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POWER LED (see
D
•
Green when the unit is on and active
•
Amber
•
When the unit is in standby. Standby mode turns off all outputs from the amplifier, although the
amplifier is still receiving power.
•
When DC voltage is detected on the output. This state is cleared only via reset/power down. If it is not
cleared via reset/power down, the unit may need to be serviced.
OVER TEMP LED — Lights red when the amplifier has exceeded the maximum recommended operating
E
temperature. The amplifier self-recovers once the unit has cooled below the maximum recommended
operating temperature.
Power limiting may or may not be applied at this point. This depends on the temperature of the unit.
QR Code (not shown) — Links to the product page on the Extron website and also provides the device serial
F
number.
Rear Panel Features and Operation
XPA U 4004 FX
~
100-240V
--A, 50-60Hz
A B
IEC power connector
A
AC mains switch
B
Channel Status LEDs
C
Attenuators
D
Figure 6.
XPA U 4004 FX Rear Panel
Power
ATTENTION:
•
The amplifier must be powered on last.
•
L'amplificateur doit être mis sous tension en dernier.
Reconnect all power cables and switch on all other equipment before powering on the power amplifier. The front
panel power LED of the amplifier lights green.
IEC power connector (see figure 6) — Connect this socket to 100 - 240 VAC, 50-60 Hz mains power supply.
A
AC mains switch — Toggle this switch between power on and power off.
B
figure 5
on page 8) — A single LED power indicator will light as follows:
1
2
10
10
12
8
12
8
(HPF OFF)
(HPF OFF)
LIM/
LIM/
14
6
14
6
70V
70V
70V
PRT
PRT
18
4
18
4
8
100V
8
1
1
26
2
26
2
∞
∞
4
100V
4
0
0
SIG
(HPF OFF)
SIG
(HPF OFF)
ATTENUATION OUTPUT MODE
ATTENUATION OUTPUT MODE
1
CLASS 2 WIRING
C
D E
on page 10
on page 10
3
10
12
8
(HPF OFF)
LIM/
14
6
70V
70V
70V
PRT
18
4
100V
8
100V
1
26
2
∞
100V
4
100V
0
SIG
(HPF OFF)
ATTENUATION OUTPUT MODE
2
F
Output Mode Selection Switch
E
Speaker Output Connectors
F
Line Inputs
G
Remote Port
H
4
1
2
10
12
8
(HPF OFF)
LIM/
14
6
70V
70V
PRT
18
4
8
100V
1
26
2
∞
4
100V
0
SIG
(HPF OFF)
ATTENUATION OUTPUT MODE
3
4
G
on page 11
on page 11
XPA U 4004 FX • Operation
3
4
G STANDBY
INPUTS
REMOTE
H
on page 10
on page 11
9
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