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9. INFRARED WIRELESS MICROPHONE USAGE TIPS

9.1. When Holding the Microphone By Hand or Hanging It Around the Neck

Note:  

Do not cover the infrared wireless microphone’s infrared emitter with the hand or hide the 

microphone by placing it inside clothes. Covering the infrared emitter will disable light transmission. 

[Hands-free use]

[Hand-held use]

[Correct]

[Incorrect]

ON/OFF

ON/O

FF

ON/O

FF

[Correct]

[Incorrect]

Hang the microphone around the neck so that 

its infrared emitter is oriented toward the front.

Do not cover the unit’s infrared emitter with the 

hand or hide the unit by placing it inside clothes. 

Covering the infrared emitter will disable light 

transmission.

IR-820SP

Infrared Wireless Speaker

IR-801AF

Audio Interface Unit

Speaker

Revolving light

IR-802T

Infrared Wireless Tuner

IR-310M

Infrared Wireless 

Microphone

Audio output

Control output

Amplifier

ON/O

FF

[Example of Function button usage]

Push the Function 

button while speaking.

9.2. Setting the Microphone Sensitivity Selector Switch

The microphone sensitivity can be set to "H" (High) or "L" (Low).

To obtain better sound quality, it is recommended to set "H" position when hanging the microphone 

around your neck and "L" position when holding it by hand. In addition, when using the IR-310M 

in  conjunction  with  the  optional  microphone  to  be  connected  to  the  external  microphone  input 

terminal, the following position settings are recommended to obtain better sound: "H" position for  

Summary of Contents for IT-310M

Page 1: ...ING PRECAUTIONS 4 5 Nomenclature AND FUNCTIONS 4 6 BATTERY INSERTION 5 7 WHEN OPERATING ON RECHARGEABLE BATTERIES 6 7 1 How to Charge 6 7 2 Charging Timing 7 8 OPERATION 7 9 INFRARED WIRELESS MICROPHONE USAGE TIPS 8 9 1 When Holding the Microphone By Hand or Hanging It Around the Neck 8 9 2 Setting the Microphone Sensitivity Selector Switch 8 9 3 Microphone to Mouth Distance 9 9 4 When Using the C...

Page 2: ... do so may cause the batteries to fire explode leak or heat Never short circuit the charging terminals on the bottom of the microphone with metal objects Doing so could result in electric shocks or burns To prevent the electromagnetic wave from badly influencing medical equipment make sure to switch off the unit s power when placing it in close proximity to the medical equipment When the Unit is i...

Page 3: ...pt any interference received including interference that may cause undesired operation Any modifications made to this device that are not approved by TOA Corporation may void the authority granted the user by the FCC to operate this equipment FCC Compliance Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules Thes...

Page 4: ...red microphone in high temperature locations such as in a car parked with its doors closed in summer or in highly humid locations as this could lead to microphone failure Avoid using the infrared microphone in locations that can be splashed with perspiration or seawater as this could lead to microphone failures When cleaning the infrared microphone be sure to turn the power switch to OFF Wipe with...

Page 5: ...0M to the front of your clothes for hands free use 8 Battery cover Contains the battery compartment Be sure to open and close the cover correctly Refer to p 5 BATTERY INSERTION 9 Neck strap Used to hang the infrared wireless microphone around the neck Refer to p 8 INFRARED WIRELESS MICROPHONE USAGE TIPS 10 Channel selector switch Set the selector switch to the desired channel A or B Refer to p 10 ...

Page 6: ...rged if the power is ON Step 2 Place an IR 200BT rechargeable battery in the IR 310M Refer to p 5 BATTERY INSERTION Step 3 Fully insert the IR 310M into the microphone receptacle of the IR 310BC Battery Charger The IR 310BC s charging indicator lights red and charging begins Charging is completed in about 3 hours and the IR 310BC s full charge indicator lights green Notes Insert the IR 310M so tha...

Page 7: ...s the battery indicator s color gradually changes from green to red If the indicator lights red during use charge the IR 310M immediately since the microphone will be disabled several minutes after the indicator has lit red Guidelines on the rechargeable battery operation time Continuous usage time About 8 hours Notes When using the IR 200BT rechargeable battery for the first time or when using it...

Page 8: ...nfrared emitter will disable light transmission IR 820SP Infrared Wireless Speaker IR 801AF Audio Interface Unit Speaker Revolving light IR 802T Infrared Wireless Tuner IR 310M Infrared Wireless Microphone Audio output Control output Amplifier ON OF F Example of Function button usage Push the Function button while speaking 9 2 Setting the Microphone Sensitivity Selector Switch The microphone sensi...

Page 9: ...environment of use set the sensitivity to L position Notes Be sure to switch the unit s power OFF before setting Avoid bringing the microphone too close to your mouth or speaking too loud into the microphone Otherwise reproduced voices may become muddy or cracking The sensitivity is factory set to H position Step 1 Check that the power is switched OFF then remove the battery cover Refer to p 5 BAT...

Page 10: ... wireless microphones set to the same channel Set channels correctly Refer to CHANNEL SETTING above Infrared wireless microphone used too close to the tuner Keep the infrared microphone at least 50 cm 20 away from the infrared tuner 10 CHANNEL SETTING Note Make sure that the IR 310M s channel is set to the desired channel A or B Step 1 Switch the unit s power OFF Refer to p 5 BATTERY INSERTION Not...

Page 11: ...Maximum Input Sound Pressure 120 dB SPL Input Sensitivity Adjustment Adjustment range 2 levels High Low Frequency Response 100 Hz 12 kHz Preemphasis 300 µs Input External microphone input ø3 5 monaural mini jack phantom powered Switch Power switch Channel selector switch Microphone sensitivity selector switch Function button Indicator Power battery indicator Battery Operation Time Approx 8 hours w...

Page 12: ...URL http www toa jp 133 07 325 60 ...

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