 

 

Summary of Contents for Vizion PMA Autopilot

Page 1: ...Operating Handbook For Vizion PMA Autopilot TRUTRAK FLIGHT SYSTEMS 1488 S Old Missouri Road Springdale AR 72764 Ph 479 751 0250 Fax 479 751 3397 www TruTrakap com ...

Page 2: ......

Page 3: ...ight 13 4 4 1 Contrast Adjustment 13 4 4 2 Minimum Backlight Adjustment 14 4 4 3 Setup Enable 14 5 Autopilot Operation 15 5 1 Syncing the altimeter 15 5 2 Engaging Disengaging the autopilot 17 5 2 1 Engaging the autopilot 17 5 2 2 Disengaging the autopilot 18 5 3 Normal Lateral Autopilot Modes 19 5 3 1 Track Select Mode 19 5 3 2 GPS NAV Mode Portable GPS 21 5 3 3 GPSS Mode Requires IFR GPS 22 5 4 ...

Page 4: ...ode 32 6 Aspen Mode 33 6 1 1 Aspen Mode Description 33 6 1 2 Aspen Mode Use 33 7 G5 Mode 34 7 1 1 G5 Mode Description 34 7 1 2 G5 Mode Use 34 8 Safety Features 36 8 1 Emergency Level Mode 36 8 2 AEP Automatic Envelope Protection 36 8 3 Gyro Backup Mode 37 8 4 Sensor Failure Monitoring 39 8 5 Minimum and Maximum Airspeeds 39 9 Quick Reference 41 ...

Page 5: ...B 5 Vizion PMA Operation TruTrak Doc 167 1 Revisions Rev Number Notes Date Initial Manual Created 13 Jun 17 A Changed click to momentary press and release 19 Jul 17 B Added Aspen and G5 interface 19 Jun 19 ...

Page 6: ... supreme flight dynamics that were established by the Digiflight II Your new Vizion autopilot was created with both the VFR and IFR pilot in mind The new Emergency Level Mode was designed primarily for the VFR pilot that inadvertently finds himself in IMC The new Automatic Envelope Protection feature AEP will help to mitigate stall spin incidents by providing a layer of safety previously unseen in...

Page 7: ...ortable GPS units GPSS Refers to mode usage A turn anticipating navigation type that flies smooth intercepts to the next waypoint Requires an IFR GPS ASPEN HDG Refers to mode usage The autopilot is receiving and following a heading bug command from an Aspen product EXT HDG Refers to mode usage The autopilot is receiving and following an external heading bug command EXT ALT Refers to mode usage The...

Page 8: ...lso integral pieces of the autopilot system are the control wheel steering button or CWS button and the AP LVL button Most modes and features of the autopilot are accessed using MODE ALT and KNOB The display incorporates a cursor that underlines an adjustable value The cursor can be moved to other adjustable values by a momentary press and release of the KNOB The cursor moves in a counter clockwis...

Page 9: ...d the aircraft stationary during this time although it is recommended The autopilot power can be removed and reinstated during flight without causing any problems with the system Momentary power loss will also not cause any problems Autopilot type and software version is shown in figure 3a Figure 3a The autopilot and software versions are shown for three seconds after that time the display will sh...

Page 10: ... signal status is indicated in the top left corner of the display NO GPS is displayed when no valid signal is being received This is shown in Figure 4 1 1a Figure 4 1 1a A flashing period is displayed in the upper left when a GPS signal is detected but no position information is available and the words NO FIX are displayed This is shown in Figure 4 1 1b Figure4 1 1b A flashing asterisk and GPS OK ...

Page 11: ... than 10 knots and has a valid GPS fix a flashing asterisk or plus is displayed the display will show the current ground track or TRK This is shown in Figure 4 1 1e Figure 4 1 1e A flashing plus AND either an A or E is displayed when GPS flight plan information is received via RS232 AND the autopilot is connected to either an Aspen or G5 The A denotes ARINC communication with an ASPEN The E denote...

Page 12: ...his is shown in Figure 4 1 2b Figure 4 1 2b A flashing asterisk is displayed when the GPS position information is valid TRK replaces GPS OK once the aircraft has 10 knots of ground speed This is shown in Figure 4 1 2c Figure 4 1 2c A flashing plus shows when GPS flight plan information is received via RS232 or GPS Steering information is received via ARINC 429 This is shown in Figure 4 1 2d Figure...

Page 13: ... above it This indicates the need for nose up trim Figure 4 3b shows the screen with trim down annunciated Note the letters DN are shown with an arrow pointing down below them This indicates the need for nose down trim Figure 4 3a Figure 4 3b 4 4 Contrast Adjustment and Minimum Backlight 4 4 1 Contrast Adjustment The contrast adjustment allows the user to set a desired contrast level for the autop...

Page 14: ...re It is accessed after the contrast adjustment section 5 3 1 Rotate the KNOB to set the desired value Momentarily press and release the KNOB to exit the minimum backlight adjustment screen This will advance to the setup enable screen Figure 4 4 2a shows the Minimum Backlight Adjustment Figure 4 4 2a 4 4 3 Setup Enable The setup enable screen is used only by installers It has no role in the operat...

Page 15: ...wo momentary presses and releases of the ALT button when not in the altitude select setup screen Rotate the KNOB to set the altimeter to the aircraft altimeter reading in feet and then momentarily press and release the KNOB Each time the power is cycled on the autopilot the altimeter will return to an equivalent baro setting of 29 92 When the autopilot is disengaged the transition to altimeter syn...

Page 16: ...e transition from a normal autopilot engaged operating home screen TRK mode and SVS mode in this case to the altimeter sync setup screen Momentarily press and release ALT Momentarily press and release ALT Rotate KNOB then Momentarily press and release KNOB Figure 5 1b ...

Page 17: ...arily press and release the KNOB on the autopilot face 4 Using the AP LEVEL button See section 8 5 1 for Emergency Level Mode When engaged using the KNOB the autopilot will synchronize to the current ground track and the current vertical speed as shown in Figure 5 2 1a The aircraft is flying a track of 200 degrees and a positive vertical speed of 1000 fpm Figure 5 2 1a ...

Page 18: ...utopilot for 1 5 seconds 2 Momentarily press and release the CWS button 3 Removing power from the entire autopilot using the AP MASTER or AP Circuit Breaker When disengaged the autopilot will release control of both servos An example of a disengaged autopilot is shown in Figure 5 2 2a Whenever the autopilot is disengaged it will send three short tones to the buzzer if equipped Figure 5 2 2a ...

Page 19: ...d track for the autopilot to fly The selected track can be adjusted by rotating the KNOB 1 5 increments when rotating the KNOB 2 1 increments when pressing and rotating the KNOB To access the TRK mode from GPS NAV mode see section 5 3 2 or GPSS mode see section 5 3 3 momentarily press and release the MODE button on the autopilot Figure 5 3 1a shows the transition from GPS NAV mode to TRK mode Mome...

Page 20: ...ruTrak Doc 167 Figure 5 3 1c shows the autopilot in TRK mode and ALT HOLD mode see section 5 4 2 for ALT HOLD mode Figure 5 3 1c Figure 5 3 1d shows the autopilot in TRK mode and SEL mode see section 5 4 3 for SEL mode Figure 5 3 1d ...

Page 21: ...ss and release of the MODE button To access the GPS NAV mode from TRK mode momentarily press and release the MODE button Figure 5 3 2a shows the transition from TRK mode to GPS NAV mode Momentarily press and release MODE Figure 5 3 2a Figure 5 3 2b shows the autopilot in GPS NAV mode and SVS mode see section 5 4 1 for SVS mode Figure 5 3 2b Figure 5 3 2c shows the autopilot in GPS NAV mode and ALT...

Page 22: ...mentary press and release of the MODE button on the autopilot When in GPSS Mode the autopilot display will show GPSS on the display If ARINC 429 steering inputs are present GPS Nav mode will be skipped To access the GPSS mode from TRK mode momentarily press and release the MODE button Figure 5 3 3a shows the transition from TRK mode to GPSS mode Momentarily press and release MODE Figure 5 3 3a Fig...

Page 23: ...S mode and SEL mode see section 5 4 3 for SEL mode Figure 5 3 3c Figure 5 3 3d shows the autopilot in GPSS mode and GS ARM mode see section 5 4 6 for GS ARM mode Figure 5 3 3d Figure 5 3 3e shows the autopilot in GPSS mode and GS CPLD mode see section 5 4 6 for GS CPLD mode Figure 5 3 3e ...

Page 24: ...peed can be adjusted by a momentary press and release of the KNOB to move the cursor under the number next to SVS and then rotating the KNOB Once the SVS is selected the autopilot will continue climbing or descending at the selected vertical speed until the user stops the climb or descent Figure 5 4 1a shows the movement of the cursor from TRK to SVS Momentarily press and release KNOB Rotate KNOB ...

Page 25: ...l case of vertical speed when zero 0 is selected This is not altitude hold but will maintain zero vertical speed This mode allows the aircraft to vary in altitude and in heavy turbulence will give a smoother ride to the occupants The SVS zero mode is shown in figure 5 4 1e Figure 5 4 1e To get back to the SVS zero mode from altitude hold mode simply momentarily press and release the KNOB ...

Page 26: ...ssed from SVS SEL or GS ARM mode by a momentary press and release of the ALT button and then a momentary press and release of the KNOB The transition from SVS to ALT HOLD mode is shown in figure 5 4 2a NOTE A momentary press and release of the ALT button when in GS CPLD mode will initiate the Missed Approach see section 5 4 7 for Missed Approach mode NOTE A momentary press and release of the ALT b...

Page 27: ...opilot engaged momentarily press and release ALT rotate the KNOB to select the target altitude momentarily press and release the KNOB select desired vertical speed momentarily press and release the KNOB The sequence for entering altitude select is shown in Figure 5 4 3a 1 500 foot increments when rotating the KNOB 2 100 foot increments when pressing and rotating the KNOB Momentarily press and rele...

Page 28: ...current altitude the autopilot will enter ALT HOLD The SVS can be adjusted to ANY value during a transition even the opposite direction This may be useful when flying instrument approaches as the desired altitude can be entered and the vertical speed set to zero until time to begin the transition to the selected altitude Note that zero vertical speed will NOT keep the aircraft locked at a specific...

Page 29: ... mode is accessed by a momentary press and release of the ALT button once while the autopilot is disengaged From autopilot disengaged momentarily press and release ALT button rotate the KNOB to select the target altitude momentarily press and release the KNOB The sequence for entering an altitude pre select is shown in figure 5 4 4a 1 500 foot increments when rotating the KNOB 2 100 foot increment...

Page 30: ...o 500 fpm The vertical speed and altitude can be adjusted at any time during a transition to a selected altitude This requires simply moving the cursor which normally resides beneath the SEL track to the value to be edited To move the cursor momentarily press and release the KNOB and the cursor will move to SVS momentarily press and release the KNOB again to move the cursor to SEL altitude If the ...

Page 31: ...l speed selected section 5 4 1 or ALT HOLD section 5 4 2 selected Once ALT HOLD or zero vertical speed is selected the approach mode will automatically engage It is displayed by sequencing GS ARM initially to GS CPLD once the glide slope is intercepted on the lower right of the display Figure 5 4 5a shows the sequencing on the display Figure 5 4 5a In the event that the GPS sends out a flagged ver...

Page 32: ...ontrol Wheel Steering Mode This mode allows the autopilot to be temporarily disengaged to make a quick course change and or vertical speed change This mode is accessed by a press of the CWS switch While the switch is held the display will show the autopilot is in CWS mode and will send three short tones to the buzzer if equipped Figure 5 4 7a shows the CWS mode screen Figure 5 4 7a When the button...

Page 33: ...e a switch to select which source Aspen or GPS is feeding the autopilot 6 1 2 Aspen Mode Use To follow the heading bug GPSS pass through ensure that the ARINC source switch is set to Aspen The A should be visible in the upper left of the display as shown in figure 6 1 2a With the autopilot engaged momentarily press and release MODE the display will show ASPEN HDG The vertical axis of the autopilot...

Page 34: ...there is a GPS connected in addition to the G5 there will be a switch to select which source G5 or GPS is feeding the autopilot 7 1 2 G5 Mode Use To follow the heading bug altitude bug ensure that the ARINC source switch is set to G5 The E should be visible in the upper left of the display as shown in figure 7 1 2a With the autopilot engaged momentarily press and release MODE the display will show...

Page 35: ... the autopilot To engage EXT ALT mode set an altitude bug on the G5 press and release MODE to leave EXT HDG mode and then press and release MODE again to enter both EXT HDG and EXT ALT modes Note If the autopilot is connected to an Aspen or G5 and the display is showing the A or E next to the flashing or the altimeter synchronization will be automatic and manual altimeter synchronization is not re...

Page 36: ...re 8 1a 8 2 AEP Automatic Envelope Protection This mode serves as a passive protection system while the aircraft is being flown with the autopilot disengaged AEP monitors the aircraft bank angle if the bank angle exceeds 40 AEP will show AEP ACTIVE on the display of the autopilot as well as use the autopilot roll servo to both nudge the aircraft back to a safe bank angle and to inform the pilot th...

Page 37: ...8 3c shows the AEP OFF screen When AEP is off it will not be monitoring the aircraft bank angle and therefore will not inform the pilot of excessive bank angles Figure 8 2c 8 3 Gyro Backup Mode This mode is the lateral mode available when the RS232 signal from the GPS is lost It allows selection of a bank angle in either the left or right direction up to 30 of bank This mode is essentially a wing ...

Page 38: ...he gyro trim screen Adjust the gyro trim in the appropriate direction in 0 2 min increments Figure 8 3c shows the gyro backup mode screen and the gyro trim screen Note the autopilot may momentarily switch to the AP OFF screen while performing the press of the KNOB rotating the knob left of right will bring the normal display back into view and the autopilot will not disengage Figure 8 3c ...

Page 39: ...be cycled on the autopilot It is recommended to have the autopilot inspected before returning to service if this error occurs Figure 8 4a 8 5 Minimum and Maximum Airspeeds The autopilot includes minimum and maximum airspeed protections This prevents the autopilot from flying the aircraft into a stall or past VNE If the aircraft reaches the minimum airspeed in knots indicated airspeed with the auto...

Page 40: ...ll flash a warning on the display send one long tone to the buzzer if equipped and raise the nose to maintain the maximum setting Figure 8 5b shows the maximum airspeed display warning Figure 8 5b Once the aircraft returns above the minimum airspeed or below the maximum airspeed the autopilot will resume its previous modes before the limit was reached ...

Page 41: ...ot circuit breaker Engage Autopilot Momentarily press and release knob or Momentarily press and release Emergency Level AP LVL button Disengage Autopilot Press knob for 2 seconds or Momentarily press and release CWS switch or Remove power using Autopilot MASTER switch or Autopilot circuit breaker Lateral Modes Track Mode Rotate knob to select desired track GPS Nav Mode GPS navigators without GPSS ...

Page 42: ... target altitude is reached or 1 Momentarily press and release ALT button 2 Momentarily press and release knob without adjusting target altitude Altimeter Barometer Sync MUST BE DONE PRIOR TO ALTITUDE SELECT 1 Momentarily press and release ALT button two times 2 Set altitude to match barometer corrected aircraft altimeter 3 Momentarily press and release knob Note If AP connected to Aspen 1000 Aspe...

Page 43: ... Select altitude momentarily press and release knob 3 AP will sync to current vertical speed when engaged or default to 500 fpm if current vertical speed is less than 500 fpm Vertical Approach Mode 1 Momentarily press and release MODE button for GPSS 2 Select zero vertical speed or altitude hold must be underneath the glide slope ...

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Page 45: ...Rev B 45 Vizion PMA Operation TruTrak Doc 167 This page intentionally left blank ...

Page 46: ...TruTrak Flight Systems Inc 06 19 Printed in U S A ...

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