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OPERATING INSTRUCTIONS

INFRARED WIRELESS TUNER

IR-702T

CH 

A

VOL

UME

IR

CH 

B

VOL

UME

POW

ER

IR

OFF

ON

Thank you for purchasing TOA's Infrared Wireless Tuner. 
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

This manual describes the installation and usage of the entire system* using the IR-702T Infrared
Wireless Tuner as well as the IR-702T. 

* The system described in this manual is comprised of the following components: 

• IR-702T  Infrared Wireless Tuner 
• IR-200M and IR-300M  Infrared Wireless Microphones 
• IR-500R, IR-510R, and IR-520R  Infrared Wireless Receivers 
• IR-200BC  Battery Charger 
• IR-200BT-2  Ni-MH Battery 
• YW-1022 and YW-1024  Distributors

Note

For the installation and usage of the IR-702T when used in combination with the IR-700D
Infrared Wireless Distributor, refer to the installation manual enclosed with the IR-700D.

133-07-275-8B

Summary of Contents for IR-702T

Page 1: ...02T Infrared Wireless Tuner as well as the IR 702T The system described in this manual is comprised of the following components IR 702T Infrared Wireless Tuner IR 200M and IR 300M Infrared Wireless Microphones IR 500R IR 510R and IR 520R Infrared Wireless Receivers IR 200BC Battery Charger IR 200BT 2 Ni MH Battery YW 1022 and YW 1024 Distributors Note For the installation and usage of the IR 702T ...

Page 2: ...stallation Examples 12 10 3 When Simultaneously Using Both the Infrared Wireless Microphone System and the Infrared Conference System 13 11 INSTALLING THE IR 500R INFRARED WIRELESS RECEIVER 11 1 Wall Mounting 14 11 2 Adjusting the Reception Angle 16 12 INSTALLING THE IR 510R INFRARED WIRELESS RECEIVER 12 1 Ceiling Mounting 19 13 INSTALLING THE IR 520R INFRARED WIRELESS RECEIVER 13 1 Wall Mounting ...

Page 3: ...nit Never plug in nor remove the power supply plug with wet hands as doing so may cause electric shock When unplugging the power supply cord be sure to grasp the power supply plug never pull on the cord itself Operating the unit with a damaged power supply cord may cause a fire or electric shock When moving the unit be sure to remove its power supply cord from the wall outlet Moving the unit with ...

Page 4: ...e system can be simultaneously installed in the same location 4 HANDLING PRECAUTIONS The supplied power supply cord is designed for exclusive use with the IR 702T Never use it with other equipment Install the IR 702T as far as possible from fluorescent lights digital equipment PCs and other devices that generate high frequency noise The IR 702T is an infrared wireless system which prevents transmi...

Page 5: ...eivers can be connected with the use of the IR 700D Infrared Wireless Distributor For cable connections when using the IR 700D refer to the installation manual enclosed with the IR 700D 9 CH B output terminal CH B Connect this terminal to the amplifier line input terminal for public address applications This terminal outputs only the CH B audio signal 10 CH A MIX output terminal CH A MIX Connect t...

Page 6: ...he infrared wireless microphone s power switch The reception indicator lights for the channel receiving a signal Note If the reception indicator does not light the infrared wireless microphone is not set to the same channel as that of the infrared wireless tuner For channel settings please refer to the instruction manual enclosed with the infrared wireless microphone Step 3 Adjust the volume contr...

Page 7: ...M Note Connect one each of the IR 510R or IR 520R Infrared Wireless Receivers to the IR 702T s Receiver input terminals 1 and 2 7 2 Using 4 Infrared Wireless Receivers YW 1022 Infrared Wireless Tuner IR 702T Distributor YW 1022 2 branch distributor Infrared Wireless Receiver IR 500R IR 510R or IR 520R Note Up to 4 infrared wireless receivers can be connected Infrared Wireless Microphone IR 200M In...

Page 8: ...butor Infrared Wireless Receiver IR 500R IR 510R or IR 520R Infrared Wireless Microphone IR 200M Infrared Wireless Microphone IR 300M Infrared Wireless Microphone System Infrared Conference System TS 800 or TS 900 series Note Both systems can be installed in the same location YW 1022 Infrared Wireless Microphone System related Equipment IR 200BC Battery Charger MB WT3 Rack Mounting Bracket IR 200B...

Page 9: ...Infrared Wireless Tuner IR 702T Cable with a phone plug supplied with the IR 702T Speaker Amplifier Speaker Amplifier Mixer Setting the selector switch to the MIX position outputs mixed CH A and CH B audio signal Connect the CH A MIX terminal to the amplifier line input etc Setting the selector switch to CH A independently outputs the audio signal of CH A and CH B Connect each of the CH A MIX and ...

Page 10: ...cations area Applicable model IR 510R 2 5 m 8 20 ft 3 0 m 9 84 ft 3 5 m 11 48 ft 4 0 m 13 12 ft 4 5 m 14 76 ft About 7 m 23 ft About 6 5 m 21 5 ft About 6 m 20 ft Ceiling height Communications area radius 9 1 IR 500R and IR 520R Wall mounted and microphone stand mounted type 15 m 49 21 ft Horizontal direction Vertical direction Note The shaded portion represents the communications area 15 m 49 21 ...

Page 11: ...es that can generate radio noise such as Inverter powered equipment fluorescent lights air conditioners etc dimmers digital equipment PCs and other computer equipment Infrared Receiver Input Terminal Take care not to short circuit the infrared wireless receiver s input terminal and the infrared wireless tuner s receiver input terminal as the power supply could be shorted potentially resulting in e...

Page 12: ...m 26 25 ft apart so that each receiver s communications area overlaps with each other 6 8 m 19 69 26 25 ft Infrared wireless receiver s communications area IR 510R 18 m 59 06 ft 10 m 32 81 ft 15 m 49 21 ft 15 m 49 21 ft 12 m 39 37 ft 12 m 39 37 ft IR 520R 6 8 m 19 69 26 25 ft Infrared wireless receiver s communications area 10 2 1 Installing 4 IR 500Rs and IR 520Rs Note In a rectangular room where...

Page 13: ... of the infrared conference system differs depending on the size and layout of the room When simultaneously installing the two systems in the same location use the following guidelines on distance Distance between the IR 500R 520R and the TS 905 TS 907 Keep both units at least 3 m 9 84 ft away from each other Distance between the IR 510R and the TS 905 TS 907 Keep both units at least 1 5 m 4 92 ft...

Page 14: ...e Applicable coaxial cable is RG 59 U or RG 6 U 2 2 When connecting the coaxial cable directly 1 Loosen 2 coaxial cable fixing screws on the chassis then disconnect the BNC jack cable Strip the jacket 13 mm 0 51 from the end of the coaxial cable Strip the dielectric 10 mm 0 39 from the cable end Unravel the braided shield and turn it back Braided shield Dielectric 10 mm 0 39 13 mm 0 51 Dielectric ...

Page 15: ...le entry tabs which are relatively thin is provided in the top and bottom surface of the chassis Cut out the entry tab as needed In wall electrical box 1 gang Chassis UP mark Case fixing screw Body case Wall surface 83 5 mm 3 29 Tabs 2 places Mounting screw Prepare separately Cable entry tab Chassis rear Mounting screw Prepare separately Case fixing screw Body case UP mark Tabs 2 places Wall surfa...

Page 16: ...er position High sensitivity area Approx 30 Approx 80 Approx 80 11 2 Adjusting the Reception Angle Communications area of the IR 500R can be adjusted both vertically from 0º to approx 30º downward and horizontally approx 30º to the right or left by moving its reception section Adjust the angle depending on the installation location 11 2 1 IR 500R s receiving angle image Vertical direction ...

Page 17: ... 30 in the right direction When moving the reception section to approx 30 in the left direction High sensitivity area IR 500R Top view Adjustment example in horizontal direction when installing the IR 500Rs at the corners of the room Approx 80 Approx 80 Approx 80 Approx 30 Approx 30 ...

Page 18: ...to the left Note Never loosen this screw 11 2 2 Correcting the vertical angle Step 1 Loosen the reception angle fixing screw for vertical Step 2 Direct the reception section down or up towards the area where the infrared wireless microphones are used by hand Step 3 Retighten the loosened screw in Step 1 Reception angle fixing screw Note This screw can be removed and attached to the other side Fact...

Page 19: ... mounting the receiver in an electrical box Step 3 After wiring completion attach the receiver to the mounting plate Align the receiver tabs 3 places with the notches in the plate then rotate the receiver clockwise to full stop 12 1 Ceiling Mounting Installation direction Note Since no mounting screws are supplied with the unit prepare them separately 83 5 mm 3 29 ø68 5 mm ø2 68 0 2 Mounting plate...

Page 20: ... screw 62 mm 2 44 Step 1 Loosen 2 case fixing screws then detach the body case Step 2 Install the chassis to a wall Note Since no mounting screws are supplied with the unit prepare them separately Step 3 Attach the body case to the chassis Retighten 2 loosened screws in step 1 Step 4 Connect the coaxial cable 13 1 Wall Mounting 13 INSTALLING THE IR 520R INFRARED WIRELESS RECEIVER ...

Page 21: ... bracket supplied with the IR 520R to a microphone stand Applicable screw size U 5 16 Step 2 Loosen 2 case fixing screws then detach the body case Step 3 Secure the chassis to the stand mounting bracket using 2 machine screws M4 x 10 supplied with the IR 520R Step 4 Attach the body case to the chassis Step 5 Connect the coaxial cable Note For the microphone stand installation refer to the instruct...

Page 22: ...et when installing the unit in a rack Note For the mounting bracket installation refer to the instruction manual attached to the MB WT3 14 1 Mounting in a Rack When installing the unit on a desk secure 4 supplied rubber feet to the unit s bottom 14 2 Mounting on a Desk 14 INSTALLING THE INFRARED WIRELESS TUNER Rubber foot supplied with the IR 702T IR 702T bottom surface ...

Page 23: ...W 1024 distribution terminals may result depending on wiring however this presents no problem Avoid connecting 2 or more distributors in series Connecting them in series increases high frequency signal loss potentially resulting in system malfunctions Assure that all infrared wireless receivers within the same system are connected through the same type of Distributor If different types of Distribu...

Page 24: ...distributor should be performed using a single cable The use of coaxial cables cut to an even length that is slightly longer than required easily makes all M distances of wiring in the ceiling identical Distributor Infrared wireless receiver Infrared wireless tuner M M M M N 15 4 Wiring Examples Example 1 When installing multiple infrared wireless receivers in the same location make all N distance...

Page 25: ...le As shown in the table below RG 59 U 3 3 dB RG 6 U 2 7 dB RG 11 U 2 0 dB Total attenuation for the connection example illustrated below is as follows Cable attenuation length 100 x attenuation per 100 m Total attenuation Cable 1 attenuation Cable 2 attenuation Distributor s attenuation If this total attenuation does not exceed 12 dB then there should be no problem Infrared wireless receiver Coax...

Page 26: ...6 U coaxial cable is used in wiring from the tuner to the distributor given the wiring distance between the two is L1 L1 coaxial cable attenuation coaxial cable attenuation per 100 m 2 5 dB 2 7 dB x 100 m 92 m 100 61 yd Maximum cable length wiring distance from the infrared wireless tuner to the infrared wireless receiver can be found from the following equation L L1 25 m 92 m 25 m 117 m 127 95 yd...

Page 27: ...rophone differs from the receiving channel Make both the infrared microphone and reception channels identical Infrared wireless tuner s volume control is set to too low a level Rotate the tuner s volume control to set it to an appropriate volume level No sound outputs Infrared wireless tuner not connected to an amplifier properly Connect correctly See p 9 Connection Example CH A MIX output selecto...

Page 28: ... wireless receiver s power source 24 V DC 220 mA max in total of 2 terminals Output Channel A and B 10 dB 1 4 8 kHz deviation at volume level max 600 Ω electronically balanced 3 pole phone jack Note Channel A switchable to mixer output Frequency Response 100 Hz 12 kHz Operating Temperature 10 to 50 C 14 to 122 F Operating Humidity 30 to 85 RH Finish Case ABS resin black Dimensions 210 w x 44 h x 2...

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