If either of these keywords are wrong or missing, a warning is raised. No other checks are performed on file format or binary table coherence.
elcplot then recovers all the light curves contained in the table.
Before opening the plot, a test on the device selected (output file + device type) is performed. If the device is unavailable, the task raises a flag and exits properly.
Plots show time on the X-axis against count rates on the Y-axis. Each data point is drawn with its error bar.
The version of elcplot is also included in the bottom left hand corner.