Williams Sound MOD 112 Guía de instalación descargar pdf (Pagina 16)

Williams Sound

Helping People Hear

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Receiver Management

Different types of facilities will use different

approaches for receiver management and earphone

sanitation. Following are some alternatives that

other customers have used successfully:

1. Regular users purchase their own receiver and

take care of their own batteries and earphone.

2. Some facilities label the receiver 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 cushions can be replaced or washed with a

mild detergent, rinsed thoroughly and air-

dried. The EAR 022 Surround Earphone can

be sanitized with an alcohol pad.

4. The receivers are stored in a multiple compart-

ment storage case with a credit card or driver's

license left as collateral for the receiver.

5. Regular users purchase their own earphone or

headphone and bring them to use with

receivers at the facility.

Troubleshooting

Neither TX6 indicator light is on (Fig 1a).

1. Make sure the wall transformer is plugged into

the transmitter and the power switch or any

remote power switch is on.

2. Make sure the electrical outlet is on.

3. Make sure the 24 VAC power supplies are

working.

Only one TX6 light (top) comes on (Fig 1a).

1. Make sure the MOD 112 is on.

2. Make sure the baseband cable is connected

properly.

3. Check to see if that at least one carrier light on

the MOD 112 is on.

No sound through receivers.

1. If some of the receivers work but others don’t,

check for bad batteries or earphones on the

receivers that aren’t working.

2. If none of the receivers work, check to see if

the power and baseband cable are connected

to the transmitter and that the Power and

Baseband Present Indicator lights are ON.

3. Check to see if the modulator is connected

properly to the sound system. The CXR On

Indicator should be lit and there should be

activity on the MOD 112’s Level Indicators.

4. Make sure the “eye” is not covered up on the

receiver. There must be clear line of sight

between the receiver eye and the transmitter

panel.

Sound through the receivers is weak and noisy.

1. Hold a receiver in front of the Infrared Test

LED on the front of the MOD 112 modulator

and listen to the signal. If the signal is weak

and noisy here, check the Input Level switch

and Input Level Control settings. Increase the

input signal level from the sound system by

turning up a mixer control. If the signal

sounds okay

, you may need to re-position the

transmitter panels or add additional panels.

Buzzing or humming noise in sound system.

1. Check for ground loops or noise on the input

signal. Call your Authorized Dealer or

Williams Sound for help.

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Williams Sound MOD 112 Guía de instalación Pagina 16

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