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TUNER MODULE INSTALLATION AND REPLACEMENT

CAUTION

These servicing instructions are for use by qualified personnel only. To avoid electric shock do

not perform any servicing other than  that contained in the Operating  Instructions  unless you

are qualified to do so. Refer all servicing to qualified service personnel.

1. New Installation

(1) Press the stopper of the tuner 

(3)  Open the tuner panel. (4) 

Insert a tuner module,

panel with a screw driver.

(2) Pull the tuner panel towards

you while pressing the stopper.

D1234

Color Identification Label

Attach one of the supplied labels of different colors to the tuner's panel.  (Both the tuner and its

corresponding hand-held microphone have to be marked with the same  color for easy association

with their frequencies.)

2. Installation (Expansion)

The tuner module WTU-870 or WTU-871  and the tuner panel WP-860 are required.

(1) Remove the blank panel of the unit.

(2) Attach the unit's connector to the tuner panel connector.

(3)  Insert a tuner module (WTU-870 or WTU-871)

(4) Fit the tuner panel in place.

(5) Attach the frequency label supplied with the tuner module.

3. Replacement

Pull out the tuner module with long nose radio pliers.

[Note]

  Be sure to refer the installation and replacement to qualified service personnel.

(5) After checking to confirm the

tight connection of the tuner

panel connector, fit the tuner

panel in place.

(6) Attach  the  frequency  label

supplied with the tuner module
to the assigned space.
After the frequency  label  has
been attached, make sure to
attach a color identification

label on it.

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Summary of Contents for WT-870

Page 1: ...ESS TUNER WT 870 OPERATING INSTRUCTIONS Please follow the instructions in this manual to obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference TOA Corporation ...

Page 2: ...20 240V AC 50 Hz When using a component rack avoid installing the unit above heat generating equipment such as a power amplifier To avoid severe electrical shocks and possible catastrophic damage never open the unit nor touch its internal components To clean the unit s exterior wipe with a soft dry cloth Never use benzine thinner or other solvents which may damage the painted parts of the unit FEA...

Page 3: ...Panel Rear Panel Mixing Output Level Selector Switches mixing output levels Line Output Connects to the line AUX input terminal of connected component Mic Output Connects to the mic input terminal of connected component DC IN 12V DC Power input terminal for external DC power supply AC Inlet 3 pins Power input terminal for AC power supply Use the supplied power cord Antenna Connector BNC 75 Phantom...

Page 4: ...phone have to be marked with the same color for easy association with their frequencies 2 Installation Expansion The tuner module WTU 870 or WTU 871 and the tuner panel WP 860 are required 1 Remove the blank panel of the unit 2 Attach the unit s connector to the tuner panel connector 3 Insert a tuner module WTU 870 or WTU 871 4 Fit the tuner panel in place 5 Attach the frequency label supplied wit...

Page 5: ...t the indicator lights yellow at a maximum level This is not needed if the indicator lights red only occasionally If the microphone is equipped with a sensitivity control adjust the control so that the level indicator lights yellow when spoken loud CONNECTIONS When using with the mixing console connect the output of WT 870 to XLR type input connectors of the the mixing console YW 600 Direct mount ...

Page 6: ...es as frequencies become higher Keep the connection cable between antenna and tuner as short as possible Maximum Antenna Cable Length Cable type RG 59 U RG 6U External diameter 6 1 mm 0 24 7 4 mm 0 29 Max length when YW 620 is used 48m 160ft 48 70m 160 230 ft RACK MOUNTING Optional mounting kit is required for rack mounting Remove rubber supporters from the equipment 1 Mounting one unit in a rack ...

Page 7: ...hes and is not actuated if only same RF carrier as the receiving frequency is received It is so designed as to be actuated and output a signal only when the received RF carrier contains a very exact pre determined tone frequency component Therefore disturbing radio signals are rejected and the speaker can be kept completely quiet when the wireless microphone s power switch is set to OFF ensuring r...

Page 8: ...elch Sensitivity Frequency Response Residual Noise 169 445 MHz 171 905 MHz FCC Part 90 USA 174 250 MHz 215 250 MHz FCC Part 74 USA D O C CANADA 173 8 MHz 175 0 MHz MPT1345 UK 202 1 MHz 203 7 MHz DOC 60 AUSTRALIA Under 20 dBµ V S N 75 dB Deviation 15 kHz S N 80 dB Deviation 40 kHz Approx 14 dB µ V 100 Hz 12kHz 2dB Less than 30 µ V 8 µ V A weight Overall System Performance WT 870 WTU 870 WTU 871 WM ...

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