The JobTrack diary is by default the first page you see when you login into JobTrack normally
[your can change this default page by editing your user settings . . SETUP > USER DETAILS].
If the diary page is left open and your diary is shared with other users, the system will check for new appointments every 15 minutes
[this time can be changed by editing your user settings . . SETUP > USER DETAILS].
To add or edit an appoinment, simply click on the required day's button. If you have been authorised by other users, you can look at their diary and add/edit items [select the required user's email address from the drop down list. The 'Select another user' drop down will only be shown if at lease one other user has allowed you to edit their diary].