The AD-1612 can output up to a maximum of five levels of comparator light and five types of buzzer sounds. The AD-1612 can display 3 colors at 5 different levels. There is a maximum of 5 types of buzzer sounds, and one type of buzzer sound can be set for each level. The volume of the sound can be easily changed with the nob.
*When the buzzer is used near the maximum sound volume, a separately sold AC adapter (AX-TB266) is required.