AutoPatch 8Y-XL Setup Guide download pdf (Page 57)

Adjusting Gain

Gain is the ratio of a signal’s output level to input level and is usually

measured in decibels (dB). Adjust gain to equalize signal levels so you

have the same output level on all signals, no matter what their initial

input levels are.

Gain control on audio and video output signals is standard in the 8Y-XL.

However, you can also order audio and video input boards with gain

control.

At the factory, inputs and outputs are set to unity gain (overall gain of 1

dB). An extender board that makes the gain adjustment pots accessible

and a gain adjustment tool are shipped with the 8Y-XL in the master

enclosure’s shipping box.

When adjusting gain, you will work with switching boards, daughter

boards, and an extender board. The switching board links the daughter

board to the main components of the matrix, and the daughter board

holds signal connectors and gain adjustment pots. The main function of

the extender board is linking the daughter board to the switching board

while you adjust gain. During normal operation the daughter board is

attached to the switching board and the extender board is in storage.

Installation and Setup Guide 9-1

Adjusting Gain

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AutoPatch 8Y-XL Setup Guide Page 57