Installation guide
Autopilot Servo Installation, Configuration, and Calibration
SkyView System Installation Guide - Revision R 10-13
Note that the kit contains 20 feet of wire of each color, which should be sufficient for most
servo installations. Also note that the white/blue, white/green and blue, green wire
combinations come pre-twisted.
Remember to configure the network after connecting all modules to a display.
A few customers have reported that after installing Dynon servos, noise is heard in
the intercom system whenever the servos operate. Such noise can be eliminated
by connecting an electrolytic capacitor between the Red wire (+ terminal of the
capacitor) and Black wire (- terminal of the capacitor) at the servo. Dynon Avionics
does not supply this component. Capacitor specifications:
Type: Electrolytic
Size: 2200 uF (microfarads).
Voltage: For a 12V aircraft: 30V minimum. For a 24V aircraft: 60V minimum.
AP Disengage/CWS Button
The installation of the AP Disengage/CWS button is required.
The AP Disengage/CWS button should be in a very accessible location, usually mounted to the
stick or yoke. This button’s primary purpose is to immediately disengage the autopilot. It is also
required for autopilot calibration, control wheel steering functionality, and can be used to
engage the autopilot.
This button should be a single pole, normally open, momentary button. Verify that two
terminals of the button are shorted when the button is pressed and open (no-connect) when
the button is released. One terminal of the button should connect to the servos’ yellow wires,
and the other should connect to ground.
While not required, you may install a 4.7 - 5.3k ohm resistor across the AP Disengage/CWS
button. This allows SkyView to detect a break in this circuitry and alert the pilot if this resistor is
present in the installation. If this resistor is installed, set SETUP MENU > AUTOPILOT SETUP >
DISENGAGE BUTTON > ENABLE BROKEN LINE DETECT to “YES”.
During bootup, SkyView checks the status of the AP Disengage/CWS Button. If SkyView detects
that the button is pressed (the input is grounded) during bootup, the AP Disengage/CWS Button
is assumed to be stuck (or incorrectly installed), resulting in:
1. A CAUTION message is displayed: AP DISCONNECT STUCK, and
2. The Autopilot (AP) cannot be engaged for the remainder of the time SkyView is operational
(will be checked again at next bootup).