PDWM4300
PDWM4300
VHF WIRELESS SYSTEM
VHF WIRELESS SYSTEM
OPERATION MANUAL
OPERATION MANUAL
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A.Overall system
Oscillation mode:
Carrier Frequency Range:
Stability:
Quartz controlled
VHF 169-270MHz
0.005%
56KHz with level limiting
Max Deviation:
Dynamic Range:
S/N Ratio:
100dB
80dB
0.5%
T.H.D:
Squelch:
"Pilotone & Noise lock" dual squelch circuit
100Hz~15KHz
Up to 240 Feet
Frequency Response:
Operating range:
B. Receiver
Sensitivity:
6dB V at S/N>90dB
>60dB
>80dB
Image Rejection:
Stability:
Audio output:
Power supply:
Dimensions(m/m):
-12db/600ohms unbalanced and balanced
15VDC/0.5A
16.5 8.2 1.8 inch
PDWM4300 VHF PROFESSIONAL FOUR CHANNELS WIRELESS MICROPHONE SYSTEM
VOLUME VOLUME VOLUME
VOLUME
AF LEVEL
AF LEVEL
AF LEVEL
AF LEVEL
RF
CHANNEL
RF
CHANNEL
RF
CHANNEL
RF
CHANNEL
1
2
3
4
POWER
C. Transmitter
Mike capsule:
Dynamic microphone(Handheld mic)
Condenser Microphone(Headset mic/clip-on mic)
Built-in housing(Handheld transmitter)
External(Belt pack transmitter)
<10mW
Antenna:
RF Output:
Spurious:
Battery:
<-40dB
one 9V battery
9
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The wireless microphone is not
turned on.
Turn on the wireless microphone
The on air
indicator does
not light up
The microphone receiver is not
turned on.
Turn on the microphone receiver
and the connected audio equipment
Turn on the microphone receiver
and the connected audio equipment
The microphone receiver is not
connected properly.
The battery in the wireless
microphone is weak.
Replace the battery.
The microphone receiver is not
turned on .
Turn on the microphone receiver
and the connected audio equipment.
No sound
The connected audio equipment is
not turned on.
Turn on the audio equipment.
The speakers/headphones. are not
connected to the audio equipment.
Connect the speakers/
headphones
The battery in the wireless
microphone is weak.
Replace the battery.
The sound is
distorted
The AUDIO OUT on the receiver
is not set correctly.
Adjust the volume controls.
Move the wireless microphone
away from the speakers or
change the direction of the
microphone.
The distance between the wireless
microphone and speakers are too
close.
1. Unscrew the battery cover at the end of microphone, put a 9V battery into compartment
with correct polarities, then close the cover.
A howling noise
heard from the
speakers.
2. Move "ON/OFF" switch to "ON" position, "PWR" indicator will light for one second and
then go off. This indicates correct operation. If it doesn't come on, please check the
voltage of battery or polarities. If the "PWR" indicator lights red, this indicates the battery
power is low. Please replace with a fresh battery.
The battery in the wireless
microphone is weak
Replace the battery.
8
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Using the supplied audio cable, connect from the MIXED jack socket to the
"MIC IN" / "LINE IN" socket on amplifier. Alternatively, you can connect an
optional XLR cable from the "XLR MIXED" socket on the receiver to a
professional mixer. Connect the mains power adaptor from "DC 15V" jack to
a suitable mains power socket.
BELT CLIP
BATTERY COVER
AUDIO OUTPUT JACK
VOLUME SWITCH
POWER SWITCH
AUDIO SWITCH
Installation Location:
At least 3 ft. above ground level
At Least 3 ft. away from wall
LOW BAT
OFF ON
ON MUTE
-20dB
0dB
MIC/LINE
AUDIO POWER ATTENUATION POWER
MIC LINE
MIC LINE
MIC LINE
MIC LINE
MIC LINE
ANTENNA
LOW BATTERY LED
POWER LED
HEADSET MIC
LAVALIER MIC
Open the battery cover to install a 9V battery (check polarities). Move the power switch to the ON position. The power indicator will be green to
indicate normal operation. If the LOW BAT indicator turns red, replace with a fresh battery promptly.
Before operation, please confirm that the frequency of transmitter is same as the frequency of receiver. Plug the 3.5mm connector of headset mic to
screw-lock socket of transmitter. Move the audio switch to ON position. The MUTE switch cuts off the audio output without shutting off the
transmitter.
ATTENUATION is for volume adjustment. Move it to 0dB position to get normal volume output. Move it to -20dB position to reduce distortion and
avoid feedback.
DC IN
15V/500mA
If the system will not be used for a long time, please switch off the transmitter to avoid power consumption.
MIXED
CH-1
SQ4
SQ3
SQ2
SQ1
XLR MIXED
7
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REAR PANEL
FRONT PANEL
3
3
4
5
6
7
8
9
10
11
1
DC IN
15V/500mA
PDWM4300 VHF PROFESSIONAL FOUR CHANNELS WIRELESS MICROPHONE SYSTEM
MIXED
CH-1
SQ4
SQ3
SQ2
SQ1
XLR MIXED
VOLUME
VOLUME
VOLUME
VOLUME
AF LEVEL
AF LEVEL
AF LEVEL
AF LEVEL
RF
CHANNEL
RF
CHANNEL
RF
RF
1
2
CHANNEL
3
CHANNEL
4
18
21
17
19
20
POWER
2
16
12
13
14
15
16
17.Balanced output jack
18.Unbalanced output jack
19.CH-1 Output jack
20.Squelch adjustor
21.DC Power in
1. Power Indicator
2. Power Switch
3. Antenna
4. CH-1 RF Signal Indicator
5. CH-1 AF Indicator
6. CH-2 RF Signal Indicator
7. CH-2 AF Indicator
8. CH-3 RF Signal Indicator
9. CH-3 AF Indicator
10. CH-4 RF Signal Indicator
11. CH-4AF Indicator
12. CH-1 Volume Control
13. CH-2 Volume Control
14. CH-3 Volume Control
15. CH-4 Volume Control
16. Rack Mounts
SQUELCH
cause reduction in useable range of the wireless transmitter, so set the
control to the lowest position that reliablely mutes the unwanted RF
signals.
The squelch control on the rear of the receiver is preset at the factory.
If you must use the system in an area with considerable RF
interference and there is some noise from the receiver when your
transmitter is off, you can adjust the squelch control so that the system
will receive the signal from your transmitter only but squelch or
eliminate the unwanted background RF noise. This adjustment can
Attach the two antennas and extend them vertically. Switch
on the receiver. The red power indicator will come on.
Switch on the transmitter. The red indicator RF/Channel1,
RF/Channel2, RF/Channel3, RF/Channel4 will come on to
indicate signal reception. The green AF LEVEL meters
indicate the audio level.
Adjust the volume of receiver, transmitters and amplifier.
Please switch off the receiver, transmitters and amplifier
when the wireless microphone system is not being used.
Note that switching the microphone on and off can cause interference
that will be heard if the microphone volume level of the amplifier
system is still set high.
6
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