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216MHz
user guide
920SR speaker
921T body-worn transmitter
922T handheld transmitter
923C charging stand
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Summary of Contents

  • Page 1

    216MHz user guide 920SR speaker 921T body-worn transmitter 922T handheld transmitter 923C charging stand...

  • Page 2: Table Of Contents

    .....9-10 920SR column speaker features . . .11-14 921T body-worn transmitter features . .15-16 922T handheld transmitter features .

  • Page 3: Introduction

    introduction Congratulations on the purchase of your new Radium sound field system! With proper care and use it will become one of your most valuable classroom educational tools. Students will be able to consistently and easily understand the teacher, regardless of their location in the classroom, or competing internal or external background noise.

  • Page 4: Understanding Sound Field

    understanding sound field and its benefits • distance • noise • echo • distance • noise • echo without sound field with sound field...

  • Page 5: Setup Tips

    IMPORTANT! Be sure you place your Radium speaker and transmitter units on their charger overnight – for a minimum of 12 hours – before turning the power on and/or using them for the first time. Failing to do so can reduce battery capacity.

  • Page 6

    If placing the speaker on a table or surface top, consider the following: • Choose a location that provides easy access for the teacher, and is out of the way of students and main traffic areas. The speaker should be placed at least 6 feet/1.8 meters away from where the teacher stands.

  • Page 7

    Make sure the table or cabinet is structurally solid, sturdy and out of the way of foot traffic. • Properly mount and securely fasten the T-bar speaker stand onto the bottom of the speaker. Make sure the stand is screwed on tightly, and that the speaker does not wobble when in an upright position.

  • Page 8: Daily Operating Tips

    • To operate using the internal battery as a portable system, simply unplug the speaker before use and plug back in after use – making sure you return power switch to ‘off’ position while plugged-in and charging. The battery takes 6 hours to reach a full charge;...

  • Page 9

    Battery care and maintenance tips – • The speaker battery will last approximately 2 years depending on usage. • When not in use, leave speaker plugged into wall outlet with power switch in ‘off ’ position. • Keep speaker away from heating units – use/store in a cool dry place.

  • Page 10

    daily operating tips (cont’d) Do not coil the microphone – since it also acts as your antenna, coiling or wrapping the cord will affect its range and may also reduce its life. Speak at a normal level – the system is projecting your voice for you.

  • Page 11: With System

    parts and accessories included with system and/...

  • Page 12

    (920SR) body-worn transmitter (921T) and/or handheld transmitter (922T) plug-in mic for body-worn transmitter (AT0655 shown) charging stand (923C) power supply, receiver (040-7402-106) power supply, charging stand (AT0819) receiver antenna (AT0831) speaker table stand (AT0823) wall mounting bracket (set of 2)

  • Page 13

    920SR column speaker features (top)

  • Page 14

    power, low battery, and reception status indicator for channel A power switch and volume control for channel A reception status indicator for channel B power switch and volume control for channel B tone control aux input volume control aux output level switch See page 42 for level setting chart antenna wall mount hole...

  • Page 15

    920SR column speaker features (front and back)

  • Page 16

    13 speaker grille 14 two built-in speakers 15 internal rechargeable battery (non-user removable) 16 handle 17 main power on/off switch 18 power and charging indicator 19 power jack 20 channel selectors...

  • Page 17

    921T body-worn transmitter features front back...

  • Page 18

    921T body-worn transmitter features (cont’d) belt clip battery compartment volume control channel selector microphone input (2.5mm) 3 position power switch power and low battery indicator light standby (mute)

  • Page 19

    922T handheld microphone features LED indicator light 3 position power switch standby (mute) channel selector battery compartment channel selector key (inside battery compartment)

  • Page 20

    923C charging stand features front back 1 power indicator 2 pocket 1 charging indicator 3 pocket 1 full charge indicator 4 pocket 2 charging indicator 5 pocket 2 full charge indicator 6 power switch 7 DC power socket...

  • Page 21: System Setup And Operation

    Attach antenna to top of speaker Turn metal base of antenna clock- wise until secured tightly (do not over-tighten)

  • Page 22

    NOTE: Light is not illuminated during normal battery operation if using wall outlet Plug power supply into power/charging socket Plug power supply into wall socket Turn speaker on if using already charged battery Turn speaker on NOTE: Battery operating time is 5-8 hours.

  • Page 23

    charge battery Red light = charging Flashing red/green (equal duration) = 80 -90% charged Long flash green, short flash red = fully charged NOTE: Light is not illuminated during normal battery operation charge nightly after every use Plug power supply into power/charging socket Plug power supply into wall socket Recharging time is 8 hours if the battery is...

  • Page 24

    insert batteries in body-worn transmitter Switch power off Remove battery cover (push and slide off) Insert two AA rechargeable NiMH batteries WARNING: Never recharge alkaline batteries! This will cause damage to the unit and will void the product warranty.

  • Page 25

    insert batteries in handheld microphone AA Rechargeable NiMH batteries Switch power off Remove battery cover (turn counter-clockwise) Insert two AA rechargeable NiMH batteries WARNING: Never recharge alkaline batteries! This will cause damage to the unit and will void the product warranty.

  • Page 26

    charge transmitter(s) Never attempt to recharge alkaline batteries! This will cause damage to the unit and will void the product warranty. charger back charger front Plug power supply into power jack on back of charger stand Plug power supply (AT0819) into wall socket Turn charger on Turn transmitters off while charging...

  • Page 27

    wait until green charge indicators light (4-5 hours) PWR: Red light = charger is turned on CHARGING: Amber light = units are being charged READY: Green light = units are fully charged ERROR: Blinking Amber light = charging error. Improper batteries have been detected.

  • Page 28

    Use a screwdriver to adjust the Channel A selector on the back of the speaker to match the channel 921T number of either the 921T and/or the 922T transmitter(s). NOTE: Consider whether other Radium, EasyListener 2, or other radio-based...

  • Page 29

    activate receivers Turn receiver on by turning and/or volume control Channel B knob(s) to the right Check power indicator light (remember that main power must also be on – see Flash red once = adequate power Continuous red = low battery No light = battery does not have power and requires recharging or power supply is not connected properly...

  • Page 30

    If you can hear yourself through the loudspeakers, the volume setting may be too high and should be decreased.

  • Page 31: And Mounting, 920sr Speaker Placement

    920SR speaker placement and mounting speaker positioning Place speaker in a corner of the room facing listeners. Mount speaker on wall using brack- ets or place speaker on a surface using a speaker stand. The bottom of the speaker should be about 1 meter/3 feet from the floor.

  • Page 32

    Channel A: 48 Channel A: 45 Channel B: 58 Channel B: 55 Channel A: 46 Channel A: 42 Channel B: 56 Channel B: 52 Channel A: 47 Channel A: 43 Channel B: 57 Channel B: 53 = suggested placement of 920SR speaker...

  • Page 33

    channel mapping: placement diagram for multiple system installations (single channel - 16 rooms total) Channel: 41 Channel: 45 Channel: 51 Channel: 55 Channel: 42 Channel: 43 Channel: 46 Channel: 47 Channel: 52 Channel: 53 Channel: 56 Channel: 57 Channel: 44 Channel: 48 Channel: 54 Channel: 58...

  • Page 34

    (option 1) Attach brackets to wall AT0820 Screw mounting brackets to top and bottom of speaker...

  • Page 35

    (option 2) AT0823 Screw speaker stand into hole on bottom of speaker. • Turn clockwise to tighten • Turn counter-clockwise to loosen AT0824 floor stand is also available...

  • Page 36

    Place plastic plug into mounting bracket hole on top of speaker to keep out dust...

  • Page 37: Operation, 921t Body-worn Transmitter

    921T body-worn transmitter operation plug microphone in Plug microphone cord into Boom mic cord jack on top of body-worn transmitter...

  • Page 38

    put on microphone and adjust for proper distance from mouth Maximum distance from mic to mouth is 6 in/(15cm); 3 in/(7.5cm) is ideal. optimum AT0655 boom mic (two wearing options) performance: 7.5cm/3in AT0816 collar mic performance: optional AT0291-L directional lapel mic AT0814 earhook mic performance: 15cm/...

  • Page 39

    turn power on Switch power on Check indicator light: Continuous green = adequate power Continuous red = low battery battery life NiMH rechargeable AA = 12 hours (approx.) Alkaline disposable AA = 15 hours (approx.) WARNING: Never recharge alkaline batteries! This will cause damage to the unit and will void the product warranty.

  • Page 40

    921T 922T Use a screwdriver to turn frequency selector to channel number that match- es the channel set on column speaker If using both body-worn and hand- held transmitters set one transmitter channel to match a the speaker column, and the other...

  • Page 41

    adjust body-worn transmitter volume Increase transmitter volume for greater mic sensitivity and sound clarity Reduce transmitter volume if feed- back occurs...

  • Page 42

    activate standby/mute mode Activate standby mode to eliminate white noise when not speaking MUTE: Standby mode can also be used as a microphone/transmitter mute switch. The mute feature allows teachers to have a private conversation without needing to turn the transmitter...

  • Page 43

    922T handheld transmitter operation turn power on Turn power on by pushing power switch up...

  • Page 44

    check indicator light Check indicator light: Continuous green = adequate power Continuous red = low battery battery life NiMH rechargeable AA = 12 hours (approx.) Alkaline disposable AA = 15 hours (approx.) WARNING: Never recharge alkaline batteries! This will cause damage to the unit and will void the product warranty.

  • Page 45

    remove channel adjustment key Open battery compartment door and remove batteries Remove channel adjustment key...

  • Page 46

    NOTE: Never operate two transmitters on the same channel or interference will result. To use two transmitters, set the first to match receiver to match receiver 920SR Channel A and the second Channel B...

  • Page 47

    standby mode Activate standby mode to mute voice and eliminate white noise when not speaking...

  • Page 48

    920SR receiver/speaker = most compatible compatible transmitter (no adaptor cord required) 921T Radium 922T Radium 330T EasyListener 2 300TS-216 Sprite Lexis transmitter (as mic) Phonak Campus S TX5 Phonak HandyMic TX3 = least compatible...

  • Page 49

    – connecting to TV, CD, VCR, etc. connecting speaker to TV, CD, VCR, etc. AT0532-05 300-6332-107 Using either the AT0532-05 or 300-6332-107 adaptor cords, connect VCR, TV, CD, computer or other audio source to port on top of speaker...

  • Page 50

    Refer to level setting gide on next page to identify proper level for your transmitter PE 300TS or other transmitter PRITE input jack of either S OLARIS , or other trans- ISTENER PRITE port on top of speaker. Mic/Ant...

  • Page 51

    * For transmitters with a 3.5mm jack size, simply attach the transmitter to the AT0805 aux out accessory cord. For 2.5mm products, use the aux out adapter plug (310-2544-1341) † Requires special adaptor cord provided by Phonak (P/N 52117) and Radio Shack adaptor (P/N 274387). aux in jack size 3.5mm 3.5mm...

  • Page 52: Additional System Accessories

    AT0655 AT0814 earhook microphone behind-the-neck boom microphone receiver accessories AT0820 AT0823 wall mounting bracket speaker table stand (set of 2) AT0816 AT0291-L FM collar microphone directional microphone with mute switch with lavalier cord AT0824 AT0822 speaker floor stand...

  • Page 53

    additional system accessories (cont’d) transmitter accessories AT0532-15 AT0529A auxiliary input/ transmitter antenna output cable (3.5mm–dual RCA) (15ft/4.6m) 310-2544-1341 AT0807 aux-out adaptor plug AA rechargeable (3.5mm– 2.5mm) NiMH batteries...

  • Page 54: Troubleshooting

    • Turn down the volume on the speaker • Make sure the person wearing the transmit- ter is not too close to the speaker • Move speaker so that it is facing away from presenter and toward listeners • Make sure AT0655 boom microphone (or...

  • Page 55

    • Verify wall socket works speaker battery does not charge • Connect power supply to speaker and charge for four hours. If speaker battery does not hold a charge, send the unit to Phonic Ear Service department for replace- ment (battery must be replaced after one year of continuous use).

  • Page 56

    Radium channel numbers and corresponding frequencies Channel # 41 ... 216.025 MHz 42 ... 216.075MHz 43 ... 216.125MHz 44 .

  • Page 57: Product Specifications

    920SR carrier frequency range/ 216.025 –216.875MHz frequencies 16 total modulation FM (F3E) output power maximum 36W @ 4 x 2 power requirements 110V/240V AC adaptor 15V DC/2A, Battery 12V/2.7A (rechargeable, sealed lead-acid, 1-1.5 year life with continuous usage) frequency response 100Hz –...

  • Page 58

    product specifications (cont’d) body-worn transmitter: 921T carrier frequency range/ 216.025 –216.875MHz frequencies 16 total modulation FM (F3E) total harmonic distortion <1.5% frequency response 50Hz to 12KHz frequency stability .0005% maximum modulation ± 25KHz, with level limiting pre-emphasis 75µs dynamic range 100dB operating range >34m/110ft...

  • Page 59

    product specifications (cont’d) handheld mic transmitter: 922T carrier frequency range/ 216.025 –216.875MHz frequencies 16 total (see chart below) dynamic microphone antenna built-in RF output 15mW battery NiMH rechargeable battery; alkaline disposable; 1.5V x 2 AA battery life NiMH rechargeable: 12 hours (approx.) alkaline disposable: 15 hours (approx.) recharging time 6 hours (NiMH batteries)

  • Page 60: Warranty

    warranty time period of warranty This warranty will go into effect upon the date of purchase and will stay in effect as long as the instrument remains the property of the orig- inal owner. E ™ ISTENER have a 3-year warranty. All other prod- ™...

  • Page 61

    warranty (cont’d) Phonic Ear Inc. reserves the right to make changes in the design or construction of any of its instruments at any time without incurring any obligation to make any changes whatsoever on units previously purchased. This warranty is in lieu of all other expressed warranties. All expressed and implied warranties will terminate upon the expiration of this written warranty.

  • Page 62

    warranty (cont’d) Then, carefully package the equipment in the original shipping container to prevent damage and send it postpaid to the service center near you: USA/International: Phonic Ear Inc. 3880 Cypress Drive Petaluma, CA 94954-7600 U.S.A. In Canada: Phonic Ear Ltd. 10-7475 Kimbel Street Mississauga, Ontario L5S 1E7 Canada...

  • Page 63: Regulatory Approvals And Clearances

    regulatory approvals and clearances transmitter This transmitter is authorized by rule under the Low Power Radio Service (47 C.F.R. Part 95) and must not cause harmful interference to TV reception or United States Navy SPASUR installations. You do not need an FCC license to operate this transmitter. This transmitter may only be used to provide: audi- tory assistance to persons with disabilities, persons who require language translation, or persons in edu-...

  • Page 64

    However, there is no guar- 920SR antee that interference will not occur in a particu- lar installation. If this equipment does cause harmful interference to radio or television recep-...

  • Page 65

    regulatory approvals and clearances (cont’d) FCC notes The Radium sound field system is approved by the FCC (Federal Communications Commission). The use of the system may be governed by specific FCC rules and FCC licensing or notifications may be required. Consult your local FCC office for detailed information.

  • Page 66

    regulatory approvals and clearances (cont’d) This device may not cause interference and must accept any interference received, including inter- ference that may cause undesired operation. These devices may not interfere with TV recep- tion or Federal Government radar. IC notes This Class B digital apparatus complies with Canadian ICES-003.

  • Page 67

    u.s.a. 800.227.0735, then press 5 • canada 800.263.8700 • international +45 3917 7101 © 2005 Phonic Ear Inc. Phonic Ear and the names of Phonic Ear products are trademarks or registered trademarks of Phonic Ear Inc. in the U.S. and other countries.

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