Dynon Avionics SkyView HDX - Not Powered by SV-BAT-320 Backup Battery; SV-BAT-320 Charging and Testing; Backup Battery Status

Operations if Avionics Power is Lost / SV-BAT-320 Backup Battery
SkyView HDX Pilot’s User Guide – Revision B 11-3
Not Powered by SV-BAT-320 Backup Battery
The following SkyView HDX system units are powered by Avionics power, and thus will not
function / be powered by an SV-BAT-320 Backup Battery if Avionics power is lost:
• SV-XPNDR-261/262 Transponder (transponder non-functional)
• SV-ADSB-470/472 ADS-B Receiver (ADS-B information cannot be displayed)
• SV-COM-C25/X83 COM Radio (COM radio is non-functional)
• SV-AP-PANEL Autopilot Control Panel (AP is non-functional)
• Dynon Avionics Servos (AP is non-functional)
• Heated AOA/Pitot Probe (AOA / Pitot Probe will not be heated)
SV-BAT-320 Charging and Testing
When connected, each SV-BAT-320’s charge level is automatically managed by the SkyView
HDX display it is (directly) connected to. This ensures that your SkyView HDX system has a fully
charged backup battery in case of loss of Avionics power.
To conserve your aircraft battery, the SV‐BAT‐320 is only charged when the SkyView HDX
display detects that your alternator or generator is online. Specifically, :
• If SkyView system voltage is above 12.25V: SkyView runs on Avionics power and charges
the SV-BAT-320.
• If SkyView system voltage is above 10V, but below 12.25V: SkyView runs on Avionics
power but does not charge the SV-BAT-320.
• If SkyView system voltage is below 10V: SkyView runs on the SV-BAT-320. This
discharges the SV-BAT-320.
Reference the SkyView Classic / SE / HDX System Installation Guide for more details regarding
current consumption while charging a backup battery.
Charging a completely discharged SV-BAT-320 may require up to 4 hours.
Backup Battery Status
If not manually powered off (pushing the POWER OFF button / Button 1), your SkyView HDX
display performs an automatic 30 second self-test of the battery each time:
• SkyView HDX detects that your aircraft is stationary, and
• Avionics power is disconnected from the SkyView HDX display (turn off Master switch /
breaker)
Your SkyView HDX display will prompt you to perform an Backup Battery Test when 365 days
have elapsed since the previous annual Backup Battery Test.