Sony WRR-862A, Wrr-862B User Manual

UHF Synthesized Dual Diversity Tuner
3-205-401-13 (1)
Operating Instructions Mode d'emploi Bedienungsanleitung Manual de instrucciones
WRR-862A/WRR-862B
2000 Sony Corporation
GB FR DE ES
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. WRR-862A/862B Serial No.
Notice for customers in the U.S.A.
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
If you have any questions about this product, you may call:
Sony's Business Information Center (BIC) at 1-800-686-SONY (7669)
or Write to:
Sony Customer Information Services Center 6900-29 Daniels Parkway, PMB 330 Fort Myers, Florida 33912
Declaration of Conformity
Trade Name: SONY Model No.: WRR-862B Responsible Party: Sony Electronics Inc. Address: 1 Sony Drive, Park Ridge,
NJ.07656 U.S.A.
Telephone No.: 201-930-6972
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
II
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.
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.
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, non­protection avec les signaux de radiodiffusion.
L’utilisation de cet appareil est soumise aux deux conditions suivantes : (1) cet appareil ne peut causer d’interférences, et (2) cet appareil doit accepter toutes les interférences, y compris les interférences capables de provoquer un
fonctionnement indésirable de l’appareil.
III
Notice for customers in Europe Spécifications particulières pour les consommateurs européens Hinweis für Kunden in Europa Aviso para los usuarios en Europa
U.K. 854.125 - 862 MHz Germany 798 - 822 MHz Norway 800 - 820 MHz Luxembourg 800 - 830 MHz, 854.125 - 862 MHz Belgium 854.125 - 862 MHz Denmark 800.100 - 819.900 MHz France 470 - 830 MHz Italy 800 - 820 MHz Sweden 800 - 820 MHz Switzerland 800 - 820 MHz Finland 800 - 814 MHz Iceland 800 - 814 MHz Austria 774 - 790 MHz Netherland 774 - 782 MHz
IV
Hereby, Sony Corporation, declares that this WRR-862B is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC.
Sony Corporation déclare par la présente que ce WRR-862B est conforme aux exigences fondamentales et aux autres dispositions applicables de la Directive 1999/5/CE.
Hiermit erklärt die Sony Corporation, daß das Modell WRR-862B die grundlegenden Anforderungen und sonstigen relevanten Bestimmungen der Richtlinie 1999/5/EU erfüllt.
Por la presente, Sony Corporation, declara que este WRR-862B cumple con los requisitos esenciales y otras disposiciones pertinentes de la Directiva 1999/5/CE.
English

Table of Contents

Precautions

Precautions ......................................................................... 1
Overview.............................................................................2
Features .......................................................................... 2
Parts Identification ............................................................ 3
Power Supply ..................................................................... 6
Settings................................................................................ 7
Wireless Channel Selection ........................................... 7
Setting the Squelch Level ............................................ 10
Resetting the Accumulated Time Indication ............... 11
Selecting the Backlight Mode...................................... 12
Error Messages ................................................................ 12
Specifications.................................................................... 13
Appendix .......................................................................... 15
Connections ................................................................. 15
Attaching to a Camcorder ............................................ 15
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 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.
GB
English
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Overview

The WRR-862A/862B is a highly reliable diversity tuner for the Sony UHF wireless microphone system to be used for broadcast or movie production purposes. This tuner is suitable for Electronic News Gathering (ENG) and Electronic Field Production (EFP).
The microphone/transmitter and tuners of the wireless microphone system are classified by frequency band. In building a UHF wireless microphone system, be sure to combine a microphone/transmitter and a tuner having the same wireless channel (frequency).

Features

Dual Diversity Tuner
Despite of its compact design, the WRR-862A/862B simultaneously receives two signal channels. A space diversity system is employed on both channels to eliminate signal dropout and provide stable reception. Two SMC9-4S (Sony 4 pin) audio output connectors are provided on the top panel.
Wide Operating Frequency ranges
The WRR-862A operates over a 14 MHz frequency band within the range of 792 MHz to 806 MHz (model available in Australia) , while the WRR-862B operates over a 24 MHz frequency band between 470 MHz to 806 MHz (model available in U.S.A.), or 470 MHz to 862 MHz (model available in Europe).
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WRR-862A
Model available in Australia: 792 to 806 MHz, TV channels 66 to 67
WRR-862B
Model available in USA: 470 to 806 MHz, TV channels 14 to 69 (14
frequency band, divided into 24 MHz range. All 14 frequency bands may not be available in some areas.)
Model available in Europe: 470 to 862 MHz, TV channels 21 to 69 (17
frequency band, divided into 24 MHz range. All 17 frequency bands may not be available in some areas.)
Compact, lightweight and easy to mount on Sony camcorders
The WRR-862A/862B is extremely compact and lightweight, housing in the rugged, die-cast magnesium case. It is easily mounted on Sony camcorders.
Preprogrammed wireless channel plans for simultaneous multi channel operation
The WRR-862A/862B has many preprogrammed channel groups, meaning combination of wireless channels to permit simultaneous operation of multiple channels without intermodulation.
See “Wireless Microphone System Frequency List” supplied with this manual.
Extensive information by the LEDs and LCD display
The LEDs indicate each channel RF input level (green/ red indication), diversity reception status, and transmitter battery alarm. The LCD display for each tuner indicates the
Overview
operating channel/frequency, AF output level, RF input level, battery status of the tuner, and the accumulated operating time.
Long operating time
Approximate five hours of continuous operation is provided by using four LR6 (size AA) alkaline batteries. The WRR­862A/862B can also be operated on the external power from Sony camcorders via the supplied DC cable.
Switchable RF squelch
The RF squelch can be easily turned ON or off with the panel button. The RF squelch level is selectable from 5 dBµ, 10 dBµ and 15 dBµ.

Parts Identification

1 ANT a/b connectors 2 OUTPUT 1/2 (BAL)
connectors
3 MONITOR connector 4 RF indicators 5 TX BATT indicators 6 MONITOR switch
7 MONITOR volume 8 SQUELCH switch
Output monitoring
Monitoring of the tuner 1, the tuner 2, or mixed 1 and 2 output is selectable. The monitor volume is adjustable with a knob.
9 Display section 0 +/– buttons
qa SET button
Battery holder
qs MODE button qd CONTROL switch qf POWER switch
qg DC 12V IN connector
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Parts Identification
1 ANT (antenna) a/b connectors
Connect the antennas supplied to both ANT a/b connectors.
Note
Be sure to connect two antennas to these connectors, even when you use one tuner, to make the diversity reception properly.
2 OUTPUT 1/2 (BAL) connectors
The OUTPUT 1 connector supplies audio signal output from tuner 1, and the OUTPUT 2 connector supplies the output from tuner 2. Connect these connectors to the microphone input connector of a camcorder, mixer, or tape recorder by using the supplied cable.
3 MONITOR connector
To monitor the tuner output, connect the headphones, equipped with a 3.5 mm (5/32 inch) dia stereo mini jack. Use either of stereo or monaural headphones. Select the tuner to be monitored with the MONITOR switch, and adjust the monitor level with the MONITOR volume.
4 RF (radio frequency) indicators
Indicate the strength of the RF input signal and the receiving antenna for diversity reception of each tuner; the left pair is for the tuner 1, and the right pair is for the tuner
2. The indication color shows the strength of the RF input signal. The indicated signal level changes corresponding to
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the squelch level setting. When the squelch level is set to 5 dBµ;
On in green: RF input is more than 15 dBµ. On in red: RF input is between 5 dBµ and 15 dBµ. Off: RF input is less than 5 dBµ.
When the squelch level is set to 10 dBµ;
On in green: RF input is more than 20 dBµ. On in red: RF input is between 10 dBµ and 20 dBµ. Off: RF input is less than 10 dBµ.
When the squelch level is set to 15 dBµ;
On in green: RF input is more than 25 dBµ. On in red: RF input is between 15 dBµ and 25 dBµ. Off: RF input is less than 15 dBµ.
5 TX BATT (transmitter battery) indicators
Show the battery conditions of the two wireless microphone transmitters independently. The indicators start flashing about one hour before the transmitter batteries go flat.
6 MONITOR switch
Select the tuner to monitor. The “1+2” position allows to monitor the mixed output of both tuners.
7 MONITOR volume
Turn to adjust the monitoring level through headphones.
8 SQUELCH switch
In ordinary use, set the switch to ON, and the noise and signal interference will be eliminated when the tuner is in
signal reception stand-by mode. Set to OFF to search outside noise or a radio wave which may disrupt the transmission.
Note
If you turn off the SQUELCH switch when the tuner is in stand-by condition for signal receiving or when the RF input level is low, noise may be heard or the connected device or speakers may be damaged. Be sure to operate this switch only after minimizing the input of the connected device.
See “Setting the Squelch Level” on page 10.
9 Display section
Shows the status of the tuner; the left display shows the tuner 1, and the right shows the tuner 2. For details of each indication, see A to D.
AFRF BATT
GP
CH GP
AFRF BATT
CH
A
B
C
C GP/CH (group/channel) indication
Shows the receiving channel group and channel number. Each time you press the MODE button the group/channel indication changes to the frequency, squelch level, accumulated time of battery use and backlight mode indications.
Group/channel
Backlight mode
Group/channel and frequency indications show those of the U66 model as an example
Frequency Squelch level
Accumulated time of battery use
For each item setting, see “Settings" from page 7 to 12.
D
A AF (audio frequency) indication
Lights when the output audio signal is over the reference level.
B BATT (battery) indication
Displays the status of the batteries of this tuner.
See “Battery indication” on page 6.
D RF (radio frequency) indications
The number of dots shows the RF input level as below.
Four dots on: more than 35 dBµ Three dots on: between 25 dBµ and 35 dBµ Two dots on: between 15 dBµ and 25 dBµ One dot on: between 5 dBµ and 15 dBµ No dot: less than 5 dBµ
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Parts Identification

Power Supply

0 + (+ selection) / – (– selection/reset) buttons
When setting the transmission channel, frequency, squelch level and backlight mode, press these buttons to change its contents. The “–” button resets the accumulated time indication to “00:00”.
qa SET button
Press to set and fix the item on the display.
qs MODE button
Press to select the item shown on the display.
qd CONTROL switch
Select the tuner to be set.
qf POWER switch
Turns the power of the tuner ON or OFF.
qg DC 12V IN connector
For external power operation, connect to an external power supply (DC 10 V to 17 V) of a camcorder using the supplied power cable.
For connecting the antennas, output cables and DC power cable and attaching the unit to a camcorder, see “Appendix” on page 15.
Installing the batteries
The tuner can operate on four LR6 (size AA) alkaline batteries continuously for about 5 hours at 25°C (77 °F).
Four Alkaline batteries LR6 (sizeAA)
1 Slide the battery-holder catches inward to take out the
battery holder.
2 Match the polarities and insert the batteries. 3 Set the battery holder in the original position.
Confirm that both catches on the holder are locked.
Battery indication
When you turn the power on, the battery status of this unit appears in the BATT indication on the display section.
Note
The indication may be incorrect if the batteries are not new when installed. If you plan to use the tuner for a long period, it is best to replace the batteries with new ones.
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Settings

1234
BATT indication
BATT condition
Lights Lights Lights
Good
Less than 50% charge
Less than 20% charge
Flashes
Almost exhausted
Notes on batteries
Use new alkaline batteries.
Do not use different types of batteries together.
Always replace the four batteries together.
The batteries are not rechargeable.
Be careful to install the batteries with the correct polarity.
When not using the tuner 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.
External power operation
To operate on an external power supply (DC 10 V to 17 V), connect the DC 12V IN connector to the DC OUT connector of a camcorder using the power cable supplied. When the external power is supplied, the tuner functions regardless of the built-in batteries.
To set the tuner in Setting Mode, press the SET button. The indication on the display starts to flash waiting for you to press the +/– buttons to change the contents on the display. The Setting Mode is automatically cancelled if no buttons are pressed for 30 seconds while the indication flashes.

Wireless Channel Selection

TX BATT
BRF
ON 1+2
AFRF BATT
CH GP
MODE SET
21
POWER
ABRF
12
CH
3 4,6,8 5,7
2
A
SQUELCH MONITOR
OFF
AFRF BATT
GP
CONTROL
OFF ON
1
Note
Noise may occur when the power is turned on or off. Be sure to turn down the input level of the connected equipment before operating the POWER switch.
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Settings
1 Set the POWER switch to ON.
The display shows the same status as before the tuner was last turned off.
2 Set the CONTROL switch to “1” or “2”.
The tuner to be set is selected. If the group name and channel number is shown on the display, skip step 3 and proceed with step 4.
3 Press the MODE button until the group and channel
number appear on the display.
4 Press the SET button.
The group indication starts flashing.
Group setting
Display example for U66 model
5 Press the + or – button to select the desired group.
Pressing the + button cyclically changes the group in the following order. Pressing the – button changes it in the reverse order.
Model available in USA
Model available in Europe (CE21)
Model available in Australia
If you hold the button down, the group will continuously change.
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6 When the desired group appears, press the SET button
again. The group selected is fixed. The tuner now enters the wireless channel setting mode, and both of the TV channel number and 2-digit number flash on the display.
Channel setting
Display example for U66 model
7 Press the + or – button to select the desired wireless
channel. The wireless channels change in the order listed on the table of the group on the “Wireless Microphone System Frequency List” supplied with this manual.
To select the channel by frequency indication
1 Turn on the unit, select the tuner to be set. 2 Press the MODE button until the frequency indication
appears.
3 Press the SET button.
The frequency indication starts flashing.
Display example for U66 model
4 Press the + or – button to select the desired channel
frequency.
When the group 00 is selected for U66 model
8 When the desired wireless channel appears, press the
SET button. The display stops flashing and the selected group and wireless channel are now stored in memory.
5 When the desired frequency appears, press the SET
button. The display stops flashing and the selected wireless channel is now stored in memory.
If noise is heard
Depending on the environment where the system is installed, outside noise or radio wave may disrupt the transmission of certain channels. To select a channel under this circumstance, turn off the wireless microphone or transmitter. Then select a channel at
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Settings
which the RF indicator is off. (A channel free from noise or radio wave interference is selected.) Set the same channel on the microphone or transmitter.
Notes
Do not remove the batteries during group and wireless
channel selection. If they are inadvertently removed, re­insert them immediately and repeat the steps on pages 7 to 9 from the beginning. Make sure that the channel selected is the same as that
selected on the transmitter used in the same system. Be sure to set tuners 1 and 2 to different channels.
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 near by, do not use
the station's channel. The unit may not operate correctly if it is turned on again
immediately after turning off the power while in setting mode. Pause for a few seconds or more before turning on the power again. When operating the unit with one transmitter (for
example, using tuner 1 for reception, and leaving tuner 2 unused), noise or audio signals may occur on the unused tuner, if the tuner and the transmitter are too close to each
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other. In such a case, keep a enough distance to ensure the proper performance of the unit. When operating two or more UHF wireless microphone
systems using channels in different groups, ensure that the systems are at least 100 m (330 feet) apart from each other. (The same applies also when using channels in a group if the different UHF wireless microphone systems are installed where they are within sight of each other.)

Setting the Squelch Level

You can eliminate the noise and signal interference which may occur in reception stand-by mode. Select a squelch level from 5 dBµ, 10 dBµ or 15 dBµ. The factory preset level is 10 dBµ. To obtain a wide service area, set this to 5 dBµ. When using the tuner in a multi-channel system or when you want to receive noise free audio input all the time, set it to 15 dBµ.
1 Press the MODE button until the squelch level appears. 2 Press the SET button.
The squelch level indication starts flashing.
Squelch level
3 Press the + or – button to select the desired level.

Resetting the Accumulated Time Indication

4 When the desired level appears, press the SET button.
The display stops flashing and the selected level is now stored in memory.
Squelch functions
When the SQUELCH switch is set to ON, the following functions work in combination.
(1) Squelching by RF input level
As sufficient S/N for the audio output may not be obtained if no RF signal is received or the RF input level is low, the audio output is squelched when the RF input level falls below the squelch level selected.
(2) Tone squelch
The audio output is obtained only when the unit receives an RF signal which includes a specified tone signal. The audio output is squelched to eliminate noise which may be heard when the transmitter is turned on/off or the unit receives an interference RF signal.
(3) Noise squelch
The audio output is squelched to eliminate noise which may be heard when there is such excessive interference RF signal that the tone squelch does not work.
The time indication accumulates time in hours and minutes when the WRR-862A/862B is on.
Reset the indication to “00:00” whenever you replace the batteries so that it can display the running time of the batteries.
1 Press the MODE button until the accumulated time
appears.
2 Press the SET button.
Accumulated time of battery use
3 Press the – button.
The time indication resets to “00:00.” While you see “00:00” is flashing, you can go back to previous value by pressing the + button.
4 Press the SET button.
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Settings

Error Messages

Selecting the Backlight Mode

You can select the backlight mode of the display.
1 Press the MODE button until the backlight mode appears. 2 Press the SET button.
The backlight indication starts flashing.
Backlight mode
3 Press the + or – button to select the desired mode.
BL OFF : Lights off all the time BL ON : Lights on all the time BL AT : Lights on when you begin to operate the
tuner. Turns off automatically 15 seconds after you finish operation.
4 When the desired mode appears, press the SET button.
The display stops flashing and the selected mode is now stored in memory.
When a problem occurs, one of the following error message may appear on the display.
Messages
ERROR 03
ERROR 11
ERROR 21
ERROR 51
Contents
The battery voltage exceeds the allowable value. An error occurred in backup memory data. The PLL synthesized circuit is in trouble. Defect of the A/D converter.
Measures
Use the specified batteries.
Contact your Sony dealer.
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Specifications

Tuner section
Type of reception Space diversity Circuit system Dual conversion superheterodyne Receiving frequencies
Model available in USA:
two frequencies within a 24 MHz frequency band selected from 470 to 806 MHz
Model available in Europe:
two frequencies within a 24 MHz frequency band selected from 470 to 862 MHz
Model available in Australia:
two frequencies within 792 to 806 MHz
Local oscillators 1st: Crystal controlled PLL
synthesizer
2nd: Crystal oscillator
Antenna connectors BNC-R (2) RF input impedance 50 RF squelch level 5 dBµ /10 dBµ /15 dBµ or OFF
selectable Frequency response 40 Hz to 18 kHz De-emphasis 50 µs Selectivity 60 dB or more
(at ±250 kHz detuned)
Spurious rejection ratio 70 dB or more
.............................................................................................................................................................................................................................................................
0 dBµ = 1 µV 0 dBm = 0.775 Vrms (600 loaded)
EMF
Image rejection ratio 60 dB or more Signal-to-noise ratio 30 dB or more at 10 dBµ RF input
60 dB or more at 60 dBµ RF input (±5 kHz deviation at 1 kHz
modulation, A-weighted)
Distortion 1% or less
(±40 kHz deviation at 1 kHz
modulation) Tone squelch frequency 32.768 kHz Output connectors SMC9-4S (2) Output level –58 dBm
(±5 kHz deviation at 1 kHz
modulation) Output impedance 150 , balanced Monitor connector 3.5 mm (5/32 inch) dia.
stereo mini jack
General
Power requirements
Batteries: 6 V DC , four
alkaline
batteries LR6 (size AA)
External: 12V DC
Current consumption Batteries: Approx. 230 mA
at 6V DC
External: Approx. 135 mA
at 12 V DC Battery life 5 hours or more of continuous use
with four Sony LR6 alkaline
batteries at 25°C
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Specifications
Operating temperature
0 °C to +50 °C (32 °F to 122 °F)
Storage temperature –20 °C to +60 °C
(–4 °F to +140 °F)
Dimensions 89 × 120 × 29.5 mm (w/h/d)
(35/8 × 43/4 × 13/16 inches)
Mass 400 g (14 oz) including batteries
Supplied accessories
Antennas (2) Output cables (2) DC power cable (1) Mounting plate (1) Attachment case (1) Operating instructions (1) Wireless Microphone System Frequency List (1)
Optional accessory
Mounting bracket (A-8278-057-A)
Design and specifications are subject to change without notice.
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Appendix

Attaching to a CamcorderConnections

Antenna
Turn the connector cover to lock.
OUTPUT 1/2 (BAL)
4
3
1
2
Output cable
1: NC 2: Hot 3: Cold 4: GND
DC power cable
DC 12V IN
4
3
1
2
1: GND 2: NC 3: NC 4: +12V
When connecting antennas and cables, match the guides of the male and female connectors.
The DC power cable can be released by pulling out the connector cover.
Sony lithium-ion battery pack BP-L60/L60A
Mounting bracket optional (A-8278-057-A)
Mounting plate supplied
When the Sony lithium-ion battery pack BP-L60/L60A is attached on the camcorder, both the mounting bracket optional (A-8278-057-A) and the mounting plate supplied are required. When attaching the Sony nickel-cadmium battery, use only the supplied mounting plate.
To release the tuner from the mounting plate, push in the lever on the plate.
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Français

Table des matières

Précautions

Précautions ......................................................................... 1
Introduction ....................................................................... 2
Caractéristiques.............................................................. 2
Identification des pièces .................................................... 3
Alimentation....................................................................... 7
Réglages .............................................................................. 8
Sélection d’un canal sans fil .......................................... 8
Réglage du niveau du silencieux ................................. 11
Remise à zéro de l’indication de temps cumulé .......... 12
Sélection du mode de rétro-éclairage........................... 12
Messages d’erreur ........................................................... 13
Spécifications.................................................................... 14
Annexe .............................................................................. 16
Raccordements............................................................. 16
Raccordement à un caméscope .................................... 16
• Cet appareil est conçu pour utilisation à une température ambiante de 0 à 50 °C.
• Ne pas placer cet appareil sur ou près des sources de chaleur comme le matériel d’éclairage ou les amplificateurs, ou dans un endroit exposé au soleil ou à une humidité excessive, au risque d’endommager la finition extérieure ou les composants internes de l’appareil.
• Si l’appareil est utilisé dans un endroit très humide ou poussiéreux ou dans un endroit soumis à un gaz actif ou corrosif, nettoyez sa surface ainsi que les connecteurs avec un chiffon doux et sec, immédiatement après l’utilisation. L’utilisation prolongée de l’appareil dans de tels endroits ou l’absence de nettoyage après utilisation dans de tels endroits est susceptible de raccourcir sa durée de vie.
• Ne jamais utiliser de dissolvant organique tel que du diluant ou du benzène pour le nettoyage, au risque d’endommager la finition de l’appareil.
• L’appareil a été réglé avec précision en usine. Ne pas modifier les composants internes ni essayer de les réparer.
FR
Français
1
(FR)
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