manual

I/O devices and external head amps

Reference Manual

166

I/O DEVICE HA window

Displayed when you press the rack in which the I/O device on the head amp side is mounted.

You can remotely control the head amp of the I/O device from the QL series console by using

the on-screen knobs and buttons or the [TOUCH AND TURN] knob on the top panel.

1 +48V MASTER

Indicates the on/off status of the I/O device’s master phantom power. (Switching this on

or off is performed on the I/O device itself.)

2 +48V button

These switch phantom power on/off for each channel.

3 GAIN knob

Indicates the gain of the head amp on the I/O device. To adjust the value, press the knob

to select it, and then use the [TOUCH AND TURN] knob. The level meter located at the

immediate right of the knob indicates the input level for the corresponding port.

4 GC button

Switches on or off the Gain Compensation function that maintains a consistent signal

level on the audio network.

5 FREQUENCY knob/HPF button

These controllers switch on or off the high-pass filter built into the head amp of the I/O

device, and adjust its cutoff frequency. If you press and select the FREQUENCY knob, you

can make adjustments using the [TOUCH AND TURN] knob.

6 Displayed port switch tabs

These tabs switch the port that is displayed in the I/O DEVICE HA window.

7 GC ALL ON button/GC ALL OFF button

Switch Gain Compensation on or off for all input channels simultaneously.

8 GC indicator

Indicates the fixed gain value output to the audio network if the Gain Compensation

function is turned on.

 Remotely controlling from the input channels

To remotely control the I/O device’s head amp from an input channel of the QL series console,

operate the GAIN/PATCH window for the channel for which you want to control.