Sony WRT-807A Bedienungsanleitung

3-866-377-11 (1)

WRT-807A

UHF Synthesized

Wireless Microphone

Operating Instructions

Manual de instrucciones

Mode d’emploi

Wireless Channel Lists

Listas de canales inalámbricos

Listes des canaux sans fil

1999 by Sony Corporation [U64] [U66] [U68]

Owner’s Record

The model and serial numbers are located at the rear of the

unit. Record the serial number in the space provided below.

Refer to these numbers whenever you call upon your Sony

dealer regarding this product.

Model No. WRT-807A Serial No.

Notice for customers in the U.S.A.

Use of Sony wireless devices is regulated by the Federal

Communications Commission as described in Part 74

subpart H of the FCC regulations and users authorized

thereby are required to obtain an appropriate licence.

You are cautioned that any changes or modifications not

expressly approved in this manual could void your authority

to operate this equipment.

Notice for customers in Canada:

Use of Sony wireless devices is regulated by the Industry

Canada as described in their Radio Standard Specification

RSS-123.

A licence is normally required. The local district office of

Industry Canada should therefore be contacted. When the

operation of the device is within the broadcast band, the

licence is issued on no-interference, no-protection basis with

respect to broadcast signals.

Avis pour les clients au Canada:

L’usage des appareils sans-fil Sony est réglé par l’Industrie

Canada comme décrit dans leur Cahier des Normes

Radioélectriques CNR-123. Une licence est normalement

requise. Le bureau de l’Industrie Canada doit être contacté.

Lorsque l’opération de l’appareil est dans les limites de la

bande de radiodiffusion, la licence est émanée sur la base

de non-interférence, non-protection avec les signaux de

radiodiffusion.

Table of Contents

English

Precautions................................................................1

Introduction ...............................................................2

Features .............................................................2

Parts Identification....................................................4

Power Supply ............................................................7

Settings ......................................................................8

Initiating Setting Mode .....................................8

Changing the Transmitting Channel .................8

Changing the Input Attenuation Setting..........10

Resetting the Accumulated Battery Use

Time Indication .........................................11

Troubleshooting...................................................... 12

Specifications..........................................................14

Error Messages .......................................................15

Precautions

• The unit is designed for use in ambient temperature range

of 0°C to 50°C (32°F to 122°F).

• Do not place the unit on or near heat sources, such as

lighting equipment, power amplifiers, or in a place subject

to direct sunlight or excessive moisture. In such places,

the external finish or internal parts of the unit may be

damaged.

• If the unit is used in a very humid or dusty place or in a

place subject to an active gas, clean its surface as well as

the connectors with a dry, soft cloth soon after use.

Lengthy use of the unit in such places or not cleaning it

after its use in such places may shorten its life.

• When cleaning the unit, never use organic solvents such as

thinners or benzine, which will damage the finish of the

unit.

• The unit has been factory adjusted precisely. Do not

tamper with its internal parts or attempt to repair it.

• Do not attempt to recharge an alkaline battery.

• Do not dispose of a battery in fire. Do not disassemble or

short-cirtuit a battery.

• Make sure to use an L6 (size-AA) alkaline battery.

• Make sure the poles of the battery match the + and -

markings in the battery holder.

• Remove the battery when the unit will not be used for a

long period of time.

Introduction

The WRT-807A is a UHF-synthesized wireless microphone

for use in a 800-MHz band UHF-synthesized wireless

microphone system.

The WRT-807A operates in conjunction with the WRR-

800A/801A/802A/805A, MB-806A UHF Synthesized Tuner

for vocal concentration.

The WRT-807A can be also used with existing Sony

wireless microphone systems consisting of the WRT-810A/

820A/822A/830A UHF Synthesized Transmitter and WRR-

810A/820A/840A/850A, MB-806A UHF Synthesized

Tuner.

The microphone/transmitter and tuners of the wireless

microphone system are classified by frequency band.

A 12 MHz frequency band (or two consecutive-numbered

TV channels, such as 68 and 69 of the U68 model) is

assigned to each microphone/transmitter and tuner model.

In building up a UHF wireless microphone system, be sure

to combine a microphone/transmitter and a tuner having the

same TV channel number.

For the selectable wireless channels and frequencies, see

“Wireless Channel Lists” on page L-1.

Features

Phase Locked Loop (PLL) synthesized system

The WRT-807A features a refined phase locked loop (PLL)

synthesizer circuit.

POWER switch with holding function

The POWER switch can be locked in the ON position to

protect against accidental power cut-offs.

Low-battery notification on tuner

When the microphone battery is low, the microphone sends

a warning to the WRR-800A/801A/802A/805A/850A, MB-

806A in the form of “Battery status information.”

This information is sent to the WRR-800A/801A/802A/

805A/850A, MB-806A about one hour before the battery

goes dead to allow the battery to be safely replaced.

When the WRR-800A/801A/802A/805A/850A, MB-806A

receives this information, the LED and the LCD on tuner

panel start to flash.

The built-in, high-efficiency DC-DC converter provides

about five hours of continuous and stable operation with just

a single LR6 (size-AA) alkaline battery.

LCD readout of various information

The microphones LCD shows the current channel number,

frequency, input attenuation setting, and residual battery

power.

The accumulated battery use time is also indicated (in one-

minute increments) to allow precise monitoring of battery

use.

Automatic saving of channel and input attenuation

settings

All channel and input attenuation settings are automatically

saved when the microphone is turned off (and are

maintained even when the battery is removed), thus

eliminating the need to make the same settings again the

next time you use the microphone.

Highly reliable electronic attenuator

Adjustable in a range of 0 dB to 21 dB in 3-dB steps, the

built-in input level attenuator reduces signal distortion

during the input of excessively strong audio signals.

Tone signal-incorporated RF carrier signal

The microphone transmits an RF carrier signal that

incorporates a tone signal to enable any tuner with a tone

squelch circuit to pick out only the target audio signal.

Wide dynamic range and low noise

The microphones compander (compressor/expander) system

enables transmission over a wide dynamic range with

minimum noise.

Notes on operation

• When operating two or more microphones, keep the

microphones separated from each other by a distance of at

least 30 cm (1 foot.).

• Keep microphones at least 3 meters (10 feet) away from

the receiving antenna.

Parts Identification

1Wind screen

Protects against noise caused by wind.

2Liquid-crystal display

AAF (audio input) indication

Lights whenever an audio signal stronger than the reference

level is received.

BRF (antenna output) indication

Lights during signal transmission from the antenna.

CBATT (battery) indication

Shows the battery condition.

See “Battery indication” on page 7.

Display example

for U68 model

AF RF BATT

SET

–

DCH (channel) indication

Displays the transmission channel.

Each time you press the SET button in Transmit mode, the

channel indication changes as follows.

Transmission channel: The current transmission channel

setting.

Transmission frequency: The current transmission

frequency setting.

Attenuation: The input attenuation setting in decibels.

Can be set within a range of 0 dB to 21 dB in 3-dB

steps.

Accumulated battery use time: The accumulated time of

battery use (in 1-minute increments).

Transmission

channel

To adjust these parameters, see “Changing the

Transmission Channel” on page 5, “Changing the Input

Attenuation Setting” on page 10 or “Resetting the

Accumulated Battery Use Time Indication” on page 11.

3SET button

In Transmit mode, press this button to change the indicated

items in the lower half of the liquid-crystal display.

To change to Setting mode, turn the POWER switch to ON

while holding this button down. Then press this button to

select the items to be indicated.

How to press the SET and +/– buttons

For details on Setting mode, see “Settings” on page 8.

Press the button with a

ballpoint pen or similar item.

Transmission

frequency

Attenuation level

Accumulated

battery use time

Press SET

button.

Display example

for U68 model

HOLD

4POWER indicator

Lights when the microphone is on.

5POWER switch

Turns the microphone ON or OFF.

When you set this switch to ON without holding down any

other button, the microphone enters Transmit mode, and the

signal of the selected channel is transmitted.

The HOLD switch appears when the POWER switch is set

to ON.

Set the HOLD switch to the lock position to prevent an

accidental power cut-off during microphone operation.

Locking the POWER switch

Slide the HOLD switch to the

right with a ballpoint pen or

similar item.

6Antenna

7Battery holder

Insert the battery here.

For details on inserting the battery, see “Power Supply” on

page 7.

8+ (+ selection) / – (– selection/reset) buttons

In Setting mode, use these buttons to select the transmission

channel and attenuation level, and use the – button to reset

the accumulated battery use time indication to 00:00.

For details on Setting mode, see “Settings” on page 8.

A yellow mark appears

when the switch is in the

hold position.

Parts Identification

1234

BATT

indication

Lights Lights Flashes Goes off

Battery

condition Good Less than

half-charge Almost

exhausted Completely

exhausted

1,3

Power Supply

The microphone can operate on one LR6 (size AA) alkaline

battery continuously for about 5 hours at 25 ºC (77ºF).

Inserting the battery

1Turn the grip in the direction of the arrow to open the

battery holder.

2Match the battery to the polarity markings and insert it

into the battery holder.

3Close the battery holder and lock the grip by turning it

in the opposite direction of the arrow.

Battery indication

When you turn the power on, the battery condition is

indicated by the BATT indication in the liquid-crystal

display.

Note

The indication may be incorrect if the battery was not new

when inserted. If you plan to use the microphone for a long

period, replace the battery with a new one.

Channel selection

mode

Freqency selection

mode

Attenuator adjustment

mode

Accumulated time

indication reset mode

Press the

SET button.

Settings

Entering Setting Mode

Enter Setting mode to change the transmission channel, the

transmission frequency and the attenuation level, or to reset

the accumulated battery use time indication.

To enter Setting mode

While holding down the SET button, turn the POWER

switch to ON.

Hold the SET button down until an indication appears on the

liquid-crystal display.

The microphone enters Setting mode and the indication

before the microphone was previously turned OFF flashes

on the liquid-crystal display.

Pressing the SET button cycles the modes in the order of

Channel selection mode, Frequency selection mode (page

8), Attenuator adjustment mode (page 10) and Accumulated

time indication reset mode (see page 11).

Changing the Transmission Channel

The transmission channel can be selected through either the

channel number or the frequency.

1Set the microphone to Setting mode.

If the channel number (or frequency) indication does not

appear, press the SET button until the channel number

(or frequency) indication appears.

Display example

for U68 model

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