05. Language
Options: English, Spanish, Portuguese, Russian,
Romanian.
06. Key tone
Options: On (active function) and Off (inactive
function).
07. Volume
Options: 1 - 5.
08. Frequency
Options: 50Hz si 60Hz.
09. Format
Format SD card.
10. Reset
Return to factory values.
11. Version
Display firmware version.
13 - User manual