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EJ-502IR INFRARED WIRELESS RECEIVER

B

B1.

B2.

B3.

B4.

B5.

B6.

B7.

Main power switch

Infrared receiver module

F socket for external SENSOR 1

F socket for external SENSOR 2

AF OUT (6.3mm connector)

LOW/HI level switch

Power input

B1

B2

B3

B4

B5

B6

B7

EJ-502IR Dual-channel Infrared Wireless Receiver (with dual volume controls)

B

Summary of Contents for EJ-501IR

Page 1: ... User s Guide EJ 501IR Single Volume Control Receiver EJ 502IR Dual Volume Control Receiver Infrared Wireless Microphone System ...

Page 2: ...6 7 External sensor illustration 1 Specification 11 12 PREFACE Please read through the manual carefully before your operation to ensure best performance and quality of the application CONTENT 2 EJ 502IR infrared wireless receiver with dual volume controls EJ 501IR infrared wireless receiver with single volume control 8 Installation ...

Page 3: ...7 Main power switch Infrared receiver module F socket for external SENSOR 1 F socket for external SENSOR 2 AF OUT 6 3mm connector LOW HI level switch Power input A1 A2 A3 A4 A5 A6 A7 EJ 501IR Dual channel Infrared Wireless Receiver with single volume control A ...

Page 4: ...B7 Main power switch Infrared receiver module F socket for external SENSOR 1 F socket for external SENSOR 2 AF OUT 6 3mm connector LOW HI level switch Power input B1 B2 B3 B4 B5 B6 B7 EJ 502IR Dual channel Infrared Wireless Receiver with dual volume controls B ...

Page 5: ...sor 1 2 3 5 4 INFRARED RECEIVER ILLUSTRATION IR 501 Dual channel Infrared Receiver Module IR 502 Dual channel Infrared Receiver Module 1 2 3 4 5 CH A volume control and CH A power on CH A LED lights red when power is on LED lights green when receiving signal AF LED lights amber when sound comes out CH B LED lights red when power is on LED lights green when receiving signal CH B volume control and ...

Page 6: ...ies should be placed by in correct direction of and Battery has been installed close and lock the battery door Battery installation for EJ 501TI 4 Power indicator 3 Main body 5 Power switch button 7 3 5mm Mic Aux input Mesh head 1 2 Top emitter 6 Bottom emitter 9 A B channel switch 8 Talk Mute switch 10 Battery case 13 Charging contact 12 Hi Low output power switch 11 Battery door 11 8 9 10 12 1 2...

Page 7: ...eplace or recharge rechargeable batteries 4 Switch the button 8 to the Talk status when you intend to amplifier your speech switch the button 8 to the Mute status when you are temperately not using the microphone Insufficient power influences the signal transmission We strongly recommend you using the capacity 2500 mAh rechargeable batteries and dual slot charger HDC 502 to maximize your performan...

Page 8: ...nnect the external cable with F socket clockwise Counterclockwise direction to unscrew and adjust your preferred angle clockwise to screw tightly and fix the position 2 1 1 2 3 Sensor power indicator Infrared sensor Screws for angle adjustment 4 5 6 F socket for extension cable Screws for wall mount Extension cable to connect with GPA 500IR EXTERNAL SENSOR ILLUSTATION ...

Page 9: ...ume control IRS 20 External Sensor EJ 501TI Infrared Handheld Microphone 1 5 M 1 5 M EJ 502IR Dual channel Infrared Wireless Receiver with dual volume controls Allocation in a Large size Classroom IRS 20 External Sensor IRS 20 External Sensor EJ 501TI Infrared Handheld Microphone 7 EXTERNAL SENSOR ILLUSTATION ...

Page 10: ... we suggest you switching to HIGH level to avoid sound ouput power is too low Infrared Wireless Microphone System Link IRS 20 External Sensor 1 Amplifier Link AF OUT of EJ 501IR EJ 502IR with MIC IN of amplifier via a audio cable with 6 3mm connection Singnal Output 2 Please use our provided AC switching adopter EJ 501IR 502IR 100 240 VAC 12 VDC 1 A Power Supply 3 IRS 20 External Sensor EJ 501IR 5...

Page 11: ...rocess Fully Charge BEFORE You Start Using for the Fist Time Ensure batteries are fully charged BEFORE you store it for a long period To maintain a longer battery life and better performance make sure you charge the batteries regularly every month Charge Fully This unit has DOD depth of discharge protection design After the Power Switch LED flashes red it means there isn t enough electricity when ...

Page 12: ...lk status Connections on back panel all properly No Sound Output TROUBLESHOOTING 1 2 3 Avoid rainfall or humid circumstance which may damage to the unit or electricity shock Avoid the unit to be stroke or dropped DO NOT use the unorigianl power supply CAUTION When using 2 pieces EJ 501TI at the same time please make sure the 2 pieces handheld microphone are in different channels to avoid interfere...

Page 13: ...Sensor Module Power supply Current consumption Dimensions D x W x H Weight Extended cable Reception angle Reception range IR 501 for EJ 501IR IR 502 for EJ 502IR 850 nm 2 ch CH A 2 3 MHz CH B 2 8 MHz 50kHz 32 768kHz 110 dB 70Hz 10kHz receiver 20 meters Hi 15 meters Low F type 6 3 mm AF OUT LOW 75mV HI 750mV 10 ºc 50 ºc 100 240 VAC 12 VDC 1 A 200 x 115 x 45 mm 750 g Receiver module Wave length Chan...

Page 14: ...ncy response Operation temperature Max deviation Dimensions Dia x L Weight 850 nm Green sufficient power Red insufficient power CH A 2 3MHz CH B 2 8MHz Talk Mute FM 20 meters Hi 15 meters Low facing the external sensor two AA Ni MH rechargeable 2500mAh or Alkaline batteries 8 hours 2500mAh power set to Hi 11 hours 2500mAh power set to Low 200 mV rms 10k ohm 70 dB 1 70Hz 10kHz 3dB 10 ºc 50 ºc 50kHz...

Page 15: ...13 ...

Page 16: ...4F No 11 Lane 125 Sec 1 Kuo Kwang Rd Ta Li City Taichung Hsien Taiwan Tel 886 4 2407 1617 Fax 886 4 2407 1609 E mail okayo okayo com www okayo com Rev 01 ...

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