Dynon Avionics SkyView System Installation Guide User Manual

Page 216

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Autopilot Servo Installation, Configuration, and Calibration

10-20

SkyView System Installation Guide - Revision S

The default descent vertical speed parameter is specified in the units set in the Measurement
Units Menu (i.e., feet per minute or meters per second; reference page 3-8 for more
information regarding configuring the measurement units). The default value is 500 feet per
minute.

To adjust the default descent vertical speed:

1. Go to the Pitch Axis Default Descent Vertical Speed Adjust Page (SETUP MENU >

AUTOPILOT SETUP > PITCH AXIS > DEFAULT DESCENT VERTICAL SPEED).

2. Adjust the default descent vertical speed.
3. Press ACCEPT to save the value or press CANCEL to return to the Pitch Axis Menu.

Maximum Airspeed

If the AP is engaged and the Maximum Airspeed limit is changed to a value that is
lower than the current airspeed, the AP will immediately act to reduce the airspeed
to the new maximum airspeed setting, and may do so aggressively. Dynon
recommends that this setting only be adjusted with the AP disengaged.

The pitch axis maximum airspeed parameter is the highest airspeed at which the pilot may
engage the autopilot. If the autopilot is engaged at the time the aircraft’s airspeed exceeds the
maximum, the autopilot enters an airspeed hold mode and pitches the aircraft up to prevent
increasing airspeed. SkyView simultaneously indicates that the aircraft has exceeded the
parameter by displaying SPD indicators in the Top Bar as illustrated in Figure 70.

Figure 70 – Top Bar SPD Indicator

If the aircraft’s altitude rises above the target altitude bug and the autopilot cannot pitch the
aircraft down without going above the maximum airspeed, SkyView presents the prompt:

Figure 71 – Top Bar Airspeed High Indication

The maximum airspeed parameter cannot be set to a value above 95% of Vne, which should be
set to the specifications of your aircraft in the Airspeed Limitations Menu (reference page 5-10
for more information) and is specified in the units set in the Measurement Units Menu (i.e.,
miles per hour, knots, or kilometers per hour; reference page 3-8 for more information
regarding configuring the measurement units). As mentioned previously, the maximum value
for this parameter is 95% of Vne. This is also the default value.

To set the maximum airspeed:

1. Go to the Pitch Axis Maximum Airspeed Adjust Page (SETUP MENU > AUTOPILOT SETUP

> PITCH AXIS > MAXIMUM AIRSPEED).

2. Adjust the maximum airspeed.
3. Press ACCEPT to save the value or press CANCEL to return to the Roll Axis Menu.

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