SkyView - Dynon Avionics

SV-D700 / SV-D1000 Installation and ConfigurationFormatExample messageALT, space, five altitude bytes, carriage returnALT 05200[CR]Table 11–Icarus FormatUsed byBaud rate 1200FormatExample messageDYNON CONVERTERDynon Encoder Serial-to-Parallel Converter, Garmin AT (formerly UPSAviation Technologies)#AL, space, +/-sign, five altitude bytes, T+25, checksum, carriage return#AL +05200T+25D7[CR]Table 12–Dynon Serial-to-Gray Code Converter FormatPer ATC/FAA requirements, SkyView’s serial encoder output reports pressure altitude, which,by definition, is indicated altitude when the baro is set to 29.92. So, when you set SkyView‘sbaro adjustment to 29.92, its indicated altitude will match the altitude that is being reported toyour transponder.Dynon SV-XPNDR-26X TransponderIf you are using a Dynon SV-XPNDR-26X Transponder, none of the above options need to be setfor the Dynon SV-XPNDR-26X module to receive pressure altitude. Instead, when theTransponder is set up as described in the SV-XPNDR-26X Installation, Configuration, and Testingsection, it is automatically configured to receive pressure altitude from SkyView. Alternatively,systems that require the use of an external altitude encoder can be configured per thefollowing section to have SkyView pass along an external pressure altitude source.External Serial Altitude Encoder SupportSome locales may require the use of a certified altitude encoder with the Dynon SV-XPNDR-26XTransponder. SkyView supports external serial altitude encoders that use Icarus/Garminformat. When one is connected, the SV-XPNDR-26X uses the external altitude encoder datasource instead of SkyView’s own ADAHRS-generated pressure altitude. However, the altitudedisplayed by SkyView on the PFD page is ALWAYS sourced from SkyView ADAHRS data.To have SkyView use an external altitude serial encoder as the pressure altitude source for theSV-XPNDR-26X:1. Wire a SkyView serial receive line to the respective serial transmit connection from theserial altitude encoder. If you have multiple SkyView displays, the serial transmit wirefrom the external serial altitude encoder should be connected to SkyView serial receivewire to each display in parallel.2. Ensure there is a shared ground between the D700/D1000 and the serial altitudeencoder.SkyView System Installation Guide - Revision J 4-13