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Installation 
Guide & 
User 
Manual 

PERSONAL PA System 500 

Narrow-Band FM Wireless Listening System 

Transmitter Model T20

  Williams Sound 

®  

Receiver Model R19/*, R19-4A, R19-6 

Helping People Hear 

MAN 062B 

Summary of Contents for PERSONAL PA System 500

Page 1: ...Installation Guide User Manual PERSONAL PA System 500 Narrow Band FM Wireless Listening System Transmitter Model T20 Williams Sound Receiver Model R19 R19 4A R19 6 Helping People Hear MAN 062B...

Page 2: ......

Page 3: ...r Connection Audio Connection Using a Microphone T20 Audio Processor Options Using R19 R19 4 R19 6 Receivers Adjusting Receiver Tone Controls Battery Charger Information 8 Receiver Management Suggesti...

Page 4: ...niature radio station the transmitter and microphone pick up the sounds you want to hear and broadcast them over an FM radio signal The receivers are used to pick up the broadcast up to 500 feet away...

Page 5: ...ntenna the weaker the signal becomes A very sensitive receiver like the R19 will allow greater operating distance Because of its excellent operating distance the PPA System 500 can be used in situatio...

Page 6: ...otary control Channel Slide Switch 2 position slide switch used to alternate between two pre set narrow band frequencies Standard channels are 33 and 53 See page 18 for instruction on changing system...

Page 7: ...pe connector for 75 Coaxial signal allowing use of mono stereo line level inputs Antenna ANT 005 uses RG 59 cable Balanced Audio Input Line Mic 70V FM Auditory AssistanceTransmitter Select Unbalanced...

Page 8: ...Step 3 Make audio connections Step 3a If you will be using the T20 with an existing sound system Refer to the Overall System Diagram on page 4 The T20 has been designed to accept virtually any type o...

Page 9: ...IC 70 V Shield Grounded As Required Balanced Line LINE MIC 70 V 1 4in 2 Conductor Phone plug to T20 Input 1 4in 2 Conductor Phone plug to T20 Input LINE MIC 70 V Unbalanced Line Unbalanced Dynamic Mic...

Page 10: ...mally used in the middle 175 Hz position to provide high frequency emphasis that improves speech understanding for hard of hearing listeners If the program content is primarily musical it can be used...

Page 11: ...T20 is shipped in Compressor Mode Noise Reduction Mode The T20 can also be configured for for 2 1 compression This is for use only with a receiver that has a 2 1 expansion circuit for noise reduction...

Page 12: ...OK light does not come on at all turn the T20 input level control clockwise to increase the signal If the input level control is fully clockwise and the OK light still does not come on you will need t...

Page 13: ...Remove the receivers when charging is completed Further Suggestions Receivers SHOULD NOT be left charging continuously when not in use Receivers should always be turned OFF while charging It s best t...

Page 14: ...ver and earphone with the names of regular users so each person uses the same receiver and earphone 3 Ushers issue receivers to people who request them Earphones are sanitized after use Foam ear cushi...

Page 15: ...the center of the receptacle The connectors screw together and need only be finger tight Remote Antenna Location Guidelines For maximum signal strength it is best to select an antenna location somewhe...

Page 16: ...u are not using an input signal from a sound system make sure the microphone is plugged into the Mic jack on the rear of the T20 transmitter and the input selector switch is in the MIC left position 7...

Page 17: ...s or unshielded inputs all of which can act as antennas Try moving the RF Power switch to the 6dB or 12dB position This will reduce the system range somewhat 2 If remedy 1 does not solve the problem w...

Page 18: ...de switch to select from channels 1 or 2 channels 33 and 53 The R19 4 s rotary switch allows you to select between channels 1 4 channels 13 23 33 and 53 The R19 6 s rotary switch allows you to select...

Page 19: ...itter R19 R19 4 and R19 6 Receivers are warranted against defects in workmanship and materials for FIVE YEARS Microphones earphones cables carry cases rechargeable batteries and chargers are warranted...

Page 20: ...ects mic line 70 V on combination XLR Phone audio input jack High Pass Filter Switch 3 position slide type 20 Hz 175 Hz or 725 Hz 6 dB octave roll off RF Output Switch 3 position slide type Full power...

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