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®
MANUAL AND USER GUIDE
™
HEARING HELPER Tour Guide System
Wireless, Portable FM Listening System
Model TGS PRO 720
Transmitter Model PFM T31
Receiver Model PPA R35
MAN 122A
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™ HEARING HELPER FM TOUR GUIDE SYSTEM, MODEL TGS PRO 720 INSTALLATION GUIDE & USER MANUAL Contents Page SYSTEM OVERVIEW 3 SYSTEM COMPONENTS 4 PFM T31 TRANSMITTER MICROPHONES PPA R35 RECEIVER HEADPHONES & EARPHONES SAFETY INFORMATION 6 RECYCLING INSTRUCTIONS 6 OPERATING INSTRUCTIONS 7 PFM T31 TRANSMITTER PPA R35 RECEIVER HINTS FOR USING THE SYSTEM BATTERY INFORMATION 14 BATTERY INSTALLATION RECHARGEABLE & NON-RECHARGEABLE BATTERIES USING OPTIONAL BATTERY CHARGERS IN CASE OF DIFFICULTY 17 WARRANTY
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SYSTEM OVERVIEW ™ The HEARING HELPER Tour Guide System is a portable, high-performance, wireless system composed of the PFM T31 Transmitter and PPA R35 Receivers and designed for use in guided tour applications. The system allows one-way transmission of a tour guide’s voice to group members using an FM radio signal. Using the system helps group members overcome background noise and distance from the person speaking. ™ The HEARING HELPER System can be used for large or small tour groups and in n
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SYSTEM COMPONENTS ˛ Body Pack Transmitter (PFM T31) with (2) AA batteries (BAT 001) ˛ Noise-cancelling headband microphone (MIC 086) ˛ (6) Receivers (PPA R35) w/batteries (BAT 001) ˛ Instruction Manual (MAN 122) ˛ System carry case (CCS 030 S) THE PFM T31 TRANSMITTER The PFM T31 Transmitter is a battery-powered body-pack model used with a microphone to pick up the tour guide's voice. The transmitter produces an FM radio signal to broadcast the tour guide's voice to the receiver units. A simple
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R OPTIONAL HEADPHONES AND EARPHONES The optional HED 021 Lightweight Headphone is the standard headset for the Tour Guide System. It offers excellent sound quality and wearing comfort. The foam earpads may be removed and washed in a mild detergent, rinsed thoroughly, and air dried. The headphone plugs into the “EAR” jack on top of the Receiver. The headphones are wired with a mono plug. If a stereo headphone is substituted, it will only work on one side of the headphone. The HED 008 is a heavy-
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SAFETY INFORMATION HEARING SAFETY CAUTION! This product is designed to amplify sounds to a high volume level which could potentially cause hearing damage if used improperly. To protect your hearing and the hearing of others: 1. Make sure the volume is turned down before putting on the earphone or headphone. Then adjust the volume to a comfortable level. 2. Set the volume level at the minimum setting that you need to hear. 3. If you experience feedback (a squealing or howling sound), reduce the v
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OPERATING INSTRUCTIONS USING THE PFM T31 TRANSMITTER Note: Before you begin, make sure you have AA Alkaline batteries installed in the transmitter. See Battery Information on page 14. 1. Plug the microphone into the “mic” jack on top of the transmitter. 2. Turn the power on: Place the FM switch to the “On” position. 3. Position the microphone as close to the speaker’s mouth as practical. 4. When you are ready to speak, turn the Mic Mute Switch to the “On” position. When you are done
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CHANGING THE PFM T31 FREQUENCY FIG. 4: PFM T31 FREQUENCY CHANGE Frequency Switches Switch Settings MHz 1 2 3 4 5 6 7 8 Switches set for 72.9 MHz 72.1 DN UP DN UP DN DN DN DN 72.3 DN UP DN UP UP DN DN DN 12 345 678 72.5 DN UP DN UP DN DN UP DN UP (OFF) DOWN (ON) 72.6 DN DN UP DN DN DN DN UP 72.7 DN UP DN UP UP DN UP DN 72.8 DN UP DN DN DN DN DN UP 72.9 DN UP DN UP DN DN DN UP 74.7 UP DN DN UP UP DN DN UP 75.3 UP UP DN UP DN DN DN DN Battery
75.4 UP UP DN DN UP DN DN DN Compartment 75.5 UP UP DN
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USING THE PPA R35 RECEIVER Note: Rechargeable batteries are shipped in a discharged state and must be charged overnight before using. 1. Make sure there are two charged AA batteries in the Receiver. If batteries are not installed, see Battery Information on page 14. NOTE: The ON indicator will illuminate RED to indicate low battery. 2. Plug the earphone or headphone into the “Ear” jack on top of the Receiver. On/Off FIG. 5: PPA R35 RECEIVER TOP VIEW Volume Switch Earphone "On" Indicator Jac
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BELT CLIP INSTALLATION FOR PPA R35 TO INSTALL: Position the belt clip on the rear of the R-35 receiver as shown in Figure 6a. Turn the belt clip 180º left or right as shown in Figure 6b. The belt clip is now installed and ready for use. TO REMOVE: Turn the belt clip 180º so the edge points toward the top of the unit as shown in figure 6b. Gently pull the belt clip away from the unit to remove. FIGURE 6B FIGURE 6A – or – EARPAD CLEANING FOR PPA R35 Do not immerse the earphone in water or other cl
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R35 RECEIVER FREQUENCY CHANGE INSTRUCTIONS Selecting a frequency for the R35 receiver requires an adjustment to the internal tuning coil. See figure below to locate the coil to be adjusted. A plastic tuning wrench (PLT 005) will be needed to adjust this receiver’s tuning coil. FIGURE 7: LOCATING THE TUNING COIL IN THE RECEIVER TUNING COIL Ferrite Tuning "Slug" Alkaline NiMH Channel Tuning R-35 Most Williams Sound single channel Receivers are set at the factory to 72.9 MHz. The Receiver must
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STEP 5: Locate the Tuning Coil (see figure 7). The tuning coil is a small. shiny metal can with a screwdriver slot in a tuning slug in the top center. The Tuning Slug is usually black or gray. STEP 6: With the earphone or headphone supplied with the receiver plugged into the Ear Jack, turn the volume control to a comfortable level, and listen for the transmitted signal. STEP 7: Gently put the tip of the tuning wrench into the slot in the tuning slug. Be careful not to push hard on the slug s
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HINTS FOR USING THE SYSTEM Normal operating distance between the transmitter and receiver is about 30 meters. The operating range will vary in different buildings and surroundings. In some locations, the signal may momentarily disappear. This is called a “drop-out” and is due to reflection and cancellation of the radio signal. Moving a few feet will restore the signal. Keep the transmitter and receiver units at least a meter apart. If the transmitter gets too close to a receiver, it can overload
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BATTERY INFORMATION INSTALLATION To open the T31 transmitter battery compartment, use a coin in the slot on the bottom of the transmitter. To open the R35 receiver battery compartment, lift the tab on the back of the receiver with a finger. Press the batteries into place, observing proper battery polarity. Incorrect insertion of FIGURE 9: BATTERY INSTALLATION Rear of Transmitter
or Receiver – + Battery
Compartment + – Tab Note Proper
Polarity the battery is difficult, and if forced, may c
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FIGURE 10: USING THE OPTIONAL CHG 200A BATTERY CHARGER TO CHARGE THE PFM T31 TRANSMITTER Step 1: Plug the CHG 200’s power supply into the Power Input on the charger’s side and a standard AC wall outlet. Step 2: Route the power cord around the Cord Hook (see figure at right). This will minimize strain on the cord and jack and Charging
insure that the power cord is not detached Contact Holes during charging. Step 3: Make sure the transmitters to be charged are turned OFF. Charging
Step 4: Plac
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Williams Sound Williams Sound CHG CHG CHG CHG CHG CHG WARNING: DO NOT ATTEMPT TO RECHARGE DISPOSABLE BATTERIES! WARNING: DO NOT ATTEMPT TO RECHARGE DISPOSABLE BATTERIES! USING THE OPTIONAL CHG 3512 BATTERY CHARGER TO CHARGE THE PPA R35 RECEIVER With power connected, the CHG 3512 Multiple Charger has the ability to read the condition of the receiver batteries determining whether to initiate full charge or trickle charge to maintain the batteries’ full potential. Each bay on the charger has a red
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IN CASE OF DIFFICULTY If your Tour Guide System is not working, check the following: 1. Read through the manual and user guide carefully to verify proper setup and installation of your system. 2. Make sure the batteries are fresh or completely charged and that the “plus” and “minus” terminals are installed correctly. 3. If the rechargeable batteries will only work for a short period of time (less than 1 hour) even after they are fully charged, they must be regenerated. Leave them in the receive
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LIMITED WARRANTY Williams Sound products are engineered, designed, and manufactured under carefully controlled conditions ™ to provide you with many years of reliable service. Williams Sound warrants the HEARING HELPER Tour Guide System against defects in materials and workmanship for FIVE (5) years. During the first five ™ years from the purchase date, we will promptly repair or replace the HEARING HELPER Tour Guide System. Microphones, earphones, headphones, batteries, chargers, cables, carry
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SYSTEM SPECIFICATIONS FM TRANSMITTER, MODEL PFM T31 Dimensions: 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm) Weight: 4.4 oz (125 g) with battery Color: Royal blue, shatter-resistant polypropylene Battery Type: Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 70 mA nominal current drain, 12 hours approx. life (OR) Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA nominal current drain, 10 hours per charge approx., recharges in 14-16 hours, uses CHG 200
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® 10321 West 70th St., Eden Prairie, MN 55344 U.S.A. © 2006, Williams Sound Corp. MAN 122A 800.843.3544 | 952.943.2252 | FAX: 952.943.2174 www.williamssound.com
