Sony WRT-867A Bedienungsanleitung

UHF SynthesizedWireless Microphone

1995 by Sony Corporation

3-798-105-12 (1)

Model:

WRT-867A

Operating Instructions

Before using the unit, please read this manual thoroughly and

retain it for future reference.

Notes on Use ...................................................................... 3

Introduction ...................................................................... 3

Features ............................................................................. 4

Parts Identification ........................................................... 5

Operation........................................................................... 6

Inserting the Battery....................................................... 6

Changing the Channel Selection .................................... 7

Channels and Carrier Frequencies ................................. 9

Notes on Microphone System Operation ..................... 10

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

Error Codes .................................................................. 10

Specifications................................................................... 11

Table of Contents

•When holding the microphone, do not hook your fingers

on the antenna, or touch or cover the antenna with your

hands.

Doing so can weaken the signal, resulting in noise.

•The unit is designed for use in an ambient temperature

range of 0°C to 50°C (32°F to 122°F).

•Do not place the unit on or near a heat source such as

lighting equipment or a power amplifier, 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.

Notes on Use Introduction

The WRT-867A is a wireless microphone for an 800 MHz

band UHF synthesized wireless microphone system to be

used for broadcast or movie production purpose. The other

system components include the WRT-810A UHF

Synthesized Wireless Microphone, the WRT-820A UHF

Synthesized Transmitter, the AN-820A UHF Antenna, the

WD-820A UHF Antenna Divider, the WRR-810A UHF

Synthesized Tuner, and the WRR-840A/860A UHF

Synthesized Diversity Tuner.

The microphones/transmitters and tuners are classified by

frequency band. See the table below.

A 14 MHz frequency band (or two consecutive-numbered

TV channels) is assigned to each microphone/transmitter

and tuner model. To indicate the assigned frequency bands,

the parenthesized numbers following the model names in

the table show the smaller of the assigned TV channel

numbers.

792.250 – 798.500

799.250 – 805.500

Frequency (MHz)

WRR-810A(66)

WRR-840A(66)a)

WRR-860A(66)

Tuner

WRT-810A(66)

WRT-820A(66)

WRT-867A(66)

Transmitter or

microphone

Model name

channel

Frequency band

a) For this model, the AN-820A UHF Antenna is required.

If necessary, also use the WD-820A UHF Antenna Divider.

Easy operation on 102 channels

The microphone uses a PLL (phase-locked loop)

synthesizer for operation on 102 channels (at 125 kHz

intervals), with simple button operations to change

channels.

Compact design

The unit has a slim and lightweight design, ideal for

popular music vocals on television.

Long operation on LR6 battery

The microphone operates for approximately four hours (at

normal operating temperatures) on one alkaline battery

(LR6).

New dynamic unit and rigid body

The newly-developed dynamic unit and rigid body produce

a rich and balanced sound with no rumble. Particularly

suited to stage vocals, where it provides clear and easy-on-

the-ear sound.

Features

Built-in attenuator

The attenuator can be set to 0, 6 or 12 dB by a switch

operation.

Wide dynamic range and low noise

The compander system enables transmission with a wide

dynamic range and low noise susceptibility.

Parts Identification

Antenna

Cage

Grip

Model number indication

Antenna

Power indicator

View from underside

LCD window

Channel setting

buttons

Attenuator switch

Serial number label

Battery

compartment

Operation

Inserting the Battery

The microphone operates for approximately four hours (at

normal operating temperatures) on one Sony AM3 alkaline

battery (LR6).

The microphone starts operating as soon as you insert the

battery.

2Insert the battery with the negative terminal downward,

and push it firmly into the battery compartment against

the spring.

The power indicator on the bottom of the microphone

lights in red, and the LCD window shows the currently

selected channel number.

To change the channel selection, see the section

“Changing the Channel Selection” on the next page.

3Replace the grip.

Note

Check that the battery is correctly in place before replacing

the grip. If you try to force the grip back on while the

battery is not properly in the battery compartment, it is

possible for the outer casing of the battery to be damaged

and cause a short-circuit.

Inserting the battery

1Twist the grip counterclockwise and slide down.

Grip

Battery

compartment

Grip LR6 battery

Battery

compartment

Battery replacement

Using a Sony alkaline battery, the microphone operates for

approximately four hours at normal operating temperatures.

After about three and a half hours of continuous operation,

the power indicator (red) on the bottom of the microphone

goes off, indicating that the battery level is low. When this

happens, replace the battery as soon as possible.

Notes on the battery

•Use a new alkaline battery, and check the recommended

use-by date on the bottom of the battery.

•Be careful to insert the battery with the correct polarity.

•When not using the microphone for a long period,

remove the battery. If there should be leakage from the

battery, wipe the battery compartment clean before

inserting a new battery. If the leakage is serious, consult

your Sony dealer.

Changing the Channel Selection

When you insert a battery in the microphone, the currently

selected transmission channel number appears in the LCD

window. To change the channel selection, the microphone

must be in the channel setting mode, in which the LCD

indication flashes.

There are two cases in which the microphone enters the

channel setting mode:

•Immediately after the battery is inserted

•If you hold down the + or – channel setting button for at

least 0.5 seconds

Flashing channel indication (66-01 in the example shown)

In the channel setting mode, to avoid interference with

other equipment in the vicinity, the antenna is powered off.

Indication flashes in

channel setting mode.

To set the channel

1Press the + or – channel setting button to change the

indication.

If you hold the button down, the numbers change more

rapidly.

Notes

•Make sure that the channel selected is the same as that

selected on the tuner unit used in the same system.

•Depending on the noise or interference conditions, the

selectable channels may not necessarily all be usable. If

necessary, you can determine the usable channels by

stepping the channel selection through a number of

channels on the tuner with the microphone/transmitter set

to OFF. Those channels on which the RF indicator of the

tuner does not light are usable.

•If there is a TV broadcasting station nearby, to avoid

possible interference with broadcasting, do not use that

station’s channel.

66-02

• • •

66-50 66-51

• • •

67-01 67-02

• • •

67-50

+ button

– button

66-01 67-51

2Release the button, and wait for about 3 seconds. The

indication stops flashing, and the microphone starts

transmitting on the new channel.

Saving the channel setting in memory

The new channel setting is automatically saved in an

internal memory, and the setting is retained if you remove

the battery. However, if you remove the battery while in

the channel setting mode, the flashing channel number is

not saved in memory, and the original setting is unchanged.

Operation

Channels and Carrier Frequencies

66-01 792.250

66-02 792.375

66-03 792.500

66-04 792.625

66-05 792.750

66-06 792.875

66-07 793.000

66-08 793.125

66-09 793.250

66-10 793.375

66-11 793.500

66-12 793.625

66-13 793.750

66-14 793.875

66-15 794.000

66-16 794.125

66-17 794.250

66-18 794.375

66-19 794.500

66-20 794.625

66-21 794.750

66-22 794.875

66-23 795.000

66-24 795.125

66-25 795.250

66-26 795.375

66-27 795.500

66-28 795.625

66-29 795.750

66-30 795.875

66-31 796.000

66-32 796.125

66-33 796.250

66-34 796.375

66-35 796.500

66-36 796.625

66-37 796.750

66-38 796.875

66-39 797.000

66-40 797.125

66-41 797.250

66-42 797.375

66-43 797.500

66-44 797.625

66-45 797.750

66-46 797.875

66-47 798.000

66-48 798.125

66-49 798.250

66-50 798.375

66-51 798.500

Frequency (MHz)

TV-66 Band

Channel Frequency (MHz)

TV-66 Band

Channel Frequency (MHz)

TV-66 Band

Channel Frequency (MHz)

TV-66 Band

Channel

67-01 799.250

67-02 799.375

67-03 799.500

67-04 799.625

67-05 799.750

67-06 799.875

67-07 800.000

67-08 800.125

67-09 800.250

67-10 800.375

67-11 800.500

67-12 800.625

67-13 800.750

67-14 800.875

67-15 801.000

67-16 801.125

67-17 801.250

67-18 801.375

67-19 801.500

67-20 801.625

67-21 801.750

67-22 801.875

67-23 802.000

67-24 802.125

67-25 802.250

67-26 802.375

67-27 802.500

67-28 802.625

67-29 802.750

67-30 802.875

67-31 803.000

67-32 803.125

67-33 803.250

67-34 803.375

67-35 803.500

67-36 803.625

67-37 803.750

67-38 803.875

67-39 804.000

67-40 804.125

67-41 804.250

67-42 804.375

67-43 804.500

67-44 804.625

67-45 804.750

67-46 804.875

67-47 805.000

67-48 805.125

67-49 805.250

67-50 805.375

67-51 805.500

Notes on Microphone System Operation

•In a system using twelve or fewer microphones, maintain

a distance of at least 30 cm (1 ft) between each pair of

microphones, and a distance of at least 3 m (10 ft)

between each microphone and its receiving antenna.

For details of operation with two or more channels, refer

to the Operating Instructions for the WRR-810A UHF

Synthesized Tuner and the WRR-840A/860A UHF

Synthesized Diversity Tuner.

•Ensure that the tuners set to channels not being used are

either turned off or set to the minimum output level (the

LEVEL adjustment knob set to MIN).

•When powering the microphone on or off, to keep the

noise to a minimum, set the audio output level from the

tuner or mixer to a minimum.

•Powering the microphone on without checking the

channel selection first may interfere with the operation of

other microphones/transmitters, if the current setting is

already being used.

Changing the Input Attenuation

Select an attenuation of 0, 6 or 12 dB according to the input

sound level.

Attenuator switch

-6

-12

Error Codes

In addition to the normal channel indication, the following

error codes may appear in the LCD window.

Error codes

Error code

Err 1

Err 2

Err 3

Meaning

An error occurred in

the data in backup

memory.

A fault occurred in

the PLL synthesizer

circuit.

Battery voltage

exceeds the

specified limit.

Required action

The data is

reinitialized. Reinsert

the battery, and set

the channel again.

Consult your Sony

dealer.

Use the correct

battery.

Operation

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