Williams Sound Hearing Helper T800 Leitfaden

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Williams Sound T800 Hearing Helper Base Station Transmitter - Europe

Hearing Helper™

Wireless FM Listening System

MAN 143C

Manual and User Guide

Transmitter Model T800

Optional Receiver Model R863

MAN 143C

Hearing Helper™Wireless FM Listening System

Hearing Helper™ T800 Transmitter

Manual and User Guide

Contents

System Overview ...................................................................................... 3

T800 Transmitter Instructions ................................................................. 4-6

Features and Controls........................................................................ 4

Antenna Connection .......................................................................... 4

Power Connection ............................................................................. 4

Selecting a Frequency ....................................................................... 5

Connecting an Audio Source ............................................................. 5

Adjusting the Audio Source............................................................. 5-6

Receiver Safety Information.................................................................... 7-8

R863 Receiver Instructions .................................................................. 9-13

Features & Controls ........................................................................... 9

R863 Belt Clip Instructions............................................................... 11

Receiver Battery Information ....................................................... 12-13

Receiver Charger Information.................................................................. 14

Troubleshooting Guide ....................................................................... 15-16

Warranty ............................................................................................ 17-18

System Specications............................................................................. 19

MAN 143C

Hearing Helper™Wireless FM Listening System

System Overview

Thank you for purchasing the Hearing Helper™T800 transmitter from Williams

Sound. This wide-band FM transmitter operates on the 863 MHz bandwidth

and connects directly to your facility’s sound system; alternatively, it can used

with a microphone as a stand-alone system. The T800 is designed for use

with the optional R863 FM receiver to provide hearing assistance or language

interpretation to a listening audience.

The T800 transmitter operates much like an FM radio station. First, the

transmitter receives the audio from the facility’s mic or sound system,

then the transmitter broadcasts the audio as an FM signal to the listening

audience. Listeners use the R863 receivers equipped with headsets or

earphones to pick up the FM broadcast up to 400 feet away.

To avoid difculties, please read through these instructions as you begin

to use the system. Then save the manual for questions that arise as you

continue to use your system. If at any time you are having problems with this

product, please contact Williams Sound for assistance: +1 952 943 2252.

LOUDSPEAKER

LINE-LEVEL OUTPUT

LINE-LEVEL INPUT

SOUND SYSTEM

AMPLIFIER

MICROPHONES

T800 TRANSMITTER

R863 WIDE-BAND RECEIVERS

WITH EARPHONES A244

Fig. 1: Overall System Diagram

MAN 143C

Hearing Helper™Wireless FM Listening System

Setting up the T800

Fig. 2: Features & Controls

A240

1. HEADPHONE JACK

2. HEADPHONE VOLUME CONTROL

3. FREQUENCY DISPLAY (LCD)

4. UP BUTTON

5. DOWN BUTTON

6. SET BUTTON

7. MENU CONTROL

8. POWER ON/OFF CONTROL

① ③② ④ ⑤ ⑥ ⑦ ⑧

A240

9. ANTENNA CONNECTOR

10. RF POWER OUTPUT SWITCH

11. AUDIO INPUT JACK, RCA TYPE

(LINE-LEVEL, UNBALANCED)

WITH GAIN CONTROL

⑨ ⑪⑩ ⑫ ⑬ ⑭

12. MIC INPUT JACK, COMBO

3-PIN XLR OR 1/4” TRS

(BALANCED/UNBALANCED)

WITH GAIN CONTROL

13. DC POWER IN JACK

14. AC POWER IN JACK

Step 1: Select Location

Position the T800 transmitter near the audio source (i.e. sound system,

mixer) from which it will receive audio.

Step 2: Install the Antenna

Gently thread the antenna onto the connector recessed on the back of

the transmitter. To use a remote antenna, contact your dealer or Williams

Sound.

MAN 143C

Hearing Helper™Wireless FM Listening System

Step 3: Connect the Audio Source

On the back of the T800, two audio input jacks are available: an RCA-type

jack for line-level, unbalanced audio sources; and a combo XLR (3-pin) and

1/4” TRS jack for connecting an unbalanced/balanced audio source. Note:

Microphone must be dynamic (no phantom power supplied). If both inputs

are used simultaneously, audio will be mixed. Connect the desired audio

source to the T800 transmitter.

Step 4: Connect the Power

Locate the power supply cord equipped with the 3-pin connector, then plug

the connector into the “AC Power In” jack located in the back of the T800.

Plug the power supply into the AC outlet. Alternatively, the T800 can be

Note: Only one power source should be used at one time.

Press the “Power ON/OFF” control on the front of the unit. On power up,

“Williams Sound T800” will appear briey while the system initializes. The

system will then display the current operating “CHANNEL” (1-16).

Step 5: Select the Frequency

The T800 operates on the 863-864 MHz bandwidth with sixteen selectable

preset channels. Channels 1-3 are standard and coincide with channels

1-3 on the R863 (optional) receiver:

CH 1 = 863.250 MHz, CH 2 = 863.750 MHz, CH 3 = 864.750 MHz

Additional operating channels (4-16) available are:

CH 4 = 863.050 MHz, CH 5 = 863.400 MHz, CH 6 = 863.550 MHz

CH 7 = 864.000 MHz, CH 8 = 864.150 MHz, CH 9 = 864.300 MHz

CH 10 = 864.450 MHz, CH 11 = 864.600 MHz, CH 12 = 864.950 MHz

CH 13 = 863.150 MHz, CH 14 = 863.650 MHz, CH 15 = 863.900 MHz,

CH 16 = 864.850 MHz

The T800 is set at the factory to Channel 1 (863.250 MHz). To change the

channel, press and hold the “Set” button for 3 seconds (cursor will ash),

then press the “+” Up or “-” Down button until the desired channel (1-16)

is displayed. No further action is required, the selection will be saved into

memory after 3 seconds.

To view the current operating frequency (i.e. “863.250 MHz”) on the T800,

press the “MENU” button once.

MAN 143C

Hearing Helper™Wireless FM Listening System

Step 6: Adjust the audio Level

Locate the “Gain Control” on the rear of the T800. With the audio

source playing, rotate the “Gain Control” clockwise “+” to increase or

counterclockwise “-” to decrease gain. Monitor the audio indicator “bars”

on the display as you make your adjustments. As a general guideline:

No audio indicator bars present = Audio source is TOO LOW.

Some audio indicator bars present = Audio source is ACCEPTABLE

“Limiting” message is displayed = Audio source is TOO HIGH.

Ensure the audience is receiving the highest quality audio: listen

to the audio through the headphone jack on the front of the

T800 (FIG. 2).

Step 7: Listen with an FM Receiver

IMPORTANT: The FM receiver being used with the T800

transmitter will need to be on the same frequency as the

transmitter!

Install the receiver batteries, plug in the earphone, turn on the receiver

and walk around the listening area. The signal should be clear and quite

loud when the volume is turned up. See page 9 for detailed operating

instructions on the R863 receiver.

MAN 143C

Hearing Helper™Wireless FM Listening System

Safety Information

HEARING SAFETY:

CAUTION!

The R863 receiver 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 on the receiver 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

volume setting and move away from the microphone being used with

the T800 transmitter.

4. Do not allow children or other unauthorized persons access to the

receiver.

BATTERY SAFETY AND DISPOSAL:

CAUTION!

The R863 receiver may be supplied with Alkaline batteries. Do not attempt

to recharge Alkaline batteries, which may explode, release dangerous

chemicals, cause burns, or other serious harm to the user or product. See

page 13 for additional battery information.

PACEMAKER SAFETY:

CAUTION!

1. Before using the R863 receiver with a pacemaker or other medical

device, consult your physician or the manufacturer of your pacemaker

or other medical device.

2. If you have a pacemaker or other medical device, make sure that

you are using this product in accordance with safety guidelines

established by your physician or the pacemaker manufacturer.

MAN 143C

Hearing Helper™Wireless FM Listening System

Recycling Instructions

Help Williams Sound protect the environment! Please take the time to

dispose of your equipment properly.

Product Recycling for Customers in the European Union:

Please do NOT dispose of your Williams Sound equipment in the

household trash. Please take the equipment to an electronics

recycling center; OR, return the product to the factory for proper

disposal.

Battery Recycling for Customers in the European Union:

Please do NOT dispose of used batteries in the household trash.

Please take the batteries to a retail or community collection point

for recycling.

MAN 143C

Hearing Helper™Wireless FM Listening System

Using the Optional R863 Receiver

FIG. 3: R863 Receiver Views

A217

ON/OFF/

CHANNEL

SELECTOR

SWITCH

VOLUME

CONTROL

"ON"

INDICATOR

EARPHONE/

HEADPHONE

JACK

R863 Top

R863 Front

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