I Think you question was answered on the Following topic by one of our Developers. Take a look on the following link:
Hello
I think maybe you config something wrong.
First Steps:
Change the default language
Find and edit
fileadmin/styles/[style]/TemplateRessources/pageTSconfig.txt
mod.SHARED {
defaultLanguageFlag = uk.gif
defaultLanguageLabel = english
}
Change the two lines to set the desired default language.
Find and edit (or use constant editor if you need help with the values)
fileadmin/styles/[style]/TemplateRessources/constants.txt
languageLocaleStandardLang = english
languageIsoCodeStandardLang = en
Add more languages
1. Select the List module
2. Select the top level page (UID 0)
3. Click the icon and select New
4. Within the wizard select Website Language
5. Repeat steps 3 and 4 to add as much langauges as you need
6. Use constant editor, category plugin-tx_dbttv-language to set the correct values for all your languages.
If you do everything correctly Searchbox, Copyright and date will show correctly like this.

About Font-size selector you need to switch on it first.
- Login to backend and click on "Template" module at the left side.
- Click "Rootpage" at the middle side
- Choose "Constant Editor" at the select box on right side.
- Choose "PLUGIN-TX_DBTTV-TEASER"
- Search for "Switch off fontsize selector?" and select "No" and save.
