# 4.5 Other

|               |                                                                                                                                                   |
| ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| Buzzer Setup  | Turns the device sounds on or off, including the key sound and alarm sounds.                                                                      |
| LCD Backlight | Always on, always off, or turn off after 15 seconds without operation.                                                                            |
| LCD Contrast  | Adjust the contrast value between black text and background from 1-10​ (the higher the number, the higher the contrast). The default value is 4​. |
| Version Info. | Displays device firmware and hardware versions.                                                                                                   |