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VHF WIRELESS SYSTEM
OPERATION MANUAL
Thank you for buying the PDWM4400 Wireless System. Please
read through these operation instructions so you will know how
to operate your model properly. After you read it, put it away in a
safe place for future reference.
* Avoid exposure of the system to rain or moisture.
* No user-serviceable parts inside the system. Refer all servicing to a qualified
technician only.
* Handle the wireless system carefully, dropping or other shocks may cause
failure.
* Avoid using the system where it may be subjected to heat, such as direct sunlight,
near radiators or other heat sources.
* Should any liquid be spilt on the system, stop using it immediately. It may be
possible to dry the system, but you should have it checked by a qualified technician
before using it again.
* Take care with the main power adapter and lead. If damaged in any way, do not use
the system and refer to a qualified technician for repair.
* Only use the system with the supplied components. Do not attempt to use with any
* other main power supply adapter .
* If the is not going to be used for a while, remove the battery to
prevent leakage. In the event of electrolyte leakage inside the battery compartment,
carefully remove the leakage with a damp cloth. Take care not to get battery
electrolyte in contact with your skin, however if it does, wash your hands under a
running tap. If electrolyte comes into contact with your eyes, seek medical advice
immediately.
* Only replace the battery with the same or an equivalent type.
* Please dispose of old batteries in an environmentally friendly manner in accordance
with the relevant legislation.
* Do not use any solvents to clean any part of the .
wireless system
wireless system
8
A.Overall system
Oscillation mode: Quartz controlled
Carrier Frequency Range: VHF 169-270MHz
Stability: 0.005%
Max Deviation: 56KHz with level limiting
Dynamic Range: 100dB
S/N Ratio: 80dB
T.H.D: 0.5%
Squelch: "Pilotone & Noise lock" dual squelch circuit
Frequency Response: 100Hz~15KHz
Operating range:
B. Receiver
Sensitivity: 6dB V at S/N>90dB
Image Rejection: >60dB
Stability: >80dB
Audio output: -12db/600ohms unbalanced and balanced
Power supply: 15VDC/0.5A
Dimensions: 16.5 8.2 1.8 inch
C. Transmitter
Mike capsule:
Antenna:
RF Output: <10mW
Spurious: <-40dB
Battery: one 9V battery
Up to 240 Feet
Condenser Microphone(Headset mic/clip-on mic)
External