Sony WRT-805A Manuel utilisateur

3-860-341-31(1)

WRT-805A

1997 by Sony Corporation [AU66]

UHF

SynthesizedTransmitter

Operating Instructions EN

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.

Table of Contents

•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.

Precautions......................................................................... 2

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

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

Channels and Carrier Frequencies.................................. 5

Parts Identification ............................................................ 6

Power Supply ..................................................................... 8

Connections ...................................................................... 10

Notes on Microphone System Operation....................... 11

Settings.............................................................................. 11

Initiating Setting Mode ................................................ 11

Changing the Channel Selection.................................. 12

Changing the Input Attenuation Setting ...................... 13

Resetting the Accumulated Time Indication ............... 14

Error Messages ................................................................ 14

Specifications.................................................................... 15

Introduction

The WRT-805A is a transmitter to be used in combination

with the WRR-800A/801A UHF Synthesized Diversity

Tuner for an 800-MHz band UHF synthesized wireless

microphone system for broadcast or movie production

purpose.

The WRT-805A can also be used in conventional Sony

Wireless Microphone System composed of the WRT-810A/

820A UHF Synthesized Transmitter, the WRR-810A/820A/

840A/850A UHF Synthesized Diversity Tuner, etc.

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 66 and 67 of the WRT-805A) 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.

Features

Easy selection of 102 channels

The unit can operate on any one of 102 carrier frequencies

selected by a simple button operation.

Compact and lightweight

Innovative high-density mounting technology has enabled

the creation of this compact and lightweight transmitter,

which lets you move anywhere for Electronic News

Gathering (ENG) and Electronic Field Production (EFP).

The curved design of the moulded case allows a comfortable

fit to your waist.

Remote battery alarm on tuner

This transmitter has capability of transmitting “Battery

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

advance warning of battery depletion.

The information is sent to the WRR-800A/801A/850A in

approx. 1 hour advance to battery exhaust so that they can

safely replace battery of the transmitter.

When the WRR-800A/801A/850A receives the information,

the LED and the LCD on the panel start flashing.

Operation powered by easily available battery

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

operation, for about 6 hours continuously, with just a single

LR6 (size AA) alkaline battery.

LCD for coordinated operation control

The LCD shows the current channel number, 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 1-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 battery is 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.

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.

Audio input connector (3.5-mm dia.) with locking

mechanism

The screw-type locking mechanism ensures reliable

connection.

Compact helical antenna

Introduction

The WRT-805A can transmit on any selected wireless

channel among those listed below. For channel selection, see “Changing the Channel

Selection” on page 12.

Channels and Carrier Frequencies

lennahCLW)zHM(ycneuqerFlennahCLW)zHM(ycneuqerFlennahCLW)zHM(ycneuqerFlennahCLW)zHM(ycneuqerF

10-66052.29772-66005.59710-76052.99772-76005.208

20-66573.29782-66526.59720-76573.99782-76526.208

30-66005.29792-66057.59730-76005.99792-76057.208

40-66526.29703-66578.59740-76526.99703-76578.208

50-66057.29713-66000.69750-76057.99713-76000.308

60-66578.29723-66521.69760-76578.99723-76521.308

70-66000.39733-66052.69770-76000.00833-76052.308

80-66521.39743-66573.69780-76521.00843-76573.308

90-66052.39753-66005.69790-76052.00853-76005.308

01-66573.39763-66526.69701-76573.00863-76526.308

11-66005.39773-66057.69711-76005.00873-76057.308

21-66526.39783-66578.69721-76526.00883-76578.308

31-66057.39793-66000.79731-76057.00893-76000.408

41-66578.39704-66521.79741-76578.00804-76521.408

51-66000.49714-66052.79751-76000.10814-76052.408

61-66521.49724-66573.79761-76521.10824-76573.408

71-66052.49734-66005.79771-76052.10834-76005.408

81-66573.49744-66526.79781-76573.10844-76526.408

91-66005.49754-66057.79791-76005.10854-76057.408

02-66526.49764-66578.79702-76526.10864-76578.408

12-66057.49774-66000.89712-76057.10874-76000.508

22-66578.49784-66521.89722-76578.10884-76521.508

32-66000.59794-66052.89732-76000.20894-76052.508

42-66521.59705-66573.89742-76521.20805-76573.508

52-66052.59715-66005.89752-76052.20815-76005.508

62-66573.59762-76573.208

Parts Identification

Location of parts

1POWER 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.

For setting mode, see “Settings” on page 11.

Note

Be sure to connect a microphone or guitar cable before

turning the power ON.

2Liquid-crystal display

aAF (audio input) indication

Lights when an audio signal over the reference level is being

supplied.

AF RF BATT

a b c

POWER

OFF ON

INPUTPHASE

SETCH

BATT

–

Battery

compartment

(See page 8.)

2Liquid-crystal

display

4+/– buttons

3SET button

8Belt clip

6INPUT level

switch

7PHASE switch

Antenna

1POWER switch

5Audio input

connector

bRF (antenna output) indication

Lights when a signal is being transmitted from the antenna.

cBATT (battery) indication

Displays the status of the battery.

See “Battery indication” on page 9.

dCH (channel) indication

Displays the transmission channel.

Each time you press the SET button in normal Transmit

mode, the channel indication changes to the input

attenuation and accumulated time indications.

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 1-minute increments).

For adjustments, see “Changing the Channel Selection” on

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

13 or “Resetting the Accumulated Time Indication” on page

14.

3SET button

In normal transmit mode, press this button to change the

indication items in the lower half of the liquid-crystal

display.

When you set the POWER switch to ON while holding this

button down, setting mode is initiated. In Setting mode,

press this button to select the item to be set.

For Setting mode, see “Settings” on page 11.

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

In setting mode, select the transmission channel 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 11.

5Audio input connector (ø3.5 mm, with locking

mechanism)

To connect a microphone or other audio source.

See “Connections” on page 10.

GND +5 V (output)

INPUT

Channel

indication Attenuation

indication Accumulated time

indication

CH CH CH

SET

–

PUSH

6INPUT level switch

Select the reference input level appropriate for the connected

audio source.

–60 dBV: For a microphone

–40 dBV: For an electric guitar

7PHASE switch

Select the input phase appropriate for the connected audio

source.

= : For a microphone other than the ECM-44BMP or an

electric guitar

ø : For the ECM-44BMP

Power Supply

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

battery continuously for about 6 hours at 25°C (77°F).

Inserting the battery

1Slide the lid in the direction of the arrow ($) to open the

battery compartment.

2Match the polarities and insert the battery.

3Close the lid and slide it in the reverse direction to lock.

Lid

Switch functions

7hctiwsESAHP 6hctiwslevelTUPNI VBd06–VBd04–

PMB121-MCE

PMB221-MCE

PMB013-MCE PM7.0-CG

øPMB44-MCE—

8Belt clip

You can easily carry the transmitter attached to your

clothing on your belt, etc. Depending on your selection of

the mount holes for the belt clip, you can adjust the position

or even carry the unit with the antenna downward.

Parts Identification

Battery indication

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

the BATT indication on the liquid-crystal display.

1234

TTAB

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sthgiLsthgiLsehsalFffoseoG

yrettaB

noitidnoc

dooGnahtsseL

egrahc-flah

tsomlA

detsuahxe yletelpmoC

detsuahxe

When the battery reaches stage 3 shown in the table, the

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

flashing.

Promptly replace the battery when the indications flash.

Note

The indication may be incorrect if the battery is not new

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

period, it is best to replace the battery with new one.

Notes on battery

•Use a new alkaline battery.

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

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

battery to avoid leakage. If the battery does leak, clean all

leakage from the unit and insert a new battery. Leakage left

in the unit may cause poor battery contact. If there seems to

be poor battery contact, consult your Sony dealer.

POWER

OFF ON

INPUTPHASE

SETCH

BATT

–

Connections

Caution

When connecting a microphone or electric guitar to the unit,

be sure to turn the unit off.

To connect an electric guitar

For connection of an electric guitar, use the optional GC-0.7

MP Guitar Cable.

To obtain the proper output level

The optimum level setting depends on type of guitar. Set the

INPUT level switch and the ATT (attenuator) level of this unit

according to the guitar to be used.

INPUT switch: –60 dBV

Set the PHASE switch to “ø” when

using the ECM-44BMP.

For other microphone, set it to “=.”

INPUT level switch: –40 dBV

PHASE switch: =

GC-0.7 MP

guitar cable

(optional)

Loud noise: If noise is not negligible even if the INPUT

switch is set at “–40 dBV” and the ATT level is “0 dB,” set

the INPUT switch to “–60 dBV” and adjust the ATT level

for an optimum result.

Distortion: If the guitar sound is distorted even if the

INPUT switch is set at “–40 dBV” and the ATT level is “0

dB,” increase the ATT level by 3 dB (0 to 3 to 6 . . . 21 dB).

For the ATT level adjustment, see page 13.

To connect a microphone

When using one of the following optional Sony Electret

Condenser Microphones equipped with a miniature phone

plug, connect it as illustrated below.

Sony

Electret Condenser

Microphones (optional):

ECM-44BMP

ECM-122BMP

ECM-121BMP

ECM-310BMP

POWER

OFF ON

INPUTPHASE

SETCH

BATT

–

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