QSC DPA4.2 Manual Del Usuario página 12

Amplifier Control
A B OUTPUT
MUTE MUTE
(power
SEL SEL
button)
1 2 INPUT
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.
EN
• 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.
• GPI setup has an effect on the operation of the power button.
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.
• GPI setup has an effect on the operation of the power button.
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.
• GPI setup has an effect on the operation of the power button.
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.
• GPI setup has an effect on the operation of the power button.
Master Control Knob
• Scrolls up/down and right/left to select menu items and
parameters
• Adjusts parameters
ENTER Button
• Navigates into the menu structure
• Enters the edit mode for adjusting parameters
• Confirms the changes you make, and exits the edit mode.
TD-000434-00-B
C D
MUTE MUTE
HOME
LIM
ENTER
-10
-20
EXIT
SEL SEL
GAIN
CLIP
SIG
3 4
— Figure 19 —
EXIT Button
• 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.
MASTER
CONTROL
HOME Button
• If you are on the Home screen, pressing HOME displays the
alternate Home screen. Pressing HOME again returns you to the
primary Home screen.
• 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.
NAIN Button
• 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
• 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.
• These buttons change both Input and Output selection at the same
time. For example, if you select Output A then switch to an Input
screen, you are on Input 1.
• The SEL buttons are active on any Input or Output screen as indicated
by an illuminated SEL button, and a label in the upper right corner of
the screen (Input 1-4 or Output 1-4).
• The SEL buttons illuminate blue for output channels, and amber for
input channels.
MUTE Buttons
• Use these buttons to mute the audio of the associated
output channel.
• When the output configuration is changed, the MUTE buttons are
engaged automatically. You must manually unmute the channels.
LIM LEDs
• Illuminates red when the Limiter is engaged.
-10 and -20 LEDs
• Indicates the dB below maximum output level of
the channel.
CLIP LEDs
• Illuminates red when the input signal is being clipped.
SIN LEDs
• Illuminates blue when a signal greater than -40 dB is
present.
ENTER
12
EXIT
HOME
GAIN GAIN
SEL SEL
MUTE
LIM
-10 & -20
CLIP
SIG