Citronic RU105-N User manual

Citronic RU105-N User manual
RU105
Multi-UHF Wireless System
Item ref: 171.972UK, 171.973UK
User Manual
Version 1.1
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
Introduction
Thank you for choosing the Citronic RU105 wireless system. This professional wireless set provides a highquality microphone with a PLL tuned UHF radio system for freedom of movement without loss of audio quality.
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.
Package Contents
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UHF wireless receiver
19” rack ears
UHF antenna
BNC antenna extension lead
Handheld transmitter or bodypack receiver with neckband and lavalier microphones
Mains power adapter
6.3mm mono jack lead
2 x 1.5V AA battery
If you find any accessory is missing or the product has arrived with any problems, please contact your retailer
at once.
This product contains no user-serviceable parts so make no attempt to try to fix or modify this item yourself
as this will invalidate the warranty. We recommend you keep the original package and proof of purchase for
any possible replacement or returned demand.
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 vibration to any of the components, dropping a microphone can cause capsule failure.
No user serviceable parts inside transmitter or receiver - refer servicing to qualified service personnel.
Safety
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Ensure that the correct adapter is used with adequate current rating and that the mains voltage is as
stated on the adapter.
Avoid ingress of water or particles into the transmitters or receiver
Use alkaline or NiMH batteries in the transmitters and remove if unused for long periods.
Observe the correct polarity when replacing batteries
Placement
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Keep all components out of direct sunlight and away from heat sources.
Do not place heavy objects on top of the receiver or transmitters
If rack-mounting, use rack ears provided and do not place heavy equipment above the receiver.
Keep the transmitters and receiver away from damp or dusty environments.
Cleaning
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Use a soft cloth with a neutral detergent to clean the body of the handheld transmitter and receiver.
Lightly damp sterile wipes may be used on the microphone grille for hygiene purposes
To avoid damage, do not use solvents to clean the components
RU105 User Manual
Receiver
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
IR sync sender
LCD display
Previous (Group/Channel setting)
Next (Group/Channel setting)
Set (Group/Channel)
Output volume control
Power on/off switch
Balanced XLRM output
Unbalanced 6.3mm jack output
DC power in jack (5.5 x 2.1mm)
Antenna connector (BNC)
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
LCD display
IR sync detector
On/off switch
Battery compartment
Antenna
On indicator
Mute switch
3.5mm threaded jack socket
LCD display and on
On/off button
Battery compartment
Transmitter
Setting Up
Insert the supplied AA batteries into the transmitter by carefully unscrewing the base of the
handheld or opening the flap of the bodypack to reveal the battery compartment. Insert the batteries
(ensuring that + and - are the correct way round for each cell) and carefully replace the cover.
For neckband or lavalier microphones, connect the 3.5mm jack into the bodypack, screwing the
threaded jack securely into the socket.
The receiver antenna may be connected directly to the BNC connector on the rear panel or
alternatively front-mounted onto rack ears (see below)
RU105 User Manual
If the receiver is to be rack-mounted, place the supplied rack ears against each side of the receiver
and fix securely with 2 screws in each. These rack ears have a hole for front-mounting the antenna
and a BNC extension lead for fixing into the hole. This should be connected to the BNC on the rear
panel, creating a front socket for the antenna to connect onto.
A choice of unbalanced 6.3mm jack or balanced XLR output is available on the rear panel of the
receiver. Connect the jack or XLR (optional) lead to the relative 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.
Position the receiver within the best available line of sight to the transmitters and connect the DC
jack of the supplied power adaptor to the receiver and the plug top to the mains outlet.
Operation
Turn microphone levels down on the receiver and switch on power on the front panel of the receiver.
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.
For the handheld version, move the switch on the handheld transmitter upward to switch it on and
the LCD display should light for a few seconds, showing the carrier frequency and battery status.
For the bodypack transmitter, press and hold the front on/off button until the display lights up for a
few seconds, ensuring that the Mute switch is off. The display will show the current carrier frequency
and battery status. The transmitter frequency should match the frequency on the receiver. If not,
see “Tuning” below.
Gradually increase the microphone level on the receiver, then increase the volume on the mixer or
amplifier until the sound from each microphone can be heard through the equipment.
Tuning
The carrier frequency may be selected on the receiver unit by pressing the SET button twice, which
causes the GROUP label to flash in the display. The  and  buttons can be used to select the
Group from 1 to 7. Pressing the SET button again causes the CHANNEL label to flash. The channel
can be selected within a group using the  and  buttons.
Groups 1 to 6 have between 3 and 5 preset channels, whilst Group 7 allows access to all 81 possible
frequencies. Depending upon any other radio signals in the vicinity of the operating environment,
one particular Group may offer a better channel spacing than another and this should be determined
by experimentation. If a particular group of frequencies results in poor reception or interference, try
another or use Group 7 to manually select carrier frequencies in 25kHz steps.
Once a channel is selected, press SET to accept the channel and press SET again to transmit the IR
sync signal (animated lines will show next to IR in the display). Hold the IR detector on the handheld
microphone or inside the bodypack battery compartment up to the IR sender on the main unit to
sync the carrier frequency to the transmitter (the transmitter must be switched on for IR sync)
RU105 User Manual
In Use
Switching on the transmitter will open up the radio carrier frequency to the receiver and also send a
pilot tone frequency, which is not audible but is used by the receiver to open the audio channel. This
system helps to avoid any spurious radio frequencies interfering with the wireless microphone signal.
When the transmitter’s RF signal is recognized by the receiver, an RF meter will show the carrier
signal strength in the LCD display. Likewise, speaking into the microphone will send audio over this
carrier and an AF volume meter will show the audio level in the LCD display.
For the neckband or lavalier microphone, there is also a mute switch on the top of the bodypack,
which can be used to temporarily cut the microphone output whilst maintaining the carrier
frequency. This may be useful to silence the mic whilst moving across the front of speakers or as a
standby setting.
In addition, the bodypack has a Gain adjustment inside the battery compartment to match the gain
level for the type of neckband or lavalier microphone that is connected to it.
If the wireless system is to be out of use for longer than a few seconds, it is preferable to switch the
transmitter off, which deactivates the radio carrier signal and powers down the transmitter.
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 transmitters
and unplug the power adapter from the receiver and the mains outlet.
Folding away or removing the antennas can also help avoid damage when the system is not in use.
RU105 User Manual
Specifications
Power supply
Batteries
Carrier frequency
RF power
Tuning method
S/N ratio
THD
Frequency response
Image rejection
Range
Output impedance
Output level
Connectors
Dimensions - handheld transmitter
Dimensions - bodypack transmitter
Dimensions - receiver
Weight - handheld transmitter
Weight - bodypack transmitter
Weight - receiver
12-18Vdc 350mA adaptor (supplied)
2 x AA (included)
863.00 to 865.00MHz (81 tuneable UHF frequencies)
10mW
Phase-locked loop
>105dB
<0.5% @ 1KHz
50Hz - 18kHz (±1dB)
85dB typical
60m (max)
2.2k ohms
Balanced: 0-400mv, unbalanced: 0-200mv
DC in, XLRM, 6.3mm jack, BNC antenna
265 x 49mmØ
110 x 67 x 24mm
198 x 190 x 44mm
330g (no battery)
75g (no battery)
710g
Troubleshooting
LCD display does not light
on receiver
Receiver LCD is on but now
RF or AF signals showing
RF carrier is showing on
display but no AF showing
and no sound
RF and AF are OK but no
sound from microphone
Microphone output is very
loud or distorted
Microphone output is very
low
Ensure power adapter is connected to mains and working properly
Ensure receiver is switched on
Ensure that the transmitter is switched on
Check that the transmitter is not out of reception range
Check that the transmitter batteries are good / charged
Ensure that a genuine Citronic RU series transmitter is being used
Ensure transmitter and receiver frequencies are synced (see “Tuning”)
Check that transmitter switch is not in “MUTE” position
Ensure transmitter has good / charged batteries
Ensure there is no other nearby transmitter with the same frequency
Make sure receiver is properly connected to amplifier/mixer
Ensure that receiver and amplifier/mixer channel volumes are turned up
Turn down VOLUME on the receiver
Reduce Gain on mixer / amplifier
Reduce Gain inside the bodypack battery compartment if needed
Ensure that the XLR output is not fed to a line input
Turn up VOLUME on receiver
Increase gain on the mixer or amplifier
Increase Gain inside the bodypack battery compartment if needed
Ensure that the jack output is not fed to a low Z input
Check transmitter batteries
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or
Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.
Hereby, AVSL Group Ltd. declares that the radio equipment type 171.972UK and 171.973UK is in compliance with Directive 2014/53/EU
The full text of the EU declaration of conformity for 171.972UK is available at the following internet address: http://www.avsl.com/assets/doc/1/7/171972UK.pdf
The full text of the EU declaration of conformity for 171.973UK is available at the following internet address: http://www.avsl.com/assets/doc/1/7/171973UK.pdf
Errors and omissions excepted. Copyright© 2020. AVSL Group Ltd.
Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
RU105 User Manual
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