Sony WRT-8P Manuale utente

DRAFT

UHF Synthesized

Transmitter

Operating Instructions

Before operating the unit, please read this manual thoroughly and

retain it for future reference.

WRT-8P

Owner’s Record

The model number plate is located on the side and the serial number is located inside

the battery compartment. Record the model and serial numbers in the space provided

below. Refer to these numbers whenever you call upon your Sony dealer regarding

this product.

Model No. WRT-8P 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 license.

You are cautioned that any changes or modifications not expressly approved in this

manual could void your authority to operate this equipment.

IMPORTANT NOTE: To comply with the FCC RF exposure compliance

requirements, no change to the antenna or the device is permitted. Any change to the

antenna or the device could result in the device exceeding the RF exposure

requirements and void user’s authority to operate this device.

This equipment complies with FCC radiation exposure limits set forth for an

uncontrolled environment. This equipment should be installed and operated with

minimum distance 20cm between the radiator and body (excluding extremities:

hands, wrists and feet).

FCC Radiation Exposure Statement:

The available scientific evidence does not show that any health problems are

associated with using low power wireless devices. There is no proof, however, that

these low power wireless devices are absolutely safe. Low power Wireless devices

emit low levels of radio frequency energy (RF) in the microwave range while being

used. Whereas high levels of RF can produce health effects (by heating tissue),

exposure to low level RF that does not produce heating effects causes no known

adverse health effects. Many studies of low level RF exposures have not found any

biological effects. Some studies have suggested that some biological effects might

occur, but such findings have not been confirmed by additional research. The WRT-

8P has been tested and found to comply with the Federal Communications

Commission (FCC) guidelines on radio frequency energy (RF) exposures.

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 license 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 license is issued on no-

interference, no-protection basis with respect to broadcast signals.

Operation of this device is subject to the following two conditions: (1) this device

may not cause interference, and (2) this device must accept any interference,

including interference that may cause undesired operation of the device.

The term “IC:” before the radio certification number only signifies that Industry

Canada technical specifications were met.

IC Exposure of Humans to RF Fields

The installer of this radio equipment must ensure that the antenna is located or

pointed such that it does not emit RF field in excess of Health Canada limits for the

general population; consult Safety Code 6, obtainable from Health Canada’s website

www.hc-sc.gc.ca/rpb”

Table of Contents

•Overview (Features) ---- 5

•Precautions ---- 5

•Parts Identifications ---- 6

•Power Supply ---- 9

•Settings ---- 10

Initialing setting mode

Setting the transmission channel

Setting the attenuation level of the audio input

Setting the RF output power

Setting the +48V power supply

•Attachment and installation procedures ---- 13

•Notes on microphone system operations ---- 14

•System Configurations ---- 15

•Error Messages ---- 16

•Specifications ---- 17

Overview

The WRT-8P is a plug-on transmitter

for a UHF synthesized wireless

microphone system to be used for

broadcast or movie production purpose.

This transmitter is suitable for

Electronic News gathering (ENG) and

Electronic Field Production (EFP).

The microphone/transmitter and tuner

of the wireless microphone system are

classified by frequency band.

A 24-MHz frequency band 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 wireless

channel (frequency).

Features

The features of the WRT-8P are:

•Converts a wired microphone to a

wireless microphone via an XLR-type

connector.

•Compact and lightweight metal body

provides high durability and good

balanced handling.

•250 mW high RF output power for

stable long-distance transmission.

•Selectable RF output power: 250

mW/50 mW.

•+48 V power supply capability.

•Switchable input level: MIC/LINE

•Attenuator function allows adjustment

of the audio-input level.

•A backlit LCD provides extensive

information.

•Optimized balance when combined

with the F-112 dynamic microphone.

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 expose to an active or

corrosive 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.

Parts Identification

Audio input connector

AF/PEAK indicator

(Audio input LEVEL)

Display section

SET button

MIC / LINE selector

POWER switch

+48V indicator

4- , + buttons

AF LEVEL control

Battery lid

Parts identification

Audio input connector

Connect the following Sony’s

microphones: F112, ECM-678, ECM-

674 or a line output cable from Sony’s

portable mixer DMX-P01.

When connecting a microphone or a

cable to the unit, be sure to turn the

unit off.

SET button

In Transmitting mode, press this

button to change the indicated items in

the lower half of the LCD display.

The SET button is also used to enter

the Setting mode and select the item to

be set.

+ / – buttons

In setting mode, select the

transmission channel, frequency and

RF output power setting using either of

these buttons, or set/reset the +48V

power supply.

POWER switch

Turns the transmitter ON or OFF.

Be sure to connect a microphone or a

cable before turning the power ON.

AF LEVEL control

Adjusts the audio level from the audio

input connector.

Caution

Note

A AF (audio input) indication

Appears whenever an audio signal

stronger than the reference level is

received.

B RF (antenna output) indication

Appears during signal transmission

from the antenna.

C RF power indication

Shows the RF output power setting.

See “Changing the RF Output Power.”

D BATT (battery) indication

Shows the battery condition.

See “Battery indication” in “Power

Supply” section.

E CH (channel) indication

Shows transmitting channel.

Each time you press the SET button in

Transmitting mode, the channel

indication changes as follows.

Display section

Parts identification

AF LEVEL control

Adjusts the audio input level from the

audio input connector .

MIC/LINE select switch

Set this switch to MIC when a

microphone is connected to the audio

input connector; set it to LINE when

an audio mixer, etc. is connected to the

audio input connector.

For details, on the use of this switch,

see “Adjusting the Audio Input Level.”

Before changing to the MIC position

from LINE position, be sure to turn the

unit off to avoid a noise when the

+48V power supply is turned on, or

adding high output level audio signal.

AF/PEAK indicator

The green or red color indicates the

strength of the audio input signal level.

+48V indicator

The indicator shows the +48V power

supply is enable when MIC/LINE

switch is in MIC position.

Battery lid

Slide the battery lid to release the lock

and open the battery compartment.

Note

Power Supply

Battery indication

When you turn the power on, the battery condition is shown by the BATT indication

in the display section.

When the indication in column 4 starts to flash, replace the batteries with new one.

Be sure to check the expiration date printed on the new battery before using it.

The indicated battery condition may not be correct if the battery was not new when

installed. If you plan to use the component for a long period, it is recommended that

you replace the battery with brand new one.

Notes on battery

Battery may leak or explode if mistreated. Be sure to follow these instructions.

• Be sure to install the battery with the correct polarity.

• The battery are not rechargeable.

• When not using the component for a long period of time, remove the battery to

avoid leakage. If the battery dose leak, clean all leakage from the battery

compartment and the component. Leakage left in the compartment and the component

may cause poor battery contact. If there seems to be poor battery contact, consult your

Sony dealer.

NOTE

WRT-8P can be powered by one 6LR61 (9V) alkaline battery for about five hours of

continuous operation (at 25°C, 77°F) .

The battery condition Indication are given below:

Inserting the battery

1Slide the battery lid to release the lock

and open the battery compartment.

2Align one new 6LR61 (9V) alkaline

battery with the polarity markings and

insert them into the battery compartment,

and then close the cover.

Settings

NOTE Initiating Setting Mode

In Setting mode, you can change the

transmission channel/frequency and

the RF output power level, or +48V

power supply.

To Enter Setting Mode

While holding down the SET button,

set the POWER switch to ON.

The transmitter enters Setting mode

and the indication before the

transmitter was previously turned

OFF flashes on the display section.

Each time you press the SET button,

the setting items are cyclically

switched as shown below.

• The transmitter cannot transmit in

Setting mode.

• Make sure that the channel selected

on the transmitter is the same as

that selected on the tuner being

used in the same system.

• Depending on the noise or

interference conditions, all

selectable channels may not be

usable. If necessary, you can

determine which channels are

usable by cycling the channel

selection through a number of

channels on the tuner with the unit

set to OFF. Those channels for

which the RF indicator on the tuner

does not light are usable.

• If there is a TV broadcasting station

near by, do not use the station’s

channel.

• The transmitter may not operate

correctly if it is turned on

immediately after being turned off

in Setting mode. Wait for a few

seconds before turning the power

on again.

• The channel numbers and

frequencies of your transmitter are

shown on the “Sony Wireless

Microphone System Frequency

List” supplied with the manual.

MIC or LINE

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