To save settings you have to log-in in the IVAO Network.
Also, after that you will see real names of pilots and controllers (instead of IVAO VID`s only).
Click Login button in the top right corner to get authorized.

Initially Open Timetable:
Timezone in Timetable:
My Airlines, ICAO-code:
My Airport, ICAO-code:
My Country, ISO-code:
My ATC Region, ICAO-code:
Show Country Flags:
Remember the Previous Value:

If you have any questions regarding Timetable`s work feel free to contact me.