Vizion Install Appendix E C180, C182-C182D, C185

floor. Continue running the harness to the pitch servo mounting location as shown in Figure 2-4 and Figure 2-5. Use self-adhesive cable tie anchors to Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 8 secure the harness where needed. The excess harness length will be trimmed and the harness terminated when the pitch servo is in place. Figure 2-4 Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 9 Figure 2-5 8. Select appropriate mounting locations for the AP Master, AP Circuit Breaker, Emergency Level and control wheel steering switches. Connect these items per the Vizion wiring diagram in the Vizion PMA Installation Guide (TruTrak Doc. 166). 8.1. All items in this step are required to be installed. The AP Master Switch, AP Circuit Breaker, and Control Wheel Steering switches must be labeled. The Control Wheel Steering Switch must be RED. 9. Connect GPS inputs per the Vizion wiring diagram in Vizion PMA Installation Guide (TruTrak Doc. 166) 10. Conduct pitot / static check of aircraft system before opening any pitot/ static connections! 11. Mount autopilot controller in panel using 4 6-32 X 3/8” screws. Connect wiring harness and connect pitot and static per Vizion PMA Installation Guide (TruTrak Doc. 166). 12. Install Vizion Limitations Placard (Trutrak P/N 8300-092) near the Vizion autopilot. A sample panel with potential placard location is shown below: Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 10 13. Reinstall the instrument panel and panel overlays. 14. Once autopilot settings are confirmed, perform autopilot system test per the Vizion PMA Installation Guide (TruTrak Doc. 166). Potential location of Limitations Placard Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 11 3. Cessna C180, C182-C182D, C185 Servo Installation 3.1. Roll Servo Materials List QTY PART NUMBER DESCRIPTION 1 8100-064 (12 Volt) OR 8100-065 (24 Volt) 60 in-lb PMA Servo 1 7200-091 C172 Roll Servo Arm 1 2520-062 41" Push Rod .5" OD Tapped 10-32 1 2510-210 0.625 L X 0.375 OD X .199 ID Alum. Spacer 1 2510-208 0.250 L X 0.375 OD X 0.250 ID Alum. Spacer 12 2510-192 Rivet MS20426A3-4 2 2510-051 Small Rod End Bearing MM-3-300 3 2500-216 8-32 x 3/8 Flat Head Socket Cap Screw SS 6 2500-122 MS21051-08 8-32 Anchor Nut 1 2500-094 AN3-17A 4 2500-081 MS35333-39 Internal Lock Washer 2 2500-076 AN960-10 4 2500-075 AN3-3A 6 2500-069 8-32 X 5/8 Screw AN526C832R10 1 2500-068 AN3-7A 2 2500-055 AN345-10 2 2500-047 AN970-3 Washer 1 2500-042 MS20364-1032 1 1450-128 18X Lower Roll Bracket 1 1450-127 18X Upper Roll Bracket 1 1420-216 Servo Bolt Pattern Plate Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 12 3.2. Cessna C180, C182-C182D, C185 Roll Servo Mounting Instructions NOTE: Apply torque seal to all bolts after final torquing is achieved. 1. The roll servo will be mounted in the left wing just forward of the inboard end of the aileron. 1.1. Begin by removing the inspection cover on the lower wing skin located forward of the inboard end of the aileron. 1.2. Figure 3-1shows the roll servo mounting location from below the left wing. Figure 3-1 2. The Cessna 18X Upper Roll Bracket (P/N 1450-127) will be mounted to the flange of the rear wing spar using 3 ea. AN526C-832R8 screws. 2.1. Locate the inboard screw hole as shown in Figure 3-2 on the upper wing skin. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 13 Figure 3-2 2.2. Drill the inboard hole only at this time with a #19 drill. 2.3. Invert the Cessna 18X Upper Roll Bracket (P/N 1450-127) on the upper wing skin and cleco the inner hole on the bracket to the hole drilled in the previous step. Rotate the bracket so that the middle and outer bracket mounting holes are aligned with the row of rivets in the rear wing spar as shown in Figure 3-3. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 14 Figure 3-3 2.4. Match drill 2 holes as shown in Figure 3-3. 2.5. Remove the Cessna 18X Upper Roll Bracket (P/N 1450-127) from the wing and deburr the mounting holes that were drilled. 2.6. Temporarily attach the Cessna 18X Upper Roll Bracket (P/N 1450-127) to the Servo Bolt Pattern Plate (P/N 1420-216) using 2 ea. AN3-3A as shown in Figure 3-4. Figure 3-4 2.7. Place the assembly shown in Figure 3-4 in the wing and cleco in place as shown in Figure 3-5. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 15 Figure 3-5 2.8. Temporarily attach the Cessna 18X Lower Roll Bracket (1450-128) to the Servo Bolt Pattern Plate (P/N 1420-216) using 2 ea. AN3-3A as shown in Figure 3-6. Figure 3-6 Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 16 2.9. Drill Cessna 18X Lower Roll Bracket (1450-128) mounting holes. 2.9.1. Align the lower bracket mounting holes with row of rivets on the lower spar flange. 2.9.2. Match drill the outboard mounting hole using a #19 bit from inside the wing. 2.9.3. Secure the outboard hole with a cleco. 2.9.4. Match drill the remaining 2 holes on the Cessna 18X Lower Roll Bracket (1450-128) installing a cleco after each hole is drilled. 2.9.5. Remove all components from the wing and debur the lower mounting holes. 2.9.6. Remove the Servo Bolt Pattern Plate (P/N 1420-216) from the Cessna 18X Upper Roll Bracket (P/N 1450-127). 2.10. Install anchor nuts in the Cessna 18X Upper Roll Bracket (P/N 1450-127) and Drill Cessna 18X Lower Roll Bracket (1450-128). Rivet 3 ea. MS21051-08 anchor nuts in place using 6 ea. MS20426AD3-4 rivets on each bracket. 2.11. Attach the Cessna 172 Roll Servo Arm (P/N 7200-091) to the 60 inch/lb PMA servo (P/N 8100-064 for 12 volt or P/N 8100-065 for 24 volt) using the provided 8-32 x 3/8” flat head screws. Use blue threadlocker (Loctite 242 or equivalent) and torque the screws to 18-20 in-lb. 2.12. Allow a sufficient service loop and trim the roll servo wiring harness to length. 2.13. Terminate the roll servo wiring harness per the Vizion wiring diagram in the Vizion PMA Installation Guide (TruTrak Doc. 166) and install the 9 Pin Connector Backshell (2100-010). 2.14. Place the Cessna 18X Upper Roll Bracket (P/N 1450-127) and Cessna 18X Lower Roll Bracket (1450-128) in the wing in approximately the final mounting position but do not secure them to the wing. 2.15. Connect the roll servo wiring harness connector to the roll servo. 2.16. Place the roll servo assembly in the wing and loosely attach it to the Cessna 18X Upper Roll Bracket (P/N 1450-127) and Cessna 18X Lower Roll Bracket (1450-128) using 4 ea. AN3-3A bolts with MS35333-39 lock washers and blue threadlocker (Loctite242 or equivalent). The next steps must be performed quickly so that the threadlocker does not begin to cure prior to final torqueing. The Cessna 172 Roll Servo Arm (P/N 7200-091) should be oriented upward between the servo stops. 2.17. Align the Cessna 18X Upper Roll Bracket (P/N 1450-127) with the holes in the upper spar and start 3 ea. AN526C-832R8 screws in the associated anchor nuts. 2.18. Align the Cessna 18X Lower Roll Bracket (1450-128) with the holes in the upper spar and start 3 ea. AN526C-832R8 screws in the associated anchor nuts. 2.19. Fully tighten the upper and lower AN526C-832R8 mounting screws. 2.20. Torque the 4 AN3-3A servo mounting bolts to 20-25 in-lb. 2.21. Remove the inspecting cover near the left aileron bellcrank. 2.22. Loosen one of the aileron cable turnbuckles to allow for easy removal and replacement of the bolt connecting the aileron cable to the bellcrank. 2.23. Remove the rear aileron cable bolt from the left aileron bellcrank and replace with hardware as shown in Figure 3-7. Torque the AN-3 bolt to 20-25 in-lb. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 17 Figure 3-7 2.24. Tension the aileron cable according to the aircraft service manual. NOTE: Proper cable tension is essential for proper autopilot performance! Use a tensiometer to verify cable tension. 2.25. Verify that aileron rigging is correct according to the aircraft service manual and adjust as needed. 2.26. Safety wire the aileron cable turnbuckle. 2.27. Fully thread an AN345-10 on a MM3-300 rod end bearing then partially thread the MM3-300 rod end bearing in one end of the 41” push rod (2520-062). 2.28. Insert the push rod assembly in the aileron bellcrank inspection hole with the rod end bearing going toward the roll servo. 2.29. Ensure that the aileron cable is not wrapped around the 41” push rod (2510- 062) then partially thread the MM3-300 rod end attached to the aileron bellcrank in the outboard end of the push rod. 2.30. Have an assistant hold the yoke in the full right position and rotate the servo arm against the outboard stop on the roll servo bracket. 2.31. Thread the MM-3-300 rod end bearing into the servo end of the pushrod until the pushrod is the correct length to align with the drive point on the servo arm. 2.32. Verify that the control cable is not twisted around the pushrod. 2.33. Attach the pushrod assembly to the Cessna 172 Roll Servo Arm (P/N 7200- 091) as shown in Figure 3-8 and torque to 20-25 in-lb. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 18 Figure 3-8 2.34. Apply blue threadlocker (Loctite242 or equivalent) to the threaded shank of both MM3-300 rod ends. Rotate the pushrod until the rod end bearings on each end are threaded in equally then tighten the jam nuts to 20-25 in-lb. 2.35. Move the yoke throughout the full range of travel and check for binding in the rod end bearings. If binding exists adjust the rod end bearings and jam nuts to eliminate it. 2.36. Ensure that aircraft stops are contacted prior to servo stops. Adjust length of pushrod as needed until servo stops are not contacted when controls are moved to both ends of travel. 2.37. Verify that the servo and pushrod motion are unobstructed throughout the full control travel. Once wiring harness is installed, ensure that the wiring harness is properly secured to prevent interference. 2.38. Apply torque seal to all bolts after final torqueing is achieved. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 19 3.3. Pitch Servo Materials List QTY PART NUMBER DESCRIPTION 1 8100-064 (12 Volt) OR 8100-065 (24 Volt) 60 in-lb PMA Servo 1 7200-112 Early Model 18X Pitch Push Rod 1 7200-106 2.75" PMA Servo Arm Assembly 1 6000-064 Sheathed Microfit 6 Pos Cable Asm 1M 10 6000-067 Self-Adhesive Cable Tie Anchor 1" Square 1 2510-081 MM-4 Rod End Bearing 1 2510-051 Small Rod End Bearing MM-3-300 3 2500-216 8-32 x 3/8 Flat Head Socket Cap Screw SS 3 2500-208 AN90-416 1 2500-205 AN970-4 Washer 1 2500-138 AN4-15A 9 2500-121 MS20365-832 8-32 Fiberlock Nut 1 2500-113 MS20365-428 1/4-28 Fiberlock Nut 4 2500-081 MS35333-39 Internal Lock Washer 2 2500-076 AN960-10 4 2500-075 AN3-3A 9 2500-069 8-32 X 5/8 Screw AN526C832R10 1 2500-068 AN3-7A 1 2500-055 AN345-10 1 2500-054 AN315-4 1 2500-047 AN970-3 Washer 1 1450-129 Early 18X Pitch Bracket Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 20 3.4. Cessna C180, C182-C182D, C185 Pitch Servo Mounting Instructions 1. The pitch servo will be mounted in the aft fuselage as shown in Figure 3-9. Figure 3-9 . 2. Remove the baggage compartment bulkhead to access the rear fuselage. 3. Remove the rear inspection cover on the bottom of the fuselage. 4. Rotate the Early 18X Pitch Bracket (1450-129) so that the long flange of the bracket is toward the left of the aircraft. Place the forward edge of the Early 18X Pitch Bracket (1450-129) 4.25” aft of station 172.00” and 2.25” left of the centerline on the lower skin inside the aft fuselage. The elevator cables provide a good reference of the centerline of the aircraft. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 21 Figure 3-10 5. Using a #19 bit match drill the lower fuselage skin to the 9 holes on the flanges of Early 18X Pitch Bracket (1450-129). After drilling each hole secure the bracket to the fuselage using a cleco. 6. Remove the bracket from the aircraft and deburr the mounting holes. 7. Attach the 2.75” PMA Servo Arm Assembly (P/N 7200-106) to the 60 inch/lb PMA servo (P/N 8100-064 for 12 volt or P/N 8100-065 for 24 volt) using the provided 8-32 x 3/8” flat head screws. Use blue threadlocker (Loctite 242 or equivalent) and torque the screws to 18-20 in-lb. 8. Remove the 2 jack screws from a 60 in/lb PMA servo (P/N 8100-064 for 12 volt or P/N 8100-065 for 24 volt) and install 2 of the hex head slide lock jack screws included in the wiring harness kit. Use blue threadlocker (Loctite 242 or equivalent) and torque the screws to 2-3 in-lb. Figure 3-11 Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 22 Figure 3-12 Figure 3-13 9. Attach the pitch servo assembly to the Early 18X Pitch Bracket (1450-129) using 4 ea. AN3-3A bolts with MS35333-39 lock washers and blue threadlocker (Loctite242 or equivalent). Torque to 20-25 in-lb. Ensure that the 2.75” PMA Servo Arm Assembly (P/N 7200-106) is orientated upward between the servo stops. Figure 3-14 10. Attach the Early 18X Pitch Bracket (1450-129) to the lower fuselage skin using 9 ea. AN526C-832R8 screws and 9 ea. MS20365-832 nuts. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 23 11. Remove the AN4 bolt securing the elevator push rod to the bottom of the elevator bellcrank and replace with hardware as shown in Figure 3-15. Figure 3-15 12. Partially thread the link sensor end of the Early Model 182 Pitch Push Rod (7200-112) in the MM-4 rod end attached to the elevator bellcrank. 13. Fully thread an AN345-10 nut on a MM3-300 rod end then partially thread the MM3-300 rod end into the forward end of the Early Model 182 Pitch Push Rod (7200-112)). 14. Have an assistant hold the yoke in the full aft position and rotate the servo arm against the aft stop on the pitch servo bracket. 15. Thread the MM-3-300 rod end bearing into the servo end of the pushrod until the pushrod is the correct length to align with the drive point on the servo arm. 16. Attach the pushrod to the pitch servo arm with hardware as shown in Figure 3-16 and torque to 20-25 in-lb. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 24 Figure 3-16 17. Apply blue threadlocker (Loctite242 or equivalent) to the threaded shank of both rod ends. Rotate the pushrod until the rod end bearings on each end are threaded in equally and the link sensor connector is pointed directly down then tighten the jam nuts to 20-25 in-lb. 18. Move the yoke throughout the full range of travel and check for binding in the rod end bearings. If binding exists adjust the rod end bearings and jam nuts to eliminate it. 19. Ensure that aircraft stops are contacted prior to servo stops. Adjust length of pushrod as needed until servo stops are not contacted when controls are moved to both ends of travel. 20. Complete routing of the pitch servo wiring harness and trim to length. 21. Terminate the pitch servo wiring harness per the Vizion wiring diagram USING OPTION B in the Vizion PMA Installation Guide (TruTrak Doc. 166) using a Right Angle D-sub 9 Pin Backshell Kit (P/N 8210-011). 22. The pitch servo connector backshell and slidelock should be assembled as shown in Figure 3-17. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 25 Figure 3-17 23. Insert and tighten the cable retention clamp on the servo connector backshell as seen in Figure 3-18. Figure 3-18 24. Connect the pitch servo connector. 25. Connect the Sheathed Microfit Cable Assembly 1M (P/N 6000-064) to the PMA link sensor (P/N 8000-177) and pitch servo (P/N 8100-064 for 12 volt or P/N 8100-065 for 24 volt). 26. Secure the Sheathed Microfit Cable Assembly 1M (P/N 6000-064) so that routing is as shown in Figure 3-19 and Figure 3-20. The cable will be secured to the pitch push rod using a cable tie. Ensure that cable is free to move as the link sensor moves through full control deflection without excess pressure on the connector. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 26 Figure 3-19 Figure 3-20 27. Verify that the servo and pushrod motion are unobstructed throughout the full control travel. 28. Replace all inspection covers, carpet, seats, and interior previously removed during the installation. 29. Reconnect the aircraft battery. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 27 3.5. Cessna C180, C182-C182D, C185 Vizion Roll IPC Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 28 3.6. Cessna C180, C182-C182D, C185 Vizion Pitch IPC Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 29 4. Cessna C180, C182-C182D, C185 Autopilot Settings Once all wiring is complete, verified, and the GPS setup has been completed (Vizion PMA Installation Guide (TruTrak Doc. 166)), follow the steps below to verify proper autopilot settings. THIS STEP MUST BE COMPLETED PRIOR TO GROUND CHECK AND FLIGHT CHECK!!! 4.1. Lateral Autopilot Settings For Vizion software version PV.30 follow the steps below: 1) PRESS and HOLD KNOB 2) Apply power to autopilot and GPS 3) RELEASE KNOB. 4) PRESS KNOB to advance to MIN BACKLIGHT 5) PRESS KNOB to advance to SETUP ENABLE. 6) ROTATE KNOB to select a value of 10. 7) PRESS KNOB to exit. 8) PRESS and HOLD MODE button until LAT ACTIVITY is shown. 9) ROTATE KNOB to select a LAT ACTIVITY of 17 10)PRESS ALT button to advance to next setup screen. 11)ROTATE KNOB to select a BAUD that matches the baud rate of the GPS (this will be either 4800 or 9600, refer to Approved GPS List (Doc 186) for information about approved GPS units). 12)PRESS ALT button to advance to next setup screen. 13)ROTATE KNOB to select a BANK ANGLE of MED. 14)PRESS ALT button to advance to next setup screen. 15)ROTATE KNOB to select a MICROACTIVITY of 10. 16)PRESS ALT button to advance to next setup screen. 17)ROTATE KNOB to select a GPSS GAIN of 16. 18)PRESS ALT button to advance to next setup screen. 19)ROTATE KNOB to set ROLL REV to Y. 20)PRESS KNOB exit lateral setup and return to the home screen. 21)PRESS and HOLD ALT button until VRT ACTIVITY is shown. 22)WHILE CONTINUING TO HOLD ALT, PRESS MODE. 23)RELEASE MODE and ALT. 24)PRESS MODE until MAC is displayed. 25)ROTATE KNOB to set MAC to 2. 26)PRESS KNOB to exit menu and return to home screen. 27)Do not remove power from autopilot. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 30 For Vizion software version PV.40 follow the steps below: 1) PRESS and HOLD KNOB 2) Apply power to autopilot and GPS 3) RELEASE KNOB. 4) PRESS ALT button to advance to MIN BACKLIGHT 5) PRESS ALT button to advance to SETUP ENABLE. 6) ROTATE ALT button to select a value of 10. 7) PRESS KNOB to exit. 8) PRESS and HOLD MODE button until LAT ACTIVITY is shown. 9) ROTATE KNOB to select a LAT ACTIVITY of 17 10)PRESS ALT button to advance to next setup screen. 11)ROTATE KNOB to select a BAUD that matches the baud rate of the GPS (this will be either 4800 or 9600, refer to Approved GPS List (Doc 186) for information about approved GPS units). 12)PRESS ALT button to advance to next setup screen. 13)ROTATE KNOB to select a BANK ANGLE of MED. 14)PRESS ALT button to advance to next setup screen. 15)ROTATE KNOB to select a MICROACTIVITY of 10. 16)PRESS ALT button to advance to next setup screen. 17)ROTATE KNOB to select a GPSS GAIN of 16. 18)PRESS ALT button to advance to next setup screen. 19)ROTATE KNOB to set ROLL REV to Y. 20)PRESS KNOB to exit lateral setup and return to the home screen. 21)PRESS and HOLD ALT button until VRT ACTIVITY is shown. 22)WHILE CONTINUING TO HOLD ALT, PRESS MODE. 23)RELEASE MODE and ALT. 24)PRESS MODE until MAC is displayed. 25)ROTATE KNOB to set MAC to 2. 26)Repeatedly PRESS ALT button until EFIS TYPE is displayed 27)ROTATE KNOB to set EFIS TYPE to: 1 – if the autopilot is connected to an ASPEN, 2 – if the autopilot is connected to a G5, 0 – if the autopilot is connected to any other GPS 28)PRESS KNOB to exit menu and return to home screen. 29)Do not remove power from autopilot. 4.2. Vertical Autopilot Settings For Vizion software version PV.30 follow the steps below: 1) PRESS and HOLD ALT button until VRT ACTIVITY is shown. 2) ROTATE KNOB to select a VRT ACTIVITY of 16. 3) PRESS ALT button to advance to next setup screen. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 31 4) ROTATE KNOB to select a MIN AIRSPD of (Refer to aircraft POH and set a value equal to 1.3 VS in knots). 5) PRESS ALT button to advance to next setup screen. 6) ROTATE KNOB to select a MAX AIRSPD of (Refer to aircraft POH and set a value equal to 0.9 VNE in knots). 7) PRESS ALT button to advance to next setup screen. 8) ROTATE KNOB to select a PITCH REV of N. 9) PRESS ALT button to advance to next setup screen. 10)ROTATE KNOB to select a STATIC LAG of 1. 11)PRESS ALT button to advance to next setup screen. 12)ROTATE KNOB to select a MICROACTIVITY of 5. 13)PRESS ALT button to advance to next setup screen. 14)ROTATE KNOB to select a HALF STEP of N. 15)PRESS KNOB exit vertical setup and return to the home screen. 16)Cycle power on the autopilot. For Vizion software version PV.40 follow the steps below: 1) PRESS and HOLD ALT button until VRT ACTIVITY is shown. 2) ROTATE KNOB to select a VRT ACTIVITY of 16. 3) PRESS ALT button to advance to next setup screen. 4) ROTATE KNOB to select a MIN AIRSPD of (Refer to aircraft POH and set a value equal to 1.3 VS in knots). 5) PRESS ALT button to advance to next setup screen. 6) ROTATE KNOB to select a MAX AIRSPD of (Refer to aircraft POH and set a value equal to 0.9 VNE in knots). 7) PRESS ALT button to advance to next setup screen. 8) ROTATE KNOB to select a PITCH REV of N. 9) PRESS ALT button to advance to next setup screen. 10)ROTATE KNOB to select a STATIC LAG of 1. 11)PRESS ALT button to advance to next setup screen. 12)ROTATE KNOB to select a MICROACTIVITY of 5. 13)PRESS ALT button to advance to next setup screen. 14)ROTATE KNOB to select desired DEFAULT VS (this is the vertical speed setting that the autopilot will use as the value to determine whether or not to synchronize to current vertical speed or synchronize to zero vertical speed, as well as the default vertical speed for altitude pre-select). For example, if the DEFAULT VS is set to 300 fpm, if the aircraft is climbing at 200 fpm, the autopilot select zero VS upon engagement. If the aircraft is climbing at 400 fpm, the autopilot will select 400 fpm upon engagement. We suggest using 300-500 feet per minute. CAUTION! Do not select a DEFAULT VS that is too high, or autopilot performance may be adversely affected. 15)PRESS KNOB to exit vertical setup and return to the home screen. 16)Cycle power on the autopilot. Rev: B Vizion Install Appendix E C180, C182- C182D, C185 TruTrak Doc: 255 32 TruTrak Flight Systems, Inc.