New version is available.

- support for Dreambox security features (status code 412)
- decimals in dB values
- option to set dB as default value
- channel up/down buttons on signal page
- screenshot export
- fix for screenshot on DreamOS
- allow empty username & password

Special thanks to @el bandido for input on using dB as default and @Pr2 for reporting issues.

Application is available for free download for iOS & Android devices.