All the links added into the program can be checked by following ways:
Manually: by clicking
toolbar button or by double-clickig on the link you need to check.
Automatically: by scheduler, with specified frequency (can be changed in
"Link properties | Sheduler | Auto-checking settings"
). Note: Link auto-checking must be enabled (the
"Link properties | Sheduler | Allow to auto-check this link"
checkbox must be marked).