Peavey PCX-U302 User manual

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PLL True
diversity
UHF
wireless
receiver
PLL True
diversity
UHF
wireless
receiver
OPERATING GUIDE

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INTRODUCTION
Thank you for selecting a Peavey Pro Comm PCX-
U302 quartz controlled single channel true diversity wireless
microphone system. Before operating and installing this
system please read this instruction manual carefully and
thoroughly in order to attain the correct operating
procedures and to achieve the best results.
True Diversity Receiver
The Peavey Pro Comm PCX-U302 quartz controlled
receiver is a true diversity wireless system. This system is
also equipped with “Superior frequency tracking and muting
techniques” that is effective in eliminating the random noise
interference when the receiver is in standby state. The
Peavey Pro Comm PCX-U302 receiver is equipped with
both balanced and unbalanced outputs.
This system includes the following accessories:
• AC/DC Adapter
• Mic Clip
• Antenna (2)
• Instruction Manual
1. UNIT FEATURES AND FUNCTIONS
A. Front Panel
Figure 1
127 8 109
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1. Antenna Input Connector A
2. Power Switch and Indicator:
When the switch is turned on the red indicator
illuminates to denote normal power status.
3. Group Selector:
Selects a group of frequencies.
4. Channel Selector:
Selects a channel within a group. There are six
group numbers available. Groups one through four
each have six available channels (one through six).
Groups five through six each have three available
channels (one through three). All channels within the
same group are non-interfering when used in multiple
system installations (except group six).
5. Group Indicator:
Indicates the group selected.
6. Channel Indicator:
Indicates the channel selected.
7. RF Signal Level Indicator:
Indicates the RF signal strength received from the
microphone. As soon as the signal is emitted from
the microphone the LED indicator illuminates.
8. Audio Signal Level Indicator:
Indicates the audio signal level. As soon as the
microphone signal is modulated, the LED indicator
illuminates.
9. Volume Control:
Adjusts the AF output level of the receiver.
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10. Antenna Input Connector B
REAR PANEL
B. Rear Panel
11. DC 12V Input Jack:
Connect the 12V DC plug from the AC/DC adapter.
12. Balanced Audio Output Jack:
XLR type connector
13. Unbalanced Audio Output Jack:
1/4" Phone Jack
14. Unbalanced Level Switch:
“LOW” selection is for “Microphone-Level” output.
“HIGH” selection is for “Line-Out” level output.
15. Squelch Adjustment:
Adjust the squelch level to eliminate the RF noise
interference at the receiver.
2. INSTALLATION OF THE RECEIVER
1. Install one of the antennas at the antenna
input connector A. Then install the other
antenna at the antenna input connector B.
Make sure both antennas are in the vertical
position.
Figure 2
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2. AC/DC Power Connection:
Fig. 3
Connect the AC/DC adapter cable to the DC 12V
input jack. Then plug the adapter unit into an
appropriate AC outlet as shown in figure 3. Caution:
Make sure the correct voltage is present at the AC
outlet as indicated on the AC/DC adapter.
3. AUDIO OUTPUT CONNECTION:
a. Unbalanced Level Switch Setting Position:
Make sure to match the unbalanced output
setting to the device input setting. The
incorrect setting could result in low sensitivity
level or over load distortion. Ex. (If you are
going into the “Line” input on a mixer or
amplifier then the switch should be set to the
high position. If you are going into the “Mic”
input of an amplifier or mixer then the switch
should be set to the low position.)
b. Unbalanced Output:
Connect the 1/4" phone plug of the audio
cable into the unbalanced output connector on
the back of the receiver. Connect the other
end of the cable to the proper input of the
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desired device. Make sure the unbalanced
level switch is in the proper position before
applying power.
c. Balanced Output:
Connect the male XLR connector into the
balanced output connector on the back of the
receiver. Connect the other end of the cable
into the “Mic/Balanced” input of the desired
device. The characteristics of the 3-pin XLR
connector are shown below in figure 4.
Fig. 4
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GND PIN 1
PIN 3
PIN 2

3. TWO 19/2-INCH UNITS RECEIVER INSTALLATION
A. Setup for single half-rack receiver
1. Push the rack mount brackets (RM-11)
upwards until it is firmly attached to the
receiver. (Figure 5)
Fig. 5
B. SETUP FOR DUAL HALF-RACK RECEIVERS
1. Remove the screws at the top and bottom of
the receiver where they will be joined together.
Remove one steel plate from each receiver.
Push the receivers next to each other. Refer
to figure 6.
2. Insert the steel plate in between the two
receivers (top and bottom). Align and fasten
the screws tightly as shown in figure 6.
3. Align and fasten the rack mount brackets
(RM-12) on the outer sides of both receivers
as shown in figure 6.
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Fig. 6
4. After completion, it can be rackmounted into
an EIA standard rack case. Shown in figure 7.
5. Make sure that the system performs correctly
by placing the system away from noise
sources. Place the receiver at least one meter
above the ground and one meter away from
noise sources. Place the microphone at least
one meter away from the receiving antenna,
as shown in figure 8.
Fig. 7 Fig. 8
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4. OPERATION INSTRUCTIONS
1. Turn the volume controls of the receiver and
device in use to a minimum setting before
turning on the microphone transmitter. After
the receivers power switch is set to the on
position, the power switch’s red indicator
illuminates to denote normal power status.
2. If the SIGNAL LED indicators of the receiver
are illuminated before switching on the
microphone or transmitter, it indicates the
receiver is receiving interference signals. The
more LEDs that illuminate the more severity of
interference. This system has “Pilotone” and
“NoiseLock” dual-squelch features so noise
output will not occur. If multiple channels are
used and both SIGNAL and AUDIO LEDs
illuminate before the transmitter is turned on,
simply adjust the Squelch controls clockwise
until the AUDIO signal indicators extinguish.
(Figure 9). However, by adjusting the squelch
controls it affects the sensitivity level of the
receiver, therefore, shortening the operating
distance and decreasing the stability.
Figure 9
3. Under normal circumstances, the SIGNAL
indicator lights up when a microphone or
transmitter is turned on near the receiver to
indicate the receiver is ready for normal
operation. Once sounds enter into the
microphone the AUDIO LED indicators will
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