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Using the FTPJPG Application
The FTPJPG application installs on a Windows PC and automatically retrieves Observer images
from an FTP server. These images are displayed and stored on the computer. In this manner the
images captured by the Observer IV camera are collected, presented to the user, and archived for
latter retrieval.
Installation
The FTPJPG application must be installed on a computer with Internet access. A computer with
only dial-up modem access will have difficulty retrieving pictures rapidly. The application is
installed by clicking on the ‘FTPJPGReaderInstall’ file on the accompanying CD. Lesson seven
in the “Observer IV Quick Start Guide” provides an introduction to the capabilities of this
software.
Configuration
Launch the application by clicking on the FTPJPGReader icon. Use the File->Configure menu to
configure the application. The frequency with which the application checks the FTP server for
new images is set here. This rate should be at least twice as often as the fastest delivery of
images by a camera. If a camera updates its image once an hour, set the update period to 30
minutes or less. If a camera is set for continuous operation, select Continuous mode. With this
setting the application will check for new images 3 to 4 times per minute.
Checking the “Alert when image
refreshed” box will cause an
audible annunciation to occur each
time a new image is retrieved from
the server. The image can be
displayed at its original size
(Actual Size) or can be sized by the
user (Fit to Window). Checking
the “Archived Path” box will cause
each picture to be saved in a folder
specific for that camera. The
archive path to these folders can
also be defined. If the “Archive
Path” is not checked the images
will be displayed only and not
retained. “FTP Timeout” values
are used for special applications
and generally should not be
changed. Once all the selections
have been made click OK.
Selecting images for retrieval
Use File->FTPJPG menu selection to define which images will be retrieved by the application.
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