AudioPressBox APB-320 USB-C Owner's Manual - Page 5

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APB-320 USB-C

1) XLR Input connector

Plug your microphone or line-level source into this XLR

balanced connector. You can connect any type of

condenser or dynamic microphone here or also output

from a mixing console.

(Pinout: 1-Ground, 2-Hot, 3-Cold).

2) Phantom power switch with indicator

If you are about to use a condenser microphone, turn the

Phantom power switch ON to feed your microphone with

48V. If you use dynamic microphone or microphone with

his own power, you can switch this OFF.

3) Mic/Line Input switch

26dB PAD – input sensitivity selector. If you are using

microphone as an input, this lever should be set to "Mic"

position. If you are using Line input e.g. output from the

mixing console, please set this switch to "Line" position.

In the Line position the Phantom power is automatically

turned OFF.

4) Input Gain knob

You can set the input signal gain depending on the

connected audio source to reach the optimal output

level. You can check the signal level on the Level

indicator (5).

5) Input Level indicator

Displays the input signal level. To achieve nominal output

level, set the Input gain (4) so that the LED "OK" will be at

least blinking.

6) Power supply connector

Plug the Power adaptor cable here. Please use only

power adaptor supplied with AudioPressBox unit.

7) Power switch

With the power switch, you can turn your

AudioPressBox® ON or OFF. When AudioPressBox® is

turned on, Power indicator lights green.

8) Battery and Charge Level indicator

When APB is turned ON and is running on battery, the

Battery indicator lights blue. Then the Charge indicator

indicates the actual battery charge level in percent.

When APB is turned ON and plugged to the mains, the

battery is being charged and the Battery indicator is off.

In this case the Charge indicator indicates a charging

process.

9) Mic/Line Output Switch

Output PAD. Each output is switchable between Mic and

Line output level.

Nominal Mic level: -20dBu / Nominal Line level: +6dBu