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| -rw-r--r-- | doc/telemetrum-doc.xsl | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/doc/telemetrum-doc.xsl b/doc/telemetrum-doc.xsl index 5c3e4c38..8f554d88 100644 --- a/doc/telemetrum-doc.xsl +++ b/doc/telemetrum-doc.xsl @@ -1087,7 +1087,30 @@ <section> <title>Graph Data</title> <para> - This section should be written by AJ. + Select this button and you are prompted to select a flight + record file, either a .telem file recording telemetry data or a + .eeprom file containing flight data saved from the TeleMetrum + flash memory. + </para> + <para> + Once a flight record is selected, the acceleration (blue), + velocity (green) and altitude (red) of the flight are plotted and + displayed, measured in metric units. + </para> + <para> + The graph can be zoomed into a particular area by clicking and + dragging down and to the right. Once zoomed, the graph can be + reset by clicking and dragging up and to the left. Holding down + control and clicking and dragging allows the graph to be panned. + The right mouse button causes a popup menu to be displayed, giving + you the option save or print the plot. + </para> + <para> + Note that telemetry files will generally produce poor graphs + due to the lower sampling rate and missed telemetry packets, + and will also often have significant amounts of data received + while the rocket was waiting on the pad. Use saved flight data + for graphing where possible. </para> </section> <section> |