1 – Microphone megaphone.

2 – Connector for 12 V DC.

3 – VOLUME: volume control

4 – Voice port operating mode selector: USB / SD, Voice or SIREN.

5 – LED: light indicator of the operating mode. It lights up red when you select the USB / SD player on the selector (4). If it reproduces audio through the auxiliary input, the indicator remains illuminated red in fixed position.

6 – M: button to select the entry you want to play. Press the button multiple times to change between the different connected inputs (USB, SD or auxiliary input).

7 – Connection port for SD memory cards.

8 – Connection port for USB storage devices.

9 – Auxiliary input, 3.5 mm jack connector.

10 – ⏮/V- / ⏭/V+: in USB / SD mode, a short press on these buttons switches to the previous song / next; a long press decreases / increases the volume. In AUX mode, a long press decreases / increases the volume.

11 – ⏯: button to start and pause playback. Note: this button only works in USB / SD mode and not in AUX mode.