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All operation and user instructions should be followed.  
 
Use of this device into a radiating antenna requires a valid licence from 
a Spectrum Management Authority in most countries. 
 
Use of this device as part of a transmission system, or combined 
transmission system not specified by the manufacturer, may require 
further testing to ensure that it remains compliant with the essential 
requirements and other relevant provisions of current EU Low Voltage, 
EMC and Radio Equipment Directives. Approval and clearance from the 
Spectrum Management Authority may also be required.  
 
Installation must adhere to safety regulations and the requirements of 
the relevant authorities. We recommend that at least two people are 
present during installation. Keep a file containing installation 
instructions and plans, including details of the transmission system 
(antennas, feeders, filters, etc) and operating instructions for all 
equipment at the transmission site at all times. Display posters 
detailing first aid treatment and treatment for electrical shock, along 
with telephone numbers for contacting the emergency services in the 
event of personal injury.  
 
Ensure antenna system lightning strike protection is in place. 
 
To reduce the risk of electrical shock, do not remove the cover, or any 
screws. There are no user serviceable parts inside; refer servicing to 
qualified personnel. 
 
Do not expose this appliance to rain or moisture. The transmitter 
should not be used near water. Care should be taken so that objects 
do not fall - and liquids are not spilled - into the enclosure through 
openings.  
 
To reduce the risk of fire, always replace fuses with the same type and 
rating. 
 
The transmitter should be mounted into a well-ventilated standard 19 
inch equipment rack, using slide supports. It should be situated so that 
its location or position does not interfere with its proper ventilation. 
 
The transmitter should be situated away from heat sources. 
 
The transmitter should be connected to a power supply only of the 
type described in the operating instructions or as marked on the unit. 
Precautions should be taken so that the grounding or polarisation of 
this appliance is not defeated. 

Summary of Contents for FMTX250

Page 1: ...d such that exposure by any person to RF fields cannot exceed safe limits The permitted limits vary from country to country Expert advice should be sought about the safe installation of this transmission system RISK OF FIRE RF Radio Frequency energy could cause ignition of combustible surfaces during fault conditions Installation should be left to qualified personnel RF can cause burns to skin Ens...

Page 2: ...t operation of the cooling fans in this product is vital to reliable continuous operation Schedule bi annual maintenance checks We strongly advise the use of a standby transmitter system for use during maintenance events or fault conditions to prevent prolonged breaks in transmission IMPORTANT When cycling the power off then on ensure that the transmitter is off for at least 10 seconds before re a...

Page 3: ...ne a dedicated computer or data feed are not required Periodic content updates are easily performed via the transmitter s USB port using a Windows Laptop or PC Free software is available at https lucorobroadcast com support At the heart of the FMTX250 is a high quality PLL modulator and the RF Power Amplifier uses the latest high gain Enhancement Mode MOSFET device achieving new levels of efficien...

Page 4: ...ling first aid treatment and treatment for electrical shock along with telephone numbers for contacting the emergency services in the event of personal injury Ensure antenna system lightning strike protection is in place To reduce the risk of electrical shock do not remove the cover or any screws There are no user serviceable parts inside refer servicing to qualified personnel Do not expose this a...

Page 5: ...that which is described in the Operating Instructions All other servicing should be referred to qualified service personnel This appliance may become warm under normal operating conditions Recycle according to WEEE regulations 1 SYSTEM Status LED Green indicates correct operation red indicates a system error requiring urgent further investigation 2 DOWN Push button Press this control to navigate t...

Page 6: ...balanced audio feed to this socket 11 REMOTE 9 pin D sub Female Remote control and monitor inputs and outputs are available on this connector Pin 1 Reflected Power Alarm TTL logic low during normal operation Floats high to indicate a high level of reflected power critical antenna mis match has been detected Pin 2 Forward Power alarm TTL logic low during normal operation Floats high to indicate RF ...

Page 7: ...band MPX Studio Transmitter Link connect to this BNC Adjust the output level of the external equipment to provide the correct modulation level requires test equipment 14 MPX OUT To broadcast audio connected to the transmitter with the internal audio processing and RDS data applied connect the supplied patch lead between this MPX OUT socket and the MPX IN BNC socket 15 POWER Connect a power lead wi...

Page 8: ... can be varied by approximately 10 Pilot and RDS subcarrier levels will also change To adjust the RDS injection level locate the circuit board MPX RDS on the inside rear panel Adjust trimmer VR1 RDS to set the desired RDS injection level This is a multiturn control ELECTRIC SHOCK AND RF BURN HAZARD DISCONNECT THE POWER BEFORE REMOVING ANY COVERS Take GREAT CARE not to adjust any other circuit trim...

Page 9: ...o Processor however regular checks of audio levels entering the transmitter are advised Correct operation is confirmed by a front panel green STATUS LED Should this turn red the transmission system may shut down its RF output and will in any case require URGENT attention The LCD display shows all main parameters so no further menus are provided or required except frequency setting detailed above D...

Page 10: ... may be due to one or both of the above symptoms due to a PLL failure or due to excessive power setting The standby transmission system where used will have activated TTL control The RDS content can be periodically updated using a Windows computer and USB programming device purchased separately connected to the RDS Programming Port connector on the rear panel Follow the instructions provided with ...

Page 11: ... Voltage Directive 2014 35 EU IEC 60950 1 2005 A2 2013 Safety Requirements for equipment 600V EMC Directive 2014 30 EU ETSI EN301 489 53 v1 1 0 ETSI EN301 489 1 v2 1 1 ERM EMC for Radio Equipment Specific Conditions for FM Transmitters Part 11 Radio Equipment Directive 2014 53 EU ETSI EN302018 2 v2 1 1 Transmitting Equipment for FM Radio Broadcasting service The following operation conditions and ...

Page 12: ...1V P P 10K ohms Audio Interface Audio Input Level 8dBu for 75KHz deviation Audio Input Impedance 600 Ohms Audio input connectors XLR F RDS Groups 0A 2A others on request Power Supply Input AC 100V to 250V 50 60 Hz Consumption maximum RF output 550W 230V 50Hz Mechanical Size mm 2U 88 H x 482 W x 290 D Weight 5kg Temperature 0ºC to 42ºC Humidity 95 relative non condensing We reserve the right to alt...

Page 13: ...If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration IMPORTANT NO REPRESENTATIONS OR WARRANTIES EITHER EXPRESS OR IMPLIED OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR OF ANY OTHER NATURE ARE MADE WITH RESPECT TO THIS PRODUCT Do not misconstrue any information as our recommendation to use any product process ...

Page 14: ... this document is subject to change without notice Lucoro Broadcast makes no warranty of any kind with respect to this information Lucoro Broadcast specifically disclaims the implied warranty of merchantability and fitness for a particular purpose Lucoro Broadcast Clay Pit Lane Roecliffe York YO51 9FS Telephone 01423 313550 Telephone International 44 1423 313550 Enquiries sales lucorobroadcast com...

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