16 Channel UHF Wireless Microphone System User Manual
Contents
1. CITRONIC 16 Channel UHF Wireless Microphone System MU16H MU26H MU16N MU26N User Manual Features PLL digitally tuned UHF Auto mute on signal drop High quality microphone capsule 19 rack mountable 1 2 width IR tuning sync Operates using AA batteries Introduction Thank you for choosing the Citronic 16 channel UHF series wireless system This professional wireless set provides a high quality microphone with a tuneable PLL UHF radio system for ultimate wireless quality and versatility Please read this manual before using this equipment in order to avoid damage through incorrect operation and to get the best performance from your purchase Contents Please take care when unpacking this product Inspect for any damage and ensure you have the following components UHF wireless receiver Mains power adapter 6 3mm mono jack lead 2 x 1 5V AA battery 4 pieces for MU26H and MU26N Rack mounting adapters Microphone transmitter s see table below Model Stock code Microphone 1 Microphone 2 aaa en Pe MUI6H 171 829 Handheld transmitter O e MUI6N 171 830 Discreet neckband mic bodypack O o Warning To prevent the risk of fire or electric shock do not expose any of the components to rain or moisture If liquids are spilled on any component stop using immediately allow unit to dry out and have checked by qualified personnel before further use Avoid impact or heavy vibration2. artment Windshield Backlit LCD display Slide switch OFF MUTE ON Battery compartment cover oe IS Receiver Rear Panel Antennae detachable BNC Power adapter input Balanced XLR output Unbalanced 6 3mm jack output Receiver Front Panel Power IR Sync button Channel A volume control Channel A frequency up down Backlit LCD display MIN MAX nove IR sender Channel B frequency up down Channel B volume control Operation For handheld transmitters insert the supplied 2 x AA batteries by carefully unscrewing the base to reveal the battery compartment inside the microphone body slide the batteries into the compartment note negative towards top of microphone one behind the other and replace the compartment cover To switch the transmitter on move the slide switch to the first notch MUTE the LCD backlight will illuminate then move on another notch and the microphone will be switched on showing the frequency and battery status the backlight will go out after a few seconds For beltpacks squeeze down the clip in the centre of the front panel of the beltpack to unfasten the lower half which hinges outwards to reveal the battery compartment Position the supplied 2 x AA batteries inside ensure and are the correct way round for each and then close the battery compartment flap until clipped back into position If using a neckband or l
3. avalier microphone ensure that the sensitivity switch is set to the mic setting the alternative setting is for use with instruments via a jack lead and will be quieter To activate the transmitter press and hold the ON CHECK button see diagram above until the word ON is displayed this is replaced by the frequency and battery status The backlight will go out after a few seconds pressing the ON CHECK button momentarily switches the backlight on briefly Position the receiver within the best available line of sight to the transmitter s and connect the DC jack of the supplied power adapter to the receiver and the plug top to the mains outlet Turn microphone level s down on the receiver Extend both antennae fully upwards and outwards slightly and press and hold the POWER IR SYNC Button for more than 2 seconds this will switch the unit on Note for dual sets with 2 transmitters both microphones outputs will be mixed and fed to both balanced and unbalanced outputs Connect the jack or XLR optional lead to the receiver s audio output connector turn down the volume of any equipment mixer amplifier etc that the signal will be fed into and then connect the jack or XLR to the equipment Warning take care not to point microphones towards speakers this can cause damaging feedback loud whistle or howling noise try to point microphones away from the speaker cabinets Tuning The receiver LCD displ
4. ay shows the channel number 2 separate channel numbers on dual receivers and RF and AF level meters to indicate if Radio Frequency RF carrier is being received and if Audio Frequency AF is being heard by the receiver To tune the transmitter s to the receiver the receiver can send an Infra Red IR signal to the transmitter this is called IR Sync To activate this select the desired channel using the Frequency Up Down buttons see diagram above and the channel number selected will show on the LCD display Briefly press do not hold the POWER IR SYNC button on the receiver and the frequency value will flash on the LCD display For handheld units hold the transmitter with the IR sensor either on the end or rear of the microphone body near to the IR sender on the UHF receiver unit see diagram above The display on the handheld unit will flash until both transmitter and receiver frequencies are matched and channel numbers stop flashing For beltpack units open the battery compartment to reveal the IR sensor inside and hold this near to the IR sender on the UHF receiver The display on the beltpack unit will flash until both transmitter and receiver frequencies are matched and channel numbers stop flashing In use Gradually increase the microphone level s on the receiver and then increase the volume on the mixer or amplifier until the sound from the microphone can be heard through the equipment During use it may be use
5. beltpack RF meter is showing good level but no AF and no sound Ensure transmitter has good charged batteries Check if there is another nearby transmitter with the same frequency if so switch frequencies ee Fae Make sure receiver is connected to mixer amplifier RF and AF meters showing good levels but no sound P Make sure that receiver and amplifier mixer channel volumes are turned up l Place IR Sensor closer to IR Sender Canoro ye MEJUEDCIES MAIR PANG Make sure the correct channel frequency value is flashing on UHF receiver unit Turn down GAIN ADJUST on beltpack transmitter Microphone output is very loud or distorted LUN GOWN VOLUME en rEcalver Reduce Gain on mixer amplifier Ensure that XLR output is not fed to a Line input Turn up GAIN ADJUST on beltpack transmitter Turn up VOLUME on receiver a EEN EE T E E A Increase Gain on mixer amplifier j P y Ensure that Jack output is not fed to a Mic input Ensure that Sensitivity switch is not set to Instrument level Check transmitter batteries CG GG Note for further troubleshooting refer equipment to qualified service personnel for testing Citronic 2011
6. ful for the reception of the microphone to be muted for a short period of time e g to avoid feedback when walking across the front of a speaker or avoid handling noise when placing the microphone down momentarily or adjusting a neckband microphone In these circumstances it may be better to move the transmitter switch to the MUTE position which maintains the radio frequency carrier signal but mutes the microphone input When this switch is moved back to the ON position the sound will be immediately restored If the wireless system is not to be used for more than a few seconds it is preferable to slide the transmitter switch to the OFF position which mutes and deactivates the radio signal and powers down the transmitter For beltpacks hold the ON CHECK button until the word OFF is displayed and release to power down Be sure to turn down the volume of the mixer or amplifier and then switch off the receiver Unplug signal leads from the receiver and mixer or amplifier when moving or packing away If the system is not to be used for long periods of time remove the batteries from the transmitter and unplug the power adapter from the receiver and the mains outlet Retracting and or removing the antennae can also help avoid damage when the system is not in use SPECIFICATIONS eee se ee es Carrier type RF carrier stability Sensitivit Audio frequency response Signal to noise ratio Audio dynamic range T H D Maximum
7. range Operating temperature E n RECEIVER TTT eee eee Power supply Audio outputs XLR balanced Jack unbalanced Controls Indicators Dimensions Weight a ae NOR De Battery Switch RF emission Capsule type Dimensions Weight without battery a a ae Pett NO ir Ae OO BELTPACK TRANSMITTER MU16N MU26N An UPS SS NOT SN A Battery Switch Connector Compatible microphones RF emission Dimensions not inc antenna Weight without battery 90g ooa o ool ea aN a a NECKBAND MICROPHONE MU16N MU26N Capsule type Condenser cardioid response Power supply Connector Dimensions Weight FREQUENCY CHART Channel Frequency MHz Channel Frequency MHz ooa aas S 9 Baeaa5 O Pp a2 a tO 86435 O o 3 ss n 86445 ooa o a 8S o5 sa nB 865 6 si o 14 86475 o7 si 80S o 8 aas 16 86495 Troubleshooting Ensure power adapter is connected to mains and working properl No backlight on UHF receiver display ae Ensure transmitter is switched on l te fe ER oy ett Check that transmitter is not out of reception range Receiver display is lit but no level on RF or AF meters SENE Try IR frequency sync ing to ensure frequency of transmitter is same as receiver Check that transmitter batteries are good charged Check if transmitter switch is in MUTE position A l TORERE Check if neckband or lavalier microphone is connected to
8. to any of the components dropping the microphone can cause capsule failure No user serviceable parts inside transmitter or receiver refer servicing to qualified service personnel Safety Ensure that the correct adapter is used with adequate current rating and that the mains voltage is as stated on the adapter G Avoid ingress of water or particles into the transmitter s or receiver 2 Use alkaline or NiMH batteries in the transmitter s and remove if unused for long periods Observe the correct polarity when replacing batteries Placement Keep all components out of direct sunlight and away from heat sources Do not place heavy objects on top of the receiver or transmitter s If rack mounting receivers in pairs use the supplied rack ears and coupling brackets If rack mounting individually secure the receiver to a 1U rack tray and do not place heavy equipment above the receiver Keep the transmitter s and receiver away from damp or dusty environments Cleaning Use a soft cloth with a neutral detergent to clean the body of the microphone transmitter and receiver Lightly damp sterile wipes may be used on the microphone grille for hygiene purposes G To avoid damage do not use solvents to clean the components Handheld Transmitter Beltpack Transmitter UHF antenna LED indicator Sensitivity switch LINE MIC MIC input threaded 3 5mm jack Backlit LCD display ON check button GAIN ADJUST rotary Battery comp
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