Adjusting Digital Input Gain - AMX CP-15 Instruction Manual

Adjusting Audio

Adjusting Digital Input Gain

If your system has digital input gain control, adjustments (within the gain range for the specific audio
input board) can be made at any time during normal operation. When audio is adjusted for a device on
one virtual matrix, the adjustment remains in effect for that device on all virtual matrices switching audio
signals.
Caution: We strongly recommend that digital input gain adjustments be made only by a
qualified dealer or installer.
Purpose & Uses of Input Gain
The purpose of controlling input gain (the nominal level of the signal from the source device) is to allow
source signals of various amplitudes to be equalized before they are routed and the volume is adjusted.
Equalizing source levels provides a consistent reference for volume adjustments and eliminates jumps
when routing a new source to a destination.
Typical uses for input gain adjustment include switching consumer and professional grade audio
equipment (whose levels can vary noticeably) in the same matrix switcher. Input gain adjustment is also
used for equalizing amplitudes between balanced and unbalanced source inputs.
To adjust input gain (including adjusting input gain to equalize input levels):
1.
If adjusting input gain to equalize input levels – Route a source (input) to the desired destination
(output).
2.
Press the Function Key.
The Function menu appears.
3.
Locate Adjust Audio by scrolling with the Control Dial.
4.
Press the Select Key to enter the selection.
The Adjust Audio submenu appears.
5.
Scroll to Input Gain.
6. Press the Select Key.
The system is in Input Gain Mode (the available Input Keys turn blue, and all Output Keys are
turned off).
20 CP-15 Instruction Manual