Sony WRT-822A Manual de usuario

3-866-667-21 (1)

WRT-822A

UHF

SynthesizedTransmitter

Operating Instructions

Bedienungsanleitung

Manual de instrucciones

Wireless Channel Lists/ Übertragungskanallisten/

Listas de canales inalámbricos page/Seite/página L-1

1999 by Sony Corporation [CE62] [CE69]

Table of Contents

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

Overview............................................................................. 2

Transmitting Channel Band ........................................... 2

Features .......................................................................... 3

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

Power Supply ..................................................................... 6

Connections ........................................................................ 8

Notes on Microphone

System Operation......................................................... 8

Settings................................................................................ 9

Initiating Setting Mode .................................................. 9

Changing the Transmitting Channel .............................. 9

Changing the Input Attenuation Setting ...................... 12

Resetting the Accumulated Time Indication ............... 12

Error Messages ................................................................ 13

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

Wireless Channel Lists.................................................. L-1

English

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.

Overview

The WRT-822A is a transmitter for an 800 MHz band UHF

synthesized wireless microphone system to be used for

general purpose.

The other system components include the WRT-800A/

810A/830A/867A UHF Synthesized Wireless Microphone,

the WRT-822A/860A UHF Synthesized Transmitter, the

AN-820A UHF Antenna, the WD-820A UHF Antenna

Divider, the WRR-805A/ 810A UHF Synthesized Tuner, the

WRR-800A/ 801A/ 820A/840A/850A/855A/860A UHF

Synthesized Diversity Tuner.

Transmitting Channel Band

The microphone/transmitter and tuners of the wireless

microphone system are classified by frequency band.

A 14-MHz frequency band (or two consecutive-numbered

TV channels, such as 62 and 63 of the WRT-822A/CE62

model) or an 8-MHz frequency band (or TV channel 69 and

UK General Use) is assigned to each microphone/transmitter

and tuner model.

In building a UHF wireless microphone system, be sure to

combine a microphone/transmitter and a tuner having the

same TV channel number.

CE62 model

A 14-MHz frequency band is assigned to the WRT-822A/

CE62 model, permitting it to operate on any of 111 carrier

frequencies in 125-kHz steps of Sony original channel plan

or 561 carrier frequencies in 25-kHz steps of German User

Groups in the range of TV channels 62 and 63.

For the selectable channels, see the following pages:

“Sony Original Channel Groups” (62ch Model) on page L-3.

“German User Group-3” (62ch Model) on page L-6.

“German User Group-4” (62ch Model) on page L-7.

“German User Groups” on page L-8.

CE69 model

An 8-MHz frequency band is assigned to the WRT-822A/

CE69 model, permitting it to operate on any of 64 carrier

frequencies in 125-kHz steps of Sony original channel plan

or 14 carrier frequencies in 25-kHz steps of UK General

Use.

For the selectable channels, see the following pages:

“Sony Original Channel Groups” (69ch Model) on page

L-13.

“UK General Use Groups” on page L-14.

Features

Phase Locked Loop (PLL) synthesized system

The WRT-822A has a refined phase locked loop (PLL)

synthesizer circuit.

Preprogrammed wireless channel plans for simultaneous

multi channel operation

The WRT-822A has many preprogrammed channel groups,

meaning combination of wireless channels to permit

simultaneous operation of multiple channels without

intermodulation.

Any available group and channel can be selected with a

simple button operation.

Compact and lightweight

Innovative high-density mounting technology and

magnesium case have enabled the creation of this compact

and lightweight transmitter, which lets you move anywhere

for Electronic News Gathering (ENG) and Electronic Field

Production (EFP).

Remote battery alarm on tuner

This transmitter has capability of transmitting “Battery

status information” to the WRR-800A/801A/805A/850A to

give advance warning of battery depletion.

The information is sent to the WRR-800A/801A/805A/

850A in approx. one hour advance to battery exhaust so that

they can safely replace batteries of the transmitter.

When the WRR-800A/801A/805A/850A receives the

information, the LED and the LCD on the panel start

flashing.

Operation powered by easily available batteries

The built-in high efficiency DC-DC converter allows stable

operation, for about 8 hours continuously, with two LR6

(size AA) alkaline batteries.

LCD for coordinated operation control

The built-in CPU controls operation of the unit, including

the PLL circuit function. The LCD shows the current

channel number/frequency, the residual battery power, input

attenuation setting, AF input level and RF output.

An accumulated operation time indication is also provided for

simple control of the time of battery use (in one-minute

increments).

Saved channel and input attenuation settings

The unit stores the channel and the input attenuation setting

when it is turned off. The saved settings are retained even if

the batteries are removed. Therefore, when using the unit

next time, you need not make the same settings again.

Highly reliable electronic attenuator

The built-in input level attenuator is adjustable in a range of

0 to 21 dB in 3-dB steps. It reduces signal distortion when

an excessively strong audio signal is inputted.

BATT

–

SET

OFF

AFRF

4SET

button

5POWER

switch

Battery

holder

Wire antenna

3Audio

input

connector

2+/– buttons

1Display section

SET

Use a ballpoint pen or

similar instruments

to press +/– , SET

buttons.

Overview

Compatibility with Sony lavalier microphone

The transmitter is compatible with Sony lavalier

microphones, including the ECM-77BC.

RF carrier with tone signal

The unit transmits the RF carrier accompanied by a tone

signal, enabling the tuner with a tone squelch circuit to take

out only the target audio signal received.

Wide dynamic range and low noise

The compander (compressor/expander) system enables

transmission over a wide dynamic range with minimum

noise.

Parts Identification

1Display section

AAF (audio input) indication

Lights when an audio signal over the reference level is being

supplied.

BRF (antenna output) indication

Lights when a signal is being transmitted from the antenna.

CBATT (battery) indication

Displays the status of the batteries.

See “Battery indication” on page 7.

DCH (channel) indication

Displays the transmission channel.

Each time you press the SET button in normal Transmit

mode, the channel indication changes to the frequency, input

attenuation and accumulated time indications as shown in

the right column.

Channel indication

Display example for

CE62 model Attenuation indication

Accumulated time

indication

Display example for CE62 model

Frequency indication

AB C

In Attenuation indication mode, it displays the input

attenuation setting in dB, which can be changed in a range

of 0 to 21 dB in 3-dB steps.

In Accumulated time indication mode, it displays the

accumulated time of battery use (in one-minute increments).

For adjustments, see “Changing the Transmitting Channel”

on page 9, “Changing the Input Attenuation Setting” on page 12

or “Resetting the Accumulated Time Indication” on page 12.

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

In setting mode, select the transmission channel, frequency

and attenuator level using either of these buttons, or reset the

time-of-use indication to “00:00” with the – button.

For Setting mode, see “Settings” on page 9.

Parts Identification

Two LR6 (size AA)

alkaline batteries

3Audio input connector

Connect the output connector of the following Sony lavalier

microphones: ECM-44BC, ECM-55BC, ECM-66BC,

ECM-77BC/FC, ECM-166BC, ECM-310BC, ECM-350BC.

You can also use your wired microphone by connecting it to

this connector with an optional EC-1.5CF microphone cable.

See “Connections” on page 8.

4SET button

In normal Transmit mode, this button changes the indication

items of the display section as shown on page 5.

In Setting mode, this button selects the item to be set. To

initiate the setting mode, set the POWER switch to ON

while holding this button down.

For setting the transmit channel, input attenuation or

resetting the time-of-use indication in Setting mode, see

“Settings” on page 9.

5POWER switch

Turns the power of the transmitter ON or OFF.

When you set this switch to ON without holding any other

button, the transmitter is set to normal Transmit mode and

transmits the signal of the selected channel.

When you set this switch to ON while holding the SET

button down, Setting mode is initiated. No signal is

transmitted in Setting mode.

Note

Be sure to connect a microphone before turning the power

ON.

Power Supply

The transmitter can operate on two LR6 (size AA) alkaline

batteries continuously for about 8 hours at 25°C (77°F).

Installing the batteries

1Slide the battery-holder catches inward ( in the direction

of the arrows bb

b B) to take out the battery holder.

2Match the polarities and insert the batteries.

3Set the battery holder in the original position.

Battery indication

When you turn the power on, the battery status appears in

the BATT indication on the display section.

When the batteries reach stage 3 shown in the table, the

BATT indication on the WRR-800A/801A/850A/855A also

starts flashing.

Note

The indication may be incorrect if the batteries are not new

when installed. If you plan to use the transmitter for a long

period, it is best to replace the batteries with new ones.

Notes on batteries

•Use new alkaline batteries.

•Do not pair different types of battery.

•Always replace the two batteries together.

•The batteries are not rechargeable.

•Be careful to install the batteries with the correct polarity.

•When not using the transmitter for a long period, remove

the batteries to avoid leakage. If the batteries do leak,

clean all leakage from the battery holder case and the unit.

Leakage left in the holder case and the unit may cause

poor battery contact. If there seems to be poor battery

contact, consult your Sony dealer.

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Microphone (not supplied)

Connections

Caution

When connecting a microphone to the unit, be sure to turn

the unit off.

To connect a microphone

The WRT-822A accepts the following Sony lavalier

microphones:

ECM-44BC ECM-55BC ECM-66BC

ECM-77BC/FC ECM-166BC

ECM-310BC ECM-350BC

You can also use your wired microphone by connecting it to

this connector with an optional EC-1.5CF microphone cable.

To secure the microphone cable connection, be sure to turn

and lock the connector cover as illustrated below.

For the input attenuation adjustment, see page 12.

Notes on Microphone

System Operation

•To operate with two or more channels, maintain a distance

of at least 30 cm (one ft.) between each pair of

transmitters.

For details of operation with two or more channels, refer

to the Operating Instructions for the WRR-800A/801A/

805A/ 820A /840A /850A /855A/860A.

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

either turned off or set to the minimum output level.

•When powering the transmitter 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 transmitter on without checking the channel

selection first may interfere with the operation of other

microphones/transmitters, if the current setting is already

being used.

•To prevent noise generation, keep the microphones and

transmitters at least 3 m (10 feet) away from the antennas

when the system is operated using a group which allows

selection of up to 11 channels, and at least 6 m (20 feet)

away when using a group which allows selection of 12

channels.

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