Professional Sound Corporation M 8 Installationsanleitung

Williams Sound ®Helping People HearPERSONAL PA®Pro Wide–band System 275Wireless FM Listening SystemTransmitter Model T4Receiver Model R30Installation

Williams Sound ®Helping People Hear11DETAILED SETUP PROCEDURESTEP 1: CHOOSE A LOCATION AND INSTALL THE TRANSMITTERIt’s usually most convenient to loc

Williams Sound ®Helping People Hear12AVOIDING UNDESIRABLE ANTENNA INSTALLATIONSTransmission (range, directional properties) can be severely impaired

In PhaseBalanced Line Using 1/4' ConnectorUnbalanced Line Using 1/4" Connector4.7 K4.7 KSource ASource BConnecting To A Stereo SourceSTEP 4:

Williams Sound ®Helping People Hear142 TO16 Ω OR70 V SPEAKERLINEThe T4 input can also be connected directly to 2 to 16 Ω or 70 Volt speaker lines. If

Williams Sound ®Helping People Hear15not helpful to the hearing impaired and can contribute to excessive noise in the receiveroutputs. See the sectio

Williams Sound ®Helping People Hear16STEP 5: CONNECT THE POWER SUPPLYThe T4 transmitter is powered by a wall mounted transformer supplying 24 VAC. Pl

Williams Sound ®Helping People Hear17ASSURING EXCELLENT PERFORMANCEThe PPA 275 consists of a transmitter and several receivers used to deliver an aud

Williams Sound ®Helping People Hear18RECEIVER USE INSTRUCTIONSRECEIVER MODEL PPA R30Receiver Model PPA R30 has a single, wheel-type volume control an

Williams Sound ®Helping People Hear19shorter knob controls the microphone signal level. By adjusting the two volume controls, youcan hear a mixture o

Williams Sound ®Helping People Hear20BATTERY INFORMATIONDISPOSABLE BATTERIESIn normal use, two AA 1.5 V non-rechargeable Alkaline batteries will last

PRO WIDE–BAND SYSTEM, MODEL PPA 275INSTALLATION GUIDE & USER MANUALContents PageFAST SET-UP PROCEDURE 4SYSTEM OVERVIEW 6CONTROLS AND CONNECTORS 8D

Williams Sound ®Helping People Hear21FREQUENCY CHANGE INSTRUCTIONSNormally, the PPA 275’s factory-set channel (usually 72.9 MHz) requires no change.H

Williams Sound ®Helping People Hear22RECEIVER FREQUENCY CHANGE INSTRUCTIONSTuning for the R7, R30, R31, and R32 receivers is determined by a single t

Williams Sound ®Helping People Hear23Step 5: Locate the Tuning Coil. (See figure on previous page). Each tuning coil is a small, square, shiny meta

Williams Sound ®Helping People Hear24TROUBLE SHOOTING GUIDENO TRANSMITTER OPERATIONPOWER LIGHT NOT ONþ Most likely, there is no power. Make sure the

Williams Sound ®Helping People Hear25þ It could be that the T4’s Audio Processor is set for Compress when Limit might be moreappropriate for the type

Williams Sound ®Helping People Hear26use other technology, such as Williams Sound Narrow Band FM or Williams SoundInfrared.USERS MUST TURN RECEIVER V

Williams Sound ®Helping People Hear27WARRANTYThe Williams Sound T4 Transmitter and R30 Receiver are engineered anddesigned to provide you with many y

Your Authorized Williams Sound Dealer Is:ChargingC© 2000, Williams Sound Corp. MAN 103 APro Wide–band System, Model PPA 275 SPECIFICATIONS

Williams Sound ®Helping People Hear4FAST SETUP PROCEDUREStep 1 Choose a Location for the TransmitterIt’s usually most convenient to locate the T4 nex

Williams Sound ®Helping People Hear5Step 5 Set the Audio Select DIP SwitchesSet the Audio Select switch for the type of source you’re using.If you ha

Williams Sound ®Helping People Hear6SYSTEM OVERVIEWThe PPA 275 is a Wide-band FM Listening System which operates in the 72–76 MHzfrequency band.Devel

Williams Sound ®Helping People Hear7Phones PPA T4 Professional FM Auditory Assistance TransmitterWilliams Sound Power-12dB -6dB 0dB +6dBAudio LevelLo

Williams Sound ®Helping People Hear8CONTROLS AND CONNECTORSFRONT PANELPOWER INDICATORIndicates that the transmitter has power available and that the

Williams Sound ®Helping People Hear9INPUTThe input can be configured to accept three types of signal sources: Balanced or UnbalancedMicrophone, Balan

Williams Sound ®Helping People Hear10unacceptable situation, use a connection scheme like those described in the section AvoidingGround Loops.Set the