User manual

1. GAIN: gain control of the channel input signal. Available on all 4 mixing channels.
2. TREB: high frequency control. Available on all 4 mixing channels.
3. MID: mid frequency control. Available on all 4 mixing channels.
4. BASS: low frequency control. Available on all 4 mixing channels.
5. ALT OUT SEND: switch to send the channel to the ALT OUT mix bus. Allows to
create a sub-mix of selected channels, with independent volume control.
6. PAIR: pairing switch for Bluetooth
®
connection
7. BLUETOOTH
®
- LINE: source selector (channel 1 audio source, Bluetooth
®
or
LINE input). The LINE input features a mini-jack connector on front panel.
8. SP: signal presence LED indicator. The green LED lights up or flashes when an
audio signal is present on that channel input. Available on all 4 mixing channels.
9. CLIP: signal clipping LED indicator. The red LED lights up or flashes when the
audio signal selected on that channel is clipping. Adjust the channel GAIN.
Available on all 4 mixing channels.
10. VOLUME: channel volume. Available on all 4 mixing channels.
11. LINE A MIC LINE B: audio source selector for channels 2 and 3; LINE A input,
LINE B input or MIC input.
12. HPF: high-pass filter for MIC input, with fixed 100 Hz cut-off frequency.
13. LINE MIC: audio source selector for channel 4; MIC input or LINE input. The MIC
input features a combo connector (XLR-TRS jack) on front panel.
14. TALKOVER: channel 4 Talkover assign switch - audio signal with priority over the
main mix bus.
15. TIME: signal return time adjustment on the mixing bus. 0.3 to 3 seconds.
16. ATT: signal attenuation adjustment on the mixing bus. From 0 dB (no attenuation)
to 30 dB.
17. ST/MONO: MAIN OUT stereo/mono switch.
18. MAIN OUT VOLUME: MAIN OUT volume control.
19. MAIN OUT ALT OUT VUMETER: MAIN OUT / ALT OUT signal selector for VU-
meter LED indicators.
20. ALT OUT VOLUME: ALT OUT volume control.
21. POWER: power LED indicator.
22. PHANTOM: phantom power LED indicator.
23. PHONES VOLUME: volume control for the PHONES OUT mini-jack connector on
front panel.
24. USB CHARGE: USB connector for charging mobile devices (charge-only port, no
file reading from USB media)