T-521UH-521UT-521UL - ITC Audio
Contents
1. Ture Diversity MIC System User Manual T 521UH T 521UT T 521UL Before using the system please read this manual first Thank you for choosing our UHF wireless microphone Please read the manual carefully before operation to study the correct operation method to gain the best application effect This device adopts UHF double diversity reception and DPLL multi channel frequency synthesis technology It provides 200 channel selections for each frequency bandwidth 800MHz 700MHz and 600MHz by 250KHz channel spacing in order to avoid interference easily Hand held wireless microphone UHT and hanging transmitter are both equipped with high and low power conversion function The power is supplied by two AA batteries The service time shall be longer if using alkaline high energy battery for example 10 hours for high power and 15 hours for low power On the contrary the service time shall be shorten if using rechargeable battery Adjust the sensitivity of transmitter correctly is the most important because signal distortion may be happened if sensitivity is too high and signal noise ratio may be reduced if sensitivity is too low Users don t need to adjust the sensitivity of the handheld microphone because it s already adjusted to a suitable level However the sensitivity of ULT hanging transmitter can be adjusted through the lapel microphone headband microphone and outer audio source During the high power status in the same s2. 10 5 0 PEAK v v vv vw 7 I 1 IN ANZ o l Z B Menu in main display column Press SET display the below ITER M di ot 10 15 20 2 30 3 40 5 5 10 15 20 2 30 35 4 RF DN ME oo E E E tr i se is AF ee es AF ee ee 30 25 20 6 10 5 0 PEAK 30 25 20 1 10 5 0 PEAK FREA EE A M ITM LICLKINIAL s H CHAN ewe H Il QUI Z l CITTIVvivd z Note Which of the above will be showed depends on the previous set This menu is for selecting the main display column when press A or Y key the LCD shows CHANNL or FREQU Select CHANNL it displays the channel number select FREQU it displays the current working frequency Please click the SET key to confirm after your selection otherwise it is invalid the main column will keep the previous display When you changed the choice but not confirm the LCD screen after 2 3 seconds it will remind by flashing press the SET key then the LCD stop flashing C Display and adjustment of Channel frequency Press SET to make the LCD display the below 1 5 10 20 30 35 40 1 10 15 20 2 30 35 40 RF ee ee ee RF ee ee ee ee AF ne es ee AF E i 30 25 20 15 10 5 0 PEAK 30 25 20 15 10 5 0 PEAK TLl MIL As Fee TTIE CHAN KE H 1 ae oe H Les UNJ feo ie OUR ee Note Which of the above will be showed depends on the previous set This menu displays the current working frequency or channel of the receiver press A k
3. or too low power will affect the machine s performance When put the transmitter into battery do not install the battery backwards otherwise the machine may be damaged Maintenance If the machine has a fault or performance degradation in order to avoid electric shock or severe damage or warranty right loss please do not remove the shell for repair by yourself Pls contact with the local dealer or the manufacturer and we shall provide our best service for you Accessory Pls use the accessories provided and apporved by the manufacturer to make sure the best performance Warranty There is no modification section in the unit Pls do not take it apart or you will lose the warranty right 15 8 Specifications Frequency range 640 690MHz and 740 790MHz 807 857MHz Frequency oscillation mode phase locked loop Total channels 600 CH Frequency response 50Hz 18KHz Working distance 300 Frequency bandwidth 25MHz Carrier Wave stability 5PPms10KHz Cross talk gt 80dB S N Ratio gt 105dB 1KHz A Sensitivity 105dBm 12dB S N AD THD lt 0 5 1kHz Output Impedance 2 2kO Audio output bit 12dB Mute mode Mute and Tone key squelch loop Function display LCD Power supply 12V 1A Output Connector Mode Balanced XLR Connector Unbalanced TRS 6 3mm connector
4. 2 3 seconds the LCD will remind by flashing press the SET key then the LCD stop flashing E The system lock operation Press SET to display the below 5 10 15 20 2 30 35 40 RF fg FF FF FF FF FF Ff AF en en ee es 30 25 20 15 10 5 0 PEAK I MUIT LY 7 l Lit T After 2 3 seconds it will display a lhlmlU e e e AE Dm o B 0 S 0 PEAK 0O E MEENE I MU MINY IMACES Eo la a AN O o T Note Which of the above will be showed depends on the previous set This menu function is whether lock the current receiver working status channel sensitivity in the main display column the power switch etc if shows LOC ON it can t change the current working status and the machine can not be turned off If shows LOC OFF the can change all the menu functions Please click the SET key to confirm after your selection otherwise it is invalid the main column will keep the previous display When you changed the choice but not confirm the LCD screen after 2 3 seconds it will remind by flashing press the SET key then the LCD stop flashing 4 Infrared frequency wireless microphone hand held transmitter 4 1 Framework and Function 1 net head and a sound head module net head is used to protect the voice into the sound head module of audio signals elim
5. ATT ON OFF tow 10 1 Audio input connector 2 Power switching turn the switch to ON position when using turn it to OFF position when not using 3 Status indicator when the switch is turned to ON position the indicator will flash which means the battery level is normal if it does not flash it means the battery is no power or not well installed if the indicator stays on it means the battery is dying and needs to be changed 4 Transmitting antenna the transmitting antenna is a 1 4 wave whip 5 LCD panel it displays the current working frequency channel and the battery level 6 Infrared frequency window it works with the SET key of the receiver to deliver the channel dates to the transmitter 7 Battery compartment it contains 2 pcs AA batteries 8 Battery cover it covers the batteries after installing the 2 pcs AA batteries 9 The adjust or of the transmitting audio sensitivity 10 High amp Low Function conversion keys It is designed for converting the high and low transmitted power 6 Operation Pressing lightly on both ends of the battery cover to pull out the battery compartment The operation is as same as the handheld mic which also has the functions of high amp low power switching and adjusting of transmitting audio sensitivity to adapt to different sound other audio sources 6 1 How to use the hanging wireless transmitter 1 The han
6. battery of transmitter runs out or the No radio The received frequencies are different or There is radio wave but without any audio signal The mic of transmitter is not connected or the squelch of the receiver is too high The transmitting modulation is too weak The background noise of ek and the received output level is too low to audio signal is too big cause the interrupt signal ce The transmitting modulation is too strong Audio signal distortion l l and the received output level is too high The power of transmitter is set at low level and the receiver squelch is too high The antenna of the receiver is not set properly and there is strong electromagnetic interference The using distance is too short and the signal is not stable Do not unpack or repair the machine by yourself if the failures are not contained in the above table Pls contact with the manufacturer or your local dealer 14 Operation and Preservation Don t put the unit in high humidity or strong magnetic field or under strong direct sunlight or high temperature environments The receiver power and transmitter batteries should be brought out if there is no operation for a long time Clearance Pls unplug the power socket before clearance and use the stupe to clean it Never use any cleaner or soluble liquid or it will damage the surface machining layer Power Supply Ensure the power supply is within the range of requirement Too high
7. e switch to A B Two channels will be combined to one channel as unbalanced output 11 Toggle switch to B B channel unbalanced output 12 Toggle switch to A Achannel unbalanced output 2 How to operate the receiver 1 before the start not open the transmitter turn the receiver volume to minimum and then press the power button to open the receiver When the power is turned on the LCD screen back ground lights all the characters are displayed in the same shutdown state of the last time then the main display column shows the receiver channel frequency automatic frequency state squelch level the SET button can make the main display in various content menu 2 Before the system be turned on you should observe the auxiliary display bar of the RF and AF level meter if there is a strong interference should change the channel to avoid interference or small receiver sensitivity in the menu 3 Open the transmitter power such as transmitter and receiver to different frequency the frequency RF level intensity control after the completion of the corresponding channel frequency receiver display full lattice the receiver to adjust the volume to the appropriate size and then the microphone pronunciation receiver AF level strength with pickup size variation If there is no sound output and RF level display this system does not work properly we must overhaul 4 3 open the transmitter power such as transmitter and receiver to diff
8. easonably according to their demands 2 When using omnidirectional antenna antenna shall have 0 5 meter s distance from the wall especially metal form 3 Receiving range is related to many factors It can gain a better transmission effect when there is no large metal obstacle on the 12 transmission direction 4 If receiving condition is not good extension cord and high gain antenna can be adopted or even to add antenna amplifier to get a very obvious long distance transmission effect 5 When receiver panel face to the application direction or that when receiver is put in metal box connect the antenna to front panel shall gain a better receiving effect 6 4 Using Many Sets of Microphone at The Same Place 1 Choose the frequency allocation without inter modulation Within the 25MHz band with it usually can using 8 transmitters at the same time Other frequency channel type shall be used if users need more than 8 sets transmitters 2 When using many transmitters at the same time there shall be more than 20cm s distance between each transmitter to avoid mutual interference 3 When using many receivers at the same time high gain antenna antenna amplifier and receiving shut is suggest to installed 4 If the transmitter is set as low power 100 transmitters can be used within the same frequency channel such as in KTV room classroom 13 7 Fault processing and preservation No indication from the The
9. erent frequency the frequency 3 Operating instruction of the liquid crystal display panel 1 LCD full bright display RF 9 AF 30 25 20 15 10 5 0 PEAK FREQ Th j N G Ny J y M MUTE H 6 CHAN i i mi i IN 1 3 45 8 RF display display the received radio frequency signal strength 2 8 audio level display display the level of the audio signal 8 Frequency menu display when FREQ is light the six characters displays the current operating frequency 4 Channel menu display when CHAN is light it displays the current working channel Six characters display display working state of frequency frequency channel noise level or menu content MUTE display When mute is light then no RF signal is received Channel selection display Dynamic display of the current received channel 2 Key functions and operation Press SET key to choose menu and confirm the configuration Press A W adjust the currently selected menu then press SET to confirm to setting Long press A and Y keys can quickly set frequency channels 3 Instructions for the LCD panel A Frequency setting press SET button select PRG IR for 2 seconds infrared data would be sent to the transmitter 1 5 10 15 20 2 30 35 40 RE 5 10 15 20 2 30 3 40 RF Se os O D a S 30 25 20 15 10 5 0 PEAK al 30 25 20 15
10. ey W button to change the current channel or frequency after change the frequency or channel please press the SET key to confirm and make the receiver works in the selected frequency or channel Otherwise the adjustment will be invalid the receiver will still work in the previous channel frequency When you changed the choice but not confirm the LCD screen after 2 3 seconds it will remind by flashing press the SET key then the LCD stop flashing D Receiver noise control Press SET to display the below 5 10 1 20 2 30 3 40 RF ee ee ee ee ee AF ee ee ee ee 30 25 20 15 10 5 0 PEAK TIMI im ods ee After 2 3 seconds it will display nae 5 10 1 20 25 9 RF m A a l ee AF A es ee ee ee 30 25 20 5 10 5 0 PEAK a3 ga a SI OL 2 This menu is used to adjust the receiver noise in order to enhance anti jamming capability of the system Adjust the range is from 0 to 40 db the greater the value the lower the sensitivity the closer distance the stronger anti interference ability Whereas the smaller the value minimum in 10 db the higher the sensitivity of the farther the distance but the anti interference ability will decline When normal use please set in 15 db the default factory setting is 15 db Push A or Y button to adjust the data press the SET to confirm the adjustment otherwise the sensitivity will stay as previous Without press SET after data adjustment for
11. ging mic transmitter adopts a 1 4 wave whip which could not directly contact with human body or twine with the mic m i wires otherwise it will reduce the use effect 2 The sensitivity should be adjusted according to different audio sources and mics 3 While using the clip mics in order to keep the voice not up and down by the rotation of the head you should put the clip mic in the middle position and fix the mic wire to avoid any friction noise 4 The sound head of the headset mic should be put beside the mouth The voice could be increased by adjusting the distance between the mouth and the sound head 5 When using the clip mic in the sound system it is better to choose the directional sound head and the speakers with less acoustic feedback For the sake of reducing acoustic feedback feedback suppressor should be used as well 6 2 How to use the handheld wireless mic 1 Your hand should be held in the centre of the mic Do not put your hand closed to the mic head or the sound pickup effect will be influenced If closed to the bottom antenna the emission efficiency and the using range will be reduced 2 Adjust the distance between the mic and your mouth to increase or decrease the voice 6 3 How To Use Receiver Correctly 1 Receiver is divided into two categories diversity and non diversity Non diversity is economy while diversity has longer transmission distance and better transmission effect Users can choose r
12. inating tuency channel and battery 2 liquid crystal display display freq he boot state 3 seconds long for shutdown state 3 the power switch touch click for the POP wind noise and can prevent the microphone placed rolling on the table 4 infrared frequency window with the SET key the receiver the channel parameters are transmitted to the transmitter 5 high and low power switch used to convert the microphone high low emission power 6 Locking switch used to lock the keys in the ON button an external power supply cannot be shut down only mute meet the requirements of special occasions to avoid in the course of the performance error action 7 Microphone pipe pipe end assembly head the sound head module the tube body battery emitting circuit board tail built in antenna 8 Battery window with 2 AA batteries 9 PC tail pipe 4 2 Operation Manual MIC LED ru mie 7 Let d After turning the power on the LED back light bright liquid 9 crystal display the current working channel and battery If you need to change the channel the receiver channel should be changed first And then match the transmitter and receiver for infrared alignment frequency window and press the SET receiver Then the new frequency channel parameters will be sent to the transmitter 5 Infrared frequency wireless microphone lavalier transmitter Name and function of each parts pe ae gt LL JL TV OOH B
13. pace 16 transmitters used with the same frequency channel will not cause mutual interference But mutual interference will happen if the frequency is set inappropriately During the low power status for example in KTV room and classroom about 200 transmitters can be used at the same time and will not cause the mutual interference 1 Transmitter Framework and Function Front Panel O 1 Mounting Ear If to put in 19 inch rack please screw off the two nails on the sides of the device then fix the ear on nail hole sites Nylon can separate the noise interference from the amplifier and other devices 2 Function Key Press SET key to cycle pick the main menu stop 2 3 seconds to choose one menu and current set state will be showed on the screen Press A Y key to change or reset the menu then press SET key to take effect 3 LCD screen Display the operation mode frequency channel audio output intensity LCD screen will be on when power is switch is on 4 Volume adjusting knob To adjust the output volume of transmitter 5 Frequency pairing window 6 Power switch When the switch is on the LCD screen is on Long press the switch to turn off the power 7 Power socket 12V DC 1A power input socket positive inside 2 and negative outside 8 Antenna pedestal BNC pedestal 9 Audio balance output Adopt XLR plug seat two channel signal output separately 10 Toggl
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