Appendix G: Sensor Debug Data
SkyView HDX System Installation Manual - Revision E 28-3
(CROSS_COUNTRY_LEG1 is user-selectable text, up to 33 characters, at time of
export.)
The Alert Data Log contains plain-text tabular data. A new record is appended each time
a SkyView alert of any kind is triggered, including audible alerts and system messages.
The Alert Data Log is useful for diagnosing alerts that automatically clear on a brief
condition, for example, oil pressure going into the red zone for a few seconds, then back
into green, and automatically clearing.
When exported, the data log is a standard CSV (comma separated value) file and can be
viewed in spreadsheet programs such as Microsoft Excel once exported from the system.
The top row of the CSV file is a header row which documents the format of the file. Each
record consists of supporting data such as time, GPS data, type of alert, the type of alert
action, and the description of the alert. The Alert Data Log is allocated 2 MB which may
be sufficient to record more than 1500 hours of operation assuming as many as 10 alerts
per hour. The Alert Data Log is not affected by the RECORD RATE setting below.
28.1.4 History Data Log
Filename format:
DATE-TAILNUMBER-SKYVIEWDISPLAYSERIALNUMBER-SOFTWAREVERSION-
OPTIONAL33CHARACTERS-HISTORY_LOG_DATA.csv
Example:
2014-08-07-N123X-SN1492-11.0-CROSS_COUNTRY_LEG1-
HISTORY_LOG_DATA.csv
(CROSS_COUNTRY_LEG1 is user-selectable text, up to 33 characters, at time of
export.)
The History Data Log is a cumulative history of files loaded onto the SkyView and other
changes mostly used for troubleshooting when requested from Dynon Avionics Technical
Support.
28.1.5 Data Logging Recording Options
28.1.5.1 Record Rate
You can choose the frequency of the data that is recorded from SkyView’s various
systems for your particular needs. SkyView can record data as frequently as sixteen (16)
times per second or as infrequently as once every ten (10) seconds. Recording more
frequently trades off the amount of time that the data log covers. If you choose once every
ten (10) seconds, SkyView’s User Data Log can store up to about 150 hours of data. At
sixteen (16) times per second, the log stores about two (2) hours of data. When the data
log fills up, the oldest data is automatically discarded to make room for new data.
Navigate to SETUP MENU > SYSTEM SETUP > DATA LOG SETUP > RECORD RATE
to choose the frequency that data is recorded to the internal User Data Log.
28.1.5.2 Clearing Data Logs
Navigate to SETUP MENU > SYSTEM SETUP > DATA LOG SETUP > CLEAR ALL
DATA to erase the User Data Log, Recent Flight Data Log, and Alert Data Log. Note that
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