SON'Y.. UHF Synthesized Transmitter Operating Instructions WRT-8B Sony Corporation 2002 Printed in Japan Owners Record The model and serial numbers are located at the tear of the unit. Record the serial number in the space provided below. Reler to these numbers whenever you call upon your Sony dealer regarding this product. Model No. WRT-8B 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 vold user's authority to operate this device. Notice for customers in Canada Use of Sony wireless devices Is regulated by the Industry Canada as described In their Aadio 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: (4) this device may not cause Interference, and (2) this device must accept any interference, including interference thal may cause undesired operation of the device. The term "IC; belore the radio certification number only signifies that Industry Canada technical specifications were met. Notice for customers in Europe ceo UK. 854.125 - B62 MHz Germany 798 - 822 MHz Norway 800 - 620 MHz Luxembourg 800 - 830 MHz, 854.125 - 862 MHz Belgium 864.125 - 862 MHz Denmark 800.100 - 819.900 MHz France 470 - 830 MHz llaly 800 - 820 MHz Sweden 800 - 820 MHz Switzerland 800 - 820 MHz Finland 800 - 814 MHz Iceland 800-814 MHz Austria 774-790 MHz Netherlands 774 - 782 MHz hup-/Awww.sony.nev Plinted on recycled paper Hereby, Sony Corporation, dectares that this WRT-8B [s in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. Note:
In some countries additional Irequency bands may be used with the agreement of the national authority. Note for customers in Austria:
Before use, it is necessary to obtain individuat permission of the local telecommunications spectrum authority. Note for customers in Switzerland:
Before use, a request of concession fora wireless microphone (Frequency Class 3) has to be submitted to Bakom. Note for customers in Finland:
To own and use, it is necessary to obtaln an individuat licence of the Telecommuntcations Administration Center. Note for customers in Luxembourg:
Before any use of an equipment, the frequencies required have to be, if necessary according to the regulations in force, assigned prior to usage by the ILT. Note for customers in Italy:
The use of this product within Italy is subject to article 234 of the Postal and Telecommunications regulations. Nota per i clienti in Italia:
Luso del prodotto sul territorio italiano &
soggetto alle regotamentazioni del Codice Postale e delle Telecomunicazioni art. 334. Note for customers In Belgium:
Using this transmitter with 50 mW AF output power Is not allowed, Be sure to set the RF output power to 10 mW. Note for customers in Norway: , Using this transmitter with 50 mW AF output power requires the frequency icense. Ce meruneamse naan amen nnsnemmeaataial Overview The WRT-8B is a wansmilter for a UHF synthesized wireless microphone system to be used for broadeast or movie production purpose. This transmitter is suitable for Electronic News gathering (ENG) and Electronic Field Production (BFP). The inicrophone/transmitter and tuner of the wireless microphone system are classified by frequency band. A24-MHz (USA and Bucope)/l4-MHz (Australia) frequency band is assigned 10 each microphone/
transmitter and tuner model, In building a UHF wireless microphone system, be sure to combine a microphone/transinitter and a tuner having the same wireless channel (frequency). Features The features of ihe WRT-8B are:
Phase Locked Loop (PLL) syuthesized system Conipact and lightweight Selectable RF power output: $0 mi and 1G Switchable input level and variable attenvator Remote battery alarm on Inuer Operation powered by easily available batteries LCD for coordinated operation contral Compatibility with Sony favalier microphone
=RE carrier with tone signal Wide dynamic range aud lew noise EP EE TT Precautions
+ The unit is designed for use in ambient temperature range of 0C ta 50C (32F to (22F).
* Do riot ptace the unit on or near heat sources, such as lighting equipment, power amplifiers, or in a place subject to direcl sunlight or excessive moisture, In such places, the external finish or internal parts of the unit may be damaged. Ifthe unitis used in a very humid or dusty place or in a place subject to expose to an aclive of corrosive gs, clean its surface as well as tlhe connectors with a dry, soft cloth soon afler use. Lenglby use of the unil in such places or not cleaning it afler its use in such places may shorten its life.
* When cleaning the snil, never use organic solvents such as thinners or benzine, which will damage the finish of the unit, The uuil las been factory adjusted precisely. Do not tamper with its internal parts or attempt to repair it, LT Specifications Transmitter and modulator section Oscillator Crystal coutrofled PLL synthesizer Carrier frequencies Madel available in USA:
470 to 710 MHB, 758 to 906 MHz Model available in Europe:
470 lo 606 MHz 614 to 862 M1}
Mode! available in Australia:
792.10 806 MHz Operating frequency band Model available in USA and Europe:
24 Mile Model avaitable in Austealia:
1d MHz Refer to the "Sony Wireless Microphone System Frequency List supplied with this manual. RE power output 50 mW/10 mW e, Tone signal 32.768 kliz Battery condition sigaat 32.782 kz Type of antenna '/,-wavelength wire Pre-emphasis 50 pts Deviation 45 kilz
(60 dBY, L Kflz input, MIC)
$5 kHz
(20 dBu, J blz input, LINE) Maximum deviation 40 kFlz Frequency response 40 to 20,000 Hz Signal-to-noise ratio 60 dB or more (A-veighted, modulation frequency { k1!z, with #5 ktlz deviation at tuner) Error Messages Power section Power requirements 3.0 V DC (two LR6fsize AA alkaline batleciesy Approx. 6 hours at 25C
(77F) with Sony LRG alkaline batteries (50 mW) Approx. 13 hours at 25C
(7PF) with Sony LRG alkatine
| batteries (10 mW) Ballery life General Operating temperature
+ OC 10 450C (32F to 122) Storage temperature 30C to +60C
(22F to +140F) 63 x 83 x L7 nm (wih/d)
(214,x37,x "7, inches) Approx. 140 g (4.9 oz) including batteries Dimensions Mass. Supplied accessories Operating Instructions (1 sel) Sony Wireless Microphone System Frequency List (1) Sofi case (1) Scribble sheet (supplied with European model only) f) Query case (1) Microphone cable (1) Optional accessories Lavalier microphones ECM-44BC, BCM-77BC, BCM-166BC, ECM-
310BC, ECM-350BC Design and specifications are subject to change without notice. When a problem occurs, one of the following etror message inay appear on the display. Messages [Contents Measures:
ERROR 11 ERROR 21 ERROR 31 An error occurred in backup memory data. The PLL synthesized circuit is in trouble. The battery voltage exceeds the allowable value, Turn the transmitler OFF, then turn it ON again to clear the backup memory. Channel group is reset to 00
(European model only), channel Is reset to 01, and RF outpul power is reset to H, respectively. Turn the transmitter OFF, then turn it ON again, IFitdoes not work, contact your Sony dealer. Use the specified batteries. Notes on Microphone System Operation To operate with two or more channels, maintain a distance of at feast 30 cm (one ft.) between each pair of transmillers. For details of aperation with two or more channels, refer to the Operating Instructions for the WRR-802/
805/855/862, or WRU-8N with MB-8N, etc.
+ Ensure that the tuners set to chanuels not being used are either turned off or set (o the minimum: output level.
+ When powering the transiniiter on or off, to keep the neise to. minimum, set the audio output level front the tuner or mixer to a minimum. Powering the transinitter on without checking the chanel selection first may interfere with the operation of other microphones/iransinitters, if the current setting is already being used. To prevent uoise generation, set the RF power oulput to L(10 mW) when multiple channels sre used simultaneously, aud keep the microphones and transmitters at feast 3 m (10 feet) away from the antennas when the system is operated using a group which allows selection of up to 8 channels, and at least 6 m (20 feel) away when using a group which allows selection of 9 channels. For details on how to set the RF output power, see Changing the RF Output Power" on the reverse side. When there is a strong interference signal around the tnicroplione system, such as an interference caused by an active handyphone, noise may occur on the microphone system. Parts Identification Wire antenna el oo oliSS
@ f-$
SS |
Battery holder Accumulated battery use time: The accumulated time of battery use (in one-minule increments). +
@ + (+ selection) /- (- selection/reset) buttons In setting mode, select the transmission chanel, frequency and RF output power setting using either of these buttons, or reset the time-of-use indication to 00:00" with the button. Audio input connector Connect the output connector of the following Sony lavalier microphones: ECM-44BC, ECM-77BC, ECM-166BC, ECM-310BC, ECM-350BC, ete. You can also use your wired microphone by connecting it (o this connector with a microphone cable. Microphone (not supplied)
@ LCD (liquid-crystal display) display Channel indication shows that of the U6 model.
@ AF (audio input) indication Appears whenever an audio signal stronger than the reference level is received. RF (antenna output) indication Appears during signal transmission from the antenna. RF power indication Shows the RF output power setting, See "Changing the RF Output Power. BATT (battery) indication Shows the battery condition. See Battery indication in Power Supply section. CH (channel) indication Shows transmitting channel. Each time you press the SET button in Transmitting mode, the channel indication changes as follows. Transmitting channel 4 Transmitting Press SET frequency LISHUES] | auton. 4 Accumulated :
vatieyuse LUFF time Channel/frequency indications show those of the U66 model. Transmitting channel: The current transmitting channel setting. Transmitting frequency: The current transmitting fequency setting. To secure the microphone cable connection, be sure to turn and lock the connector cover. When connecting a microphone to the unit, be sure to turn the unit off. OSET 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. POWER switch Turns the transmitter ON or OFF. Be sure to connect a microphone before turning the power ON. AF LEVEL control Adjusts the audio level from the audio input connector.
@ PEAK indicator Lights up when the input signal {evel is too high. MIC/LINE select switch Set according to the equipment connected to the audio input connector, For details, on the use of this switch, see Adjusting the Audio Input Level. Power Supply The transmitter can operate on two LR6 (size AA) alkaline batteries continuously for about 6 hours at 25C (77F). SS
Two LR6 {size AA) alkaline batteries Installing the batteries T Stide the battery-holder catches inward (in the direction of the arrows ) to take out the battery holder. 2 Match the polarities and insert the batteries. 3 set 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 as shown on the right calumn. 1 2 a 4 BATT |Ughis [Lights [Flashes [Goes off indication]
Battery [Good [Less than | Almost | Completely condition hal | exhausted |exhausted charge When the batleries reach stage 3 shown in the table, the BATT indication on the WRR-802/805/862 and WRU-806/8N also starts flashing. The indication may be incorrect if the batteries ore 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. tf the batteries do leak, clean all leakage from the battery halder case and the unit. Leakage feft in the holder case aud the unit may cause poor battery contact, If there seems to be poor battery contact, consult your Sony dealer. Settings For the transinitting channels and frequencies selectable on your transmitter, see the Sony Wireless Microphoue System Frequeney List supplied with this manual. ting Si In Setting mode, you can change the transmission channel/frequency and the RF output power level, or reset the accumulated time indication. 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. Bach time you press the SET button, the setting items are cyclically switched as shown below. Transmitting channel 68g i Transmittiny frequency [WEY 2S y | Presser Accumulated button.
\cournulate :
batieryuse | OF 28 time 4 RF output '
power Poi Channelifrequency indications show those of the U66 model. The transmitting channel can be selected through either the channel number or the frequency. Set the transmitter to Setting mode. lf the channel number (or frequency) indication does not appear, press the SET button until the channel number (or frequency) indication appears. 2 Press the + or button to select the channel number (or frequency). Pressing the + bution cycles the indication in the order shown in the tables in the Sony Wireless Microphone System Frequency List supplied with the manual, Pressing the button cycles the indications in the opposite direction, Mold down the button to change the channel number (ot frequency) quickly. Te Mt Ue gic lyst) Sood On the model available in Europe, the transmitting channels are grouped in four sets, Select the group number before selecting the channel number as follows. 1) When the left two digits flash, select the group number by pressing the + or button. 2)When the desired group number appears, press the SET button. The right four digits start to flash for channel number selection. 8)Select the channel number by pressing the + or button. 4)When the desired channel number appears, press the SET button, Group Channel Frequency selection selection selection Vy tht. ibe 1] logged Bodied
+t +t +t
< m abut eo | logge Boel
:4 button 4 : - button :
Group, channel and frequency setection examples for the model available in Europa
(CE62) 3 when the desired channel number (or frequency) appears, set the POWER switch to OFF to release Setting mode, or press the SET button to contique operations in Setting mode. The next time you tum on the transmitter (by setting the POWER switch to ON), the transmitter will enter Transmitting mode with the selected channel number
(or frequency),
* 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 chamels on the tuner with the unit set to OFF. Those channels for which the RF indicator on the tuner does not light are usable.
+ [F there is a TV broadcasting station near by, do not use the station's channel.
+ The transmitter may not operate correctly if it is tumed 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, The time indication accuinulates time in hours and minutes when the WRT-8B 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 sot the transmitter to Setting mode. 2 Press the SET bution until the accumulated time indication appears on the display. Lie vty Accumulated tima 5 if 3 Press the - button. The time indication resets to 00:00. While you see 00:00 indication, you can go back to previous value by pressing the + button. 4 set the POWER switch to OFF to release Setting ode, Or, press the SET button to continue operations in Setting mode. You can select the RF output power from the levels of H (S0mW) and L. JG mW) in Setting mode. Set the RF output power to L (10 mW) for simultaneous operation of multiple channels, and set it to H (50 mW) for long-distance operation. 1 Set the teansmitter to Setting mode. 2 Press the SET button until the RF output power indication appears orrthe display, RF output power 3 Press the + or button to select the setting: H (50 mW) or L (10 mW). A set the POWER switch to OFF to release Setting mode. Or, press the SET button to continue operations in Setting mode, The next time you turn on the transmitter by setting the POWER switch to ON, the transmitter enters Transmit mode with the selected RF output power. cae Level seas You can change the audio input level in a range of 60 4BV to 20 ABV (when the MIC/LINE selector is at MIC position) or -20 dBu to +20 dBu (when the MICILINE selector is at LINE position). Set the MIC/LINE select switch according to the equipment connected to the audio input connector. When a microphone is connected to this unit, set the selector to MIC position; when a mixer, etc., is connected, set it to LINE position. 2 Tusn the AF LEVEL control so that the PEAK indicator does not light continuously. Occasional lighting of the PEAK indicator is acceptable.