User Guide
Contents
1. AF input 300 mV 6 3 mm MIC out mixer XLR balanced 10 C 60 C AC switching power adapter 100 240 V 12 15V 0 6A 24 MHz max 110dB 0 5 96 50 yus Tone key and noise lock dual squelch 70 Hz 17 kHz 210x215x44mm 1 2 kg VN Lt 2 O t P lo 3 ia A o p VN u UJ o a lt o gy e w 3 un 3 e et i m imi N M m i N x Condenser Flexible antenna 10 mW Less than 250 nW 3 5 mm Micin Aux in Mute switch Hi Mid Low switch 2x1 2V Ni MH 1600 mAh AA type rechargeable batteries 2x1 5VAA Alkaline disposable batteries 8 hours typical in Ni MH rechargeable batteries 14 hours typical in Alkaline disposable 26 x 64 x 88 mm 170 g battery included v b 4 I E 3 2 gt n 2 lt e m T dl o IB o m T Jd o IB sS Built in antenna 10 mW Less than 250 nW Hi Low Mute switch 2 x 1 2 V Ni MH 1600 mAh AA type rechargeable batteries 2x 1 5 V AA Alkaline disposable batteries 8 hours typical in Ni HM rechargeable batteries 14 hours typical in Alkaline disposable 26 dia x 264 mm 237 g battery included MEMO MEMO O oauo The sound option OKAYO ELECTRONICS CO LTD No 2 Gongye 10 Rd Dali Dist Taichung 41280 Taiwan Tel 886 4 2491 4666 Fax2. or Mini XLR EJ 7XT Microphone Input LED Power Indicator Sensitivity Selection AUX In 3 5 mm Frequency Set LCD Window 10 Turn Up Down Frequencies Keys 11 Recharge Jack BWNPR CON DUM p e OWN o X BY BR J Operation and Setting Turn on Turn on the Power Switch 3 the LCD window will show On and the Backlight amp LED Power Indicator 5 will be light on After 1 second the LCD window will show channel number and battery life indicator Turn off Turn off the Power Switch 3 the LCD window will show OFF with backlight on and then turn off Setting of Channel After turning on the unit the current channel CHOK is shown on the LCD window Press Frequency Set key 8 for 2 seconds to until the channel number stats to blink and then press Up or Down key 10 to select the channel from 1 96 Press Frequency Set key 8 again to confirm the setting of channel or it will return back to the original channel number after 10 seconds without pressing Frequency Set key 8 X The transmitter and the receiver should be set on the same channel Display of Channel Press Up or Down key 10 or press Up and Down keys 10 simultaneously to show current frequency value on the LCD window The LCD window will go back to normal after releasing fingers from keys Wireless Bodypa
3. Channel A Switch on the third Transmitter used for Wireless Receiver Module 2 and adjust the channel number accordingly Press Down Frequency Selector key 3 on Wireless Receiver Module 2 for more than 1 second you could find available channel for Channel B Switch on the forth Transmitter Finalize the process of four channels used simultaneously Setting of Group Number and SQ Value 1 Press Set key 4 andthen switch on Channel A or Channel B to enter Group setting and then LCD window would show E number will keep blinking 2 Press Up or Down FrequencySelectorkeys 3 tolookforyour preferred groupnumber 3 Press SET key 4 to confirm the group setting or wait for 5 seconds to confirm it automatically andthen enter setting mode of SQvalue 4 Under setting mode of SQ value LCD window will show Set number will keep blinking 5 Press Up or Down Frequency Selector keys 3 to choose SQvalue the value will notbesetin circulation 6 Press SET key 4 againtoconfirmthe group setting or wait for 5 seconds to confirm it automatically and then back to normal switching on mode J caution e Please keep the distance between the Transmitter and the Receiver more than 2 M e Please keep the distance between the Transmitter and the Transmitter more than 0 5 M Wireless Bodypack Transmitter EJ 7T EJ 7XT Antenna Mute Control Power Switch 3 5mm push in EJ 7T
4. kept 4 Channel A and Channel B cannot be set with the same channel number Searching for Available Channels 1 Press Up and Down Frequency Selector keys 3 simultaneously for more than 1 second and then LCD window will show a text of SC4 without blinking Channel A and Channel B will be switched to available channels automatically If there is no any channel available the channel numbers will still remain the same Wireless Receiver Module DR 500 2 Press Up Frequency Selector key 3 for more than 1 second and then LCD window will show SCA Channel A would be switched to available channel automatically If there is no channel available the channel value would be kept the same 3 Press Down Frequency Selector key 3 for more than 1second andthenLCD window willshow sc4 Channel B would be switched to available channel automatically If there is no channel available the channel value would be kept thesame 4 Using two DR 500 wireless receiver modules simultaneously e Press Up and Down Frequency Selector keys 3 simultaneously on DR 500 module 1 for more than 1 second you could find two available channels e Switch on two Transmitters used for Wireless Receiver Module 1 and adjust the channel number accordingly e Press Up Frequency Selector key 3 on Wireless Receiver Module 2 for more than 1 second you could find available channel for
5. 4 46 47 N w 1 Use 4 channels at the same time Please keep the distance between the transmitter and the receiver more than 2 M 1 01 02 08 10 2 09 10 15 31 3 01 03 08 21 4 01 02 04 06 2 Use 8 channels at the same time Please keep the distance between the transmitter and the receiver more than 8 M 1 01 02 04 gt 06 gt 09 gt 10 gt 15 gt 31 1 Use 4 channels at the same time Please keep the distance between the transmitter and the receiver more than 2 M 1 08 16 26 35 2 02 04 08 16 3 22 33 45 48 4 12 gt 26 48 94 5 12 26 48 92 2 Use 8 channels at the same time Please keep the distance between the transmitter and the receiver more than 8 M 1 08 16 22 26 33 35 45 48 1 Use 4 channels at the same time Please keep the distance between the transmitter and the receiver more than 2 M 1 01 04 11 16 2 01 gt 02 04 gt 13 Remark 1 The setting of SQ value is all set as SQO 2 The higher value of SQ setting the shorter distance between the transmitter and the receiver 3 The distance between the transmitter and another transmitter should be more than 50 cm 13 Specifications e wn wn z D O m lt La 514 865 MHz country dependant 16 96 frequency dependant XLR 1V 600 Q AF input 300 mV Hi 730mV 2k Q GAF input 300 mV Low 80 mV 2k Q
6. 886 4 2491 3066 E mail okayo okayo com www okayo com 07 15
7. ay Channel Number 3 7 3 7 Reception Strength 2 Channel A ARV Power Switch and Volume Control lo SET fol 3 Up Down Frequency Selector 4 Frequency Set Key 5 Channel B Power Switch and Volume Control J Operation and Setting Switch on Switch off 1 Turn Channel A B knob 2 5 clockwise until a click occurs then LCD window will be on and a text of On will appear on LCD window After 1 2 seconds the LCD window will show a channel number and signal strength it means the receiver module switched on successfully 2 Vice versa turn Channel A B knob 2 5 counterclockwise until a click occurs then LCD window will show a text of OFF for about 2 3 seconds LCD window will be off after this procedure switched off successfully Setting and Selection of Channels Press and hold SET key 4 to enter the mode of selecting the channels 1 While both Channel A and Channel B are available the channel number of Channel A shown on LCD window starts to blink Press Up or Down Frequency Selector keys 3 to look for your preferred channel number Press SET key 4 again to confirm the channel setting 2 While only Channel A or Channel B is available switch the channel number of Channel A or Channel B directly 3 If you don t press any key for more than 10 seconds it will leave the channel switching mode with channel number
8. ck Transmitter EJ 7T EJ 7XT Frequency Pairing 1 After turning on the unit the frequency pairing will be run once within 10 minutes The LED Power Indicator will be light on in blue for three times and the backlight of LCD window will be on as well while frequency pairing successfully While changing to a new channel the LED Power Indicator will be light on in blue constantly 2 Press Frequency Set key 8 for less than 2 seconds to enable frequency pairing function again During the process of frequency pairing the LED Power Indicator will be light on in blue blinkingly together with channel number PEH Gig blinkingly shown on LCD window If frequency pairing successfully new channel number will be shown on LCD window unblinkingly and the LED Power Indicator will be light on in blue constantly If frequency pairing unsuccessfully after turning on for 20 seconds it will back to the original channel number with LED Power Indicator light on in blue constantly and the original channel number remained without blinking Xx Notice This function is available while only working with DR 501A x The performance of signal transmission is highly involved with battery energy Batteries with 1600 mAh or above in capacity are recommended The optional charger HDC 702 707 is an economy solution for your daily use CAUTION 2X DO NOT attempt to charge Alkaline battery It will lead to battery leakage or even explosion 2X Take out batt
9. dback is overlarge Adjust the volume of microphone and receiver module properly Failing to charge e Make sure the charger is connected with power supply correctly Make sure battery contacts are clean and free of corrosion Change batteries if the device still can t be charged Frequencies Combination 1 Use 4 channels at the same time Please keep the distance between the transmitter and the receiver more than 2 M 1 16 21 78 82 2 15 33 80 87 3 14 23 43 53 4 34 45 67 69 2 Use 8 channels at the same time Please keep the distance between the transmitter and the receiver more than 8 M 1 04 16 21 36 37 52 785 82 2 14 22 23 29 43553 61 69 p Use 4 channels at the same time Please keep the distance between the transmitter and the receiver more than 2 M 1 01 02 04 05 2 06 07 08 10 3 09 11 12 13 4 15 16 17 18 5 19 21 22 25 6 26 gt 27 28 29 7 35 36 gt 37 39 8 62 63 64 gt 65 Use 8 channels at the same time Please keep the distance between the transmitter and the receiver more than 8 M 1 01 02 04 05 06 13 16 19 2 35 36 37 38 39 41 44 46 Use 12 channels at the same time Please keep the distance between the transmitter and the receiver more than 10 M 1 01 02 04 gt 05 06 13 gt 16 19 20 2 35 36 37 38 39 41 4
10. econds The LED Power Indicator will be light on in blue as well 2 Under any situation the unit can be turned off if pressing Power Switch key 7 for more than 2 seconds Setting of Channel After turning on the unit the current channel 4 is shown on the LCD window Press Frequency Set key 3 for more than 2 seconds until the channel number CHOR starts to blink and then press Up or Down key 5 to select the channel from 1 96 Press Frequency Set key 3 again to confirm the setting of channel number or it will return back to the original channel number after 10 seconds without pressing any key Frequency Pairing 1 After turning on the unit the frequency pairing will be run automatically once 2 The LED Power Indicator will be light on blinkingly in blue for three times and then constantly while frequency pairing successfully 3 Press Frequency Set key for less than 2 seconds to enable frequency pairing function again If frequency pairing unsuccessfully after turning on for 20 seconds it will back to the original channel number with LED Power Indicator light on in blue constantly and the original channel number remained without blinking 4 The distance for frequency pairing should be less than 3 meters gt lt Notice This function is available while only working with DR 501A Xx The performance of signal transmission is highly involved with battery energy Batteries
11. eries when the devices won t be operated in a long time Wireless Handheld Mic EJ 701TS EJ 701TM His e 1587 8 9 11 1 Mesh head 7 Power ON OFF button 2 Handheld tube 8 HI Low Mute 3 Setup button sensitivity selector 4 LCD window 9 Battery door channel frequency battery energy 10 Charging port 5 Up Down button 11 Button cap 6 Power indicator gt lt The differences between EJ 701TS and EJ 701TM are mesh head and cartridge only JJ Put Batteries in Microphone 1 Take off button cap 11 and pull off battery door 9 2 Insert batteries correctly two AA 1 2 V Ni MH rechargeable batteries or 1 5 V Alkaline batteries Put the button cap 11 back 3 This action ensures the battery door is locked and to prevent from falling off Insert 2 pcs of 1 5 V AA alkaline batteries or 1 2 V AA rechargeable batteries into the battery case and then close the battery door 9 tightly 7X DO NOT use larger capacity battery e g the Ni MH battery with over 2300 mAh might be stuck in battery room and can t be taken out Wireless Handheld Mic EJ 701TS EJ 701TM JJ Operation and Setting Turn on Turn off 1 Press Power Switch key 7 for 1 second to turn on the unit The LCD window will show On first and then show channel number and battery life indicator after 1 2 s
12. gnal indicator AF signal indicator Synchronization button Channel up down adjustment Receiver power on off control and volume adjustment UHF ACS e o a N I9 Operation and Setting Turn Receiver power on off control knob 7 clockwise until a click occurs A text of 594 will appear on LCD window for about 2 seconds and it follows a channel number The turning on is successful To turn it off just turn the control counterclockwise until a click occurs A text of per will appear on LCD window and will disappear after 2 to 3 seconds How SYNC works 695945L function can find a clean channel and assign it to transmitter in the range about 3 M Just turn on your microphone or transmitter first and press SYNC button in few seconds the progress will be done During synchronization the RF indicator will blink Change channel manually Press and hold Up or Down button 6 for 1 second until channel number is blinking Select a desired number through Up or Down button 6 A selected channel number will be confirmed in 1 second if no more adjustment made to it Please complete channel setup in one receiver first and then a second one when you have more than 1 receiver Be sure to give different channel number to each receiver Wireless Receiver Module DR 500 O O 1 LCD Window aes UHF Duo Displ
13. ket 4 Balanced AF XLR Output Power Supply Please use our product s AC Switching Adaptor as O attached e e e e Setup Procedure Signal Connections 1 Connect 6 3 mm mic jack from Unbalanced AF Output to amplifier s MIC IN and set impedance at LOW Or connect 6 3 mm mic jack from unbalanced AF Output to amplifier s LINE IN and set impedance at HI The same way can be applied in EJ 701DR ptus EJ 702DR Pius Remark AF Impedance Selection only controls kaf Unbalanced AF Output 6 3 mm jack p 6 O Amplifier h MIC IN cuo Y Vino ovr e E TV2 Balanced AF Output to amplifier s AUX IN AF Impedance Selection HI LOW Control 2X In order to prevent from the impedance from being too high thus producing o unexpected noise please set impedance at LOW if you are connecting a mic jack to a low input in the subordinate device O 3 amp If your subordinate device is with general input socket e g LINE IN AUX IN etc please set impedance at HI to avoid too low volume output Wireless Receiver Module DR 501A LCD Window Antenna A and B indicator RF si
14. le protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction may cause harmful interference to radio communication However there is no grantee that interference will not occur in a particular installation If this equipment dose cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures i 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Reorientor relocate the receiving antenna 1 Increase the separation between the equipment and receiver 1 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 1 Consult the dealer or an experienced radio TV technician for help 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 void user s authority to operate the device Consumer Alert Most users do not need a license to operate this wireless microphone system Nevertheless operating this microphone system without a license is subject to certain re
15. level volume in corresponding receiver to vertical position 12 o clock 8 If the level in the loop is perceived as low adjust level on the receiver If still not sufficient change sensitivity switch on transmitter to MID Important Notes Avoiding heat and humidity e Keep the device away from any heat source and in a location with good ventilation Do not leave it under sunlight or close to heater e DON T operate the device in the rain or in humid circumstance to prevent failure e Preventthe device from dropping e Apply factory recommended power supply to this system only It is dangerous and risky when employing a unqualified power Replacing batteries Make sure the substitute batteries are with same specifications Using incorrect batteries might lead to explosion or malfunction Remove battery from transmitter when you won t use it for along while Charging contacts Clean charging contacts regularly to ensure good connection with charger When any corrosion occurs contact your dealer to change it if you can t repair it Troubleshooting Failed to Power On e Be sure batteries are allocated and put in correct direction Be sure power adapter is plugged well No Sound Output Be sure volume control on transmitter and receiver are turned properly Be sure Mute button is not on e Be sure transmitter and receiver stay at same channel e Checkifthere is huge air interference nearby Acoustic fee
16. o Of ouo UHF PLL Wireless Microphone System UHF nae 0 ONT r XE EJ 701DR nus Single channel Diversity Receiver EJ 702DR ws Dual channel Receiver User Manual Thank you for the purchase of Wireless Microphone System EJ 701DR r us and EJ 702DR p us This manual will give comprehensive instructions and operation Please read it over before your use to perform this unit well Illustration Setup Procedure Wireless Receiver Module DR 501A ccsssseemHHH memes Wireless Receiver Module DR 500 AESTATE aeae DO Wireless Bodypack transmitter EJ 7T EJ 7XT o on 778 Wireless Handheld microphone EJ 701TS EJ 701TMH ese 9 10 Instructions for using transmitter receiver system with hearing loop amplifier 11 Important Notes Troubleshooting Ir Pa Frequencies Combination eese Specifications sess Notice The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC INFORMATION The Federal Communication Commission Radio Frequency Interference Statement includes the following paragraph The 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 These limits are designed to provide reasonab
17. strictions The system may not cause harmful interference it must operate at a low power level not in excess of 50 milliwatts and it has no protection from interference received from any other device Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems and these rules are subject to change For more information call the FCC at 1 888 CALL FCC TTY 1 888 TELL FCC or visit the FCC s wireless microphone Web site at http www fcc gov cgb wirelessmicrophones EJ 701DR p us Single channel Diversity Receiver 1 2 okoquo OJ o o O O T N 5 POWER o l AIB RX AF Sync L_J p 3 5 6 7 O OJ 12 15V 06A LOW HI VJ E o ANT B L AF OUT ome ANT A L 1 Power Switch 5 Unbalanced AF Output 6 3 mm jack 2 DR 501A Wireless Receiver Module 6 AF Impedance Selection for 5 3 Antennas 7 DC Power Socket 4 Balanced AF XLR Output EJ 702DR pius Dual channel Receiver 1 2 okaqgo OJ UHF Duo POWER IO 9 SET O L_J LJ p 3 6 7 O OJ 12 15V 06A LOW HI M O ANT B ome ANT A L 1 Power Switch 5 Unbalanced AF Output 6 3 mm jack 2 DR 500 Wireless Receiver Module 6 AF Impedance Selection for 5 3 Antennas 7 DC Power Soc
18. with 1600 mAh or above in capacity are recommended The optional charger HDC 702 is an economy solution for you daily use CAUTION 2X DO NOT attempt to charge Alkaline battery It will lead to battery leakage or even explosion 2X Take out batteries when the devices won t be operated in a long time Instructions for using transmitter receiver system with hearing loop amplifier If you wish to use handheld microphone EJ 701TM and bodypack transmitter EJ 7XT at the same time it s important to set the system in a specific order The sensitivity for EJ 701TM is deliberately low compared to EJ 7XT to enable use of the microphone in front of a speaker without setting off feedback To connect the receiver and the transmitters with a hearing loop amplifier please follow instructions I Set the system Handheld microphone EJ 701TM 1 Set sensitivity on EJ 701TM to HI 2 Setlevel volume on corresponding receiver to max 3 Adjust the input signal on the loop amplifier until the IN indicator lits up The input signal is now sufficient to activate the AGC Do not adjust more than necessary as it might distort the signal 4 Adjust the output signal loop current on the loop amplifier according to standard OdB at peaks 5 The chain transmitter receiver loop amplifier input loop amplifier output is now adjusted to EJ 701TM Bodypack transmitter EJ 7XT 6 Set sensitivity switch on EJ 7XT to LOW 7 Set
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