ALLEN & HEATH XB-10 User's Guide download pdf (Page 22)

Allen & Heath 22 XB-10 User Guide

STEREO INPUT CHANNELS

BAL

PFL

PK !

SIG

ST1

LEV

-10

-20

-30

BAL

The balance control adjusts the relative levels of the left & right signals in

the stereo input channel as they are sent to the PGM bus. Set to the mid

position, the signals are balanced equally. With the balance control set

fully anticlockwise the right channel will be fully attenuated and the left

channel will increase by approximately 3dB.

ON (+START/CUE) switch

This mechanically latching switch operates the channel mute circuitry,

turning the signal to the PGM, ALT and Aux buses on or off.

With the button depressed the signal is routed to the PGM bus and the

pre/post AUX bus. With the button up the signal is routed to the ALT

bus and the prefade AUX bus.

The switch is illuminated green when pressed.

The ON switch also activates the START/CUE logic signals (for the cor-

responding selected input) wired to the remote interface connector on

the rear panel. This allows the ON switch to start or cue a transport

such as a CD player.

PFL Switch

The PFL (Pre-Fade Listen) switch sends the channel signal to the PFL bus and subse-

quently to the headphones/CRM speakers and the main L R meters. Used for check-

ing the audio signal before raising the level or un-muting the channel.

SIGNAL & PEAK LEDs

The Signal LED illuminates when the pre-fader signal level is above –15dB.

The Peak LED illuminates and stays on for around 0.5 seconds when a peak level is detected

(pre-fader signal) within 5dB of clipping.

Level

This control adjusts the level of the channel signal to the left & right PGM bus,

ALT bus and post fade Aux.

The left and right channels are mixed for the ALT and aux mono buses.

With the pot fully clockwise, the channel has unity gain.

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ALLEN & HEATH XB-10 User's Guide Page 22