NUX NAI-5 OPTIMA AIR

Reverb: One Knob Reverb effect control. It adjusts the Dry/Wet and Decay parameters. Or you can turn it OFF by tweaking to 0



IR Level: Adjusts the simulated signal (Impulse Response file) LEVEL



Select (Push to Save): In manual mode, you can choose the IR file. And you can save your customized preset by pushing the knob



Gain: Adjusts the signal input Gain level



3-Band EQ:
Bass: Adjusts the low frequency level
Middle: Adjusts the middle frequency level
Treble: Adjusts the high frequency level



IR Footswitch:
Manual Mode: Engage/disengage the selected IR file. Acoustic guitar simulation ON/OFF
Preset Mode: Bank DOWN
Also, if you are editing a preset, you can push the IR footswitch to exit without saving



AMP Footswitch:
Manual Mode: Activates the pre-amp section. When you engage the AMP, you can use the Gain and the 3-band EQ
Preset Mode: Bank UP
Also, If you are editing a preset, while you changing the preset name you can push the AMP footswitch and move the cursor to the next selection area to choose a letter, number or symbol