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Events within Webcam32 such as uploading an image via FTP or saving an image locally to disk are time based.  This means that when Webcam32 is started and configured, it performs no actions by itself until either an interval has passed or an absolute time has arrived.

Interval Timers

Interval timers are used within Webcam32 for

• FTP Upload by interval
• Local Image file save
• AVI recording

An interval timer asks Webcam32 to perform an action at set, periodic intervals.   For example:

• Webcam32 can upload a new image to a Webserver using FTP every 30 seconds - this is an interval timer set to 30 seconds which has an action of uploading an image.
• Webcam32 can save a new image to disk using Local Save every 5 seconds - this is an interval timer set to 5 seconds which has an action of saving an image to disk.
• Webcam32 can save a new frame to an AVI file, 5 times a second - this is an interval timer set to 200 milliseconds (1/5 of a second) which has an action of adding an image to an AVI file.

All the interval timers in Webcam32 can be set independently and have no relationship to each other.

Absolute Timers

Absolute timers work on absolute times of day or week instead of relative, repeating times like interval timers.  There are two absolute timers in Webcam32.

• Dialup Timer - The dialup timer specifies times of the day when a network dialup should occur, an image be FTP uploaded and then the dialup be disconnected.
• FTP Timer - The FTP timer specifies times of the day when FTP uploads should occur on a pre-existing network connection.  The FTP timer is identical to the Dialup Timer with the exception that no network dialup should be attempted.

If either of the absolute timers are enabled, the interval timer for FTP upload is disabled.

For additional information, please see:

• Information on Absolute Timer settings
• Information of FTP settings
• Information on Dialup Settings