QSC Audio CXD4.5, CXD4.2, CXD4.3 manual Amplifier Control, SEL Buttons

Amplifier Control

A	B OUTPUT C		D
MUTE	MUTE	MUTE	MUTE

LIM -10 -20

SEL SEL SEL SEL

	CLIP
	SIG
1	2 INPUT 3	4

MASTER

CONTROL

HOME

ENTER

EXIT

GAIN

ENTER Button ENTER

•Navigates into the menu structure

•Enters the edit mode for adjusting parameters

•Confirms the changes you make, and exits the edit mode.

EXIT Button EXIT

•Navigates out of the menu structure and parameter selection.

•In the edit mode, pressing EXIT reverts the value back to its prior state, and exits the edit mode.

HOME Button HOME

• If you are on the Home screen, pressing HOME displays the alternate

Home screen. Pressing HOME again returns you to the primary

Home screen.

— Figure 3 —

Off Mode

•Rear power switch is off, the amplifier is not operable. The power switch is the AC Mains disconnect.

•The power button is not illuminated.

•Turn the power switch to on. The amplifier enters the mode it was in when power was removed. The power button is illuminated based on the mode.

•If GPI is enabled, the Off Mode button is disabled.

Run Mode

•From Standby or Mute All modes, press and release the power button on the front panel.

•The power button is illuminated blue.

•The amplifier is fully operable; audio can pass.

•If GPI is enabled, the Run Mode button is disabled.

Standby Mode

•From Mute All or Run modes, press and hold the power button on the front panel for two to three seconds.

•The power button illuminates solid red.

•The front panel LCD is off.

•The amplifier is not operable; audio will not pass.

•If GPI is enabled, the Standby Mode button is disabled.

Mute All Mode

•From the Run Mode, quickly press and release the power button.

•The power button flashes red.

•The outputs are muted and amplifiers are off.

•The front panel and DSP functionality are fully operable. Any changes you make are saved and take effect in the Run Mode.

•If GPI is enabled, the Mute All Mode button is disabled.

•	If you are on a navigation screen, pressing HOME takes you to the
	home screen.
•	If you are on an edit screen, pressing HOME will confirm any value
	being edited and take you to the Home screen.

GAIN Button GAIN GAIN EN

•Pressing the GAIN button from any screen takes you to the output gain screen for the most recently accessed output channel.

•Pressing GAIN again confirms the gain change and returns to the screen you were on when you pressed GAIN.

•The Gain button illuminates green when selected.

SEL Buttons SEL SEL

•Use these buttons to navigate between input channels or output channels. For example, if you are adjusting output gain on channel A, pressing the channel B SEL button takes you to the gain adjustment for channel B.

•The SEL buttons are active only when the LCD screen is on an input or output parameter adjustment screen.

•The SEL buttons illuminate blue for output channels, and amber for input channels.

LIM LEDs LIM

•Illuminates red when the Limiter is engaged.

-10 and -20 LEDs -10 & -20

•Indicates the output level of the channel.

CLIP LEDs CLIP

•Illuminates red when the input signal is being clipped.

SIG LEDs SIG

•Illuminates blue when a signal is present.

Master Control Knob

•Scrolls up/down and right/left to select menu items and parameters

•Adjusts parameters

7 TD-000367-00-A