- On the SPECTROGRAM FOR DATE page, use the control panel
on the left to change the settings for the production of the spectrogram.
- Click on UPDATE to update the display with the settings you chose.
If the time period you chose does not contain data, the program will look for
the next available time period for that day.
- Click on PREVIOUS to view a spectrogram of the previous block of
available data.
- Click on NEXT to view a spectrogram of the next block of available
data.
- Smaller images will reduce waiting time to load the image. You can use
a larger image for the final display.
- Image may be saved to your local hard disk by right clicking on it
and selecting the Save Image As ... for Netscape or
Save Picture As... for Microsoft Internet Explorer option.
Make sure you enter a PNG (Portable Netwrok Graphics) image name. The Save
Image window will display a file name that is strange, enter your own file
name, ending it with '.png'.
- NOTE: On some
systems/browsers, whenever the produced image is redrawn (open frame in new
window, resizing the window,clicking the BACK Button, Save Image,
etc.), the image may have to be recreated again. Please limit your usage of
these options to get maximum performance of this service.
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