Receiver
1
ULXD4Q
Digital Wireless Receiver
IR
Front Panel
① Infrared (IR) Sync Window
Sends IR signal to the transmitter for sync.
② Network Icon
Illuminates when the receiver is connected with other Shure devices on
the network. IP Address must be valid to enable networked control.
③ Encryption Icon
Illuminates when AES-256 encryption is activated.
④ LCD Panel
Displays settings and parameters.
⑤ Scan Button
Press to find the best channel or group.
⑥ Menu Navigation Buttons
Use to navigate and select parameter menus.
⑦ Control Wheel
• Push to select a channel or menu item
• Turn to scroll through menu items or to edit a parameter value
⑧ Channel Select Button
Press to select a channel.
⑨ Sync Button
Press the
button while the receiver and transmitter IR windows are
sync
aligned to transfer settings from the receiver to the transmitter.
⑩ RF Diversity LEDs
Indicate antenna status:
• Blue = normal RF signal between the receiver and transmitter
• Red = interference detected
• Off = No RF connection between the receiver and transmitter
• Blinking = Indicates a Frequency Diversity error
Note: the receiver will not output audio unless one blue LED is illuminated.
B
1
2
Back Panel
① AC Power Input
IEC Connector, 100 - 240 V AC.
② RF Antenna Diversity Input Jack (2)
For antenna A and antenna B.
③ RF Cascade Jack (2)
Passes the RF signal from Antenna A and Antenna B to one additional
receiver.
④ Mic/Line Switch (one per channel)
Applies a 30 dB pad in
position.
mic
⑤ Balanced XLR Audio Output (one per channel)
Connect to a mic or line level input.
⑥ Network Status LED (Green)
One per network port.
• Off = no link
• On = network link
• Flashing = network link active
6
control
ENTER
EXIT
SCAN
push
2
3
4
5
7
output 4
line
line
mic
mic
3
4
5
4
8
10
12
RX1
RX2
RF
audio
gain
RF
audio
gain
A
B
A
B
OL
OL
SEL
SEL
OL
OL
sync
sync
9
11
13
⑪ RF Signal Strength LEDs
Indicate the RF signal strength from the transmitter:
• Amber = Normal (-90 to -70 dBm)
• Red = Overload (greater than -25 dBm)
⑫ Audio LEDs
Indicate average and peak audio levels:
LED
Red (6)
Yellow (5)
Yellow (4)
Green (3)
Green (2)
Green (1)
⑬ Gain Buttons
Press the ▲▼
gain
adjust gain from -18 to +42 dB.
⑭ Power Switch
Powers the unit on or off.
output 3
Secondary
Primary
5
6
7
8
9
⑦ Ethernet/Dante Network Secondary Port
Connect to an Ethernet network to enable remote device control via
WWB6 software. Also carries Dante digital audio and control signals for
audio distribution, monitoring, and recording - see Dante Network topic.
⑧ Network Speed LED (Amber)
One per network port.
• Off = 10/100 Mbps
• On = 1000 Mbps
⑨ Ethernet/Dante Network Primary Port
Connect to an Ethernet network to enable remote device control via
WWB6 software. Also carries Dante digital audio and control signals for
audio distribution, monitoring, and recording - see Dante Network topic.
RX3
RX4
RF
audio
gain
RF
audio
A
B
A
B
OL
SEL
OL
SEL
OL
sync
sync
Audio Signal Level
Description
-0.1 dBFS
Overload/ limiter
-6 dBFS
Normal peaks
-12 dBFS
-20 dBFS
-30 dBFS
Signal Present
-40 dBFS
buttons on the front of the receiver to incrementally
output 2
output 1
line
line
mic
mic
4
5
4
5
gain
power
OL
14
A
3
2
11