Installation guide
SV-EMS-220/221 Installation and Configuration    
7-58    SkyView System Installation Guide - Revision R 
  Install the GEAR contact that when the amphibious landing gear is configured for landing on 
water, the state of the contact is WATR and when the amphibious landing gear is configured 
for landing on land, the state of the contact is LAND. 
  SETUP MENU > AIRCRAFT INFORMATION: 
> LANDING GEAR TYPE: AMPHIB 
> LANDING GEAR CHECK SPEED: (set as appropriate for your plane) 
> LANDING GEAR OVERSPEED: (set as appropriate for your plane) 
  SETUP MENU > SYSTEM SETUP > AUDIO SETUP > LANDING GEAR > VOICE 
General Purpose Thermocouple 
You may configure the SV-EMS-220 to monitor two J or K type thermocouples in addition to the 
twelve thermocouples available on the SV-EMS-220’s D25 connector. Note that the SV-EMS-221 
uses these four pins for Rotax 912 is communication, and, therefore, these pins are not 
available for thermocouple use on the SV-EMS-221. Dynon Avionics does not supply a specific 
general purpose thermocouple probe for this purpose. However, our standard EGT and CHT 
probes will work, as will any other J or K type thermocouple. 
The following table revisits which SV-EMS-220 pins are compatible with general purpose 
thermocouples. 
Pin 
Wire Color 
Function 
27 
Not supplied 
General Purpose TC Input 1+ 
28 
Not supplied 
General Purpose TC Input 1- 
36 
Blue 
General Purpose TC Input 2+ 
37 
Green 
General Purpose TC Input 2- 
Table 38–SV-EMS-220 D37 General Purpose Thermocouple Pins 
If you use the second general purpose thermocouple input on pins 36 and 37, it is 
necessary to remove the blue and green wires from these pins on the EMS 37-pin 
Main Sensor Harness. 
Dynon Avionics sells both J and K type thermocouple wire which may be used to connect the 
desired thermocouple to the SkyView. Ensure you order the correct wire type for the 
thermocouple you intend to use. Crimp a female D-sub pin on the end of each wire, and plug 
them into the SV-EMS-220’s EMS 37-pin Main Sensor Harness D37. Polarity is important, so 
ensure that you are routing the positive side (yellow for K-type; white for J-type) of the 
thermocouple to pin 27 or pin 36 on the 37-pin harness, and the negative side to pin 28 or pin 
37. 










