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PTX - LCD - RVR Elettronica SpA Documentation Server

1. A Ist Max Ist Max Eo 1dB Lag Mod Max c 2 S 2 D 5 Ist min 4 7 2 210 BoardSet 28 76 Modulation mode configuration Board Set ExSts Mod anl MPX U ExFrq Preemph 50us Telem 1 Clipper Off SCA Imped 10 Kohm AuSet Scale 1 1 IAMLC 5 50u CLOff 1 1 Transmission mode selector MONO MPX_U unbalanced BNC input MBX_B balanced MPX XLR input STEREO The latter option is only enabled on the version with stereo coder Preemph Preemphasis setting 0 25 50 or 75 us Preemphasis affects the right and left inputs in stereo mode and the mono input MPX inputs are not affected by preemphasis setting Clipper Deviation limiter enable disable Limits deviation to 81 5 kHz for input levels 6 dB greater than input reference main menu Imped Impedance of balance audio inputs setting possibilities are 600 or 10k Ohm Scale Modulation level graphic scale ratio It can be set to 1 1 standard scale or 1 10 magnified 10 times convenient when evaluating modulation for low input levels Rev 3 3 31 08 10 User Manual 7 2 2 11 7 2 2 12 Stereo Set Configuration menu for stereo coder where relevant option is installed Stereo Set ExFrq Pilot Add remove pilot tone convenient for some types of measurements Chan ph Right channel pha
2. 5 mu Cm The block diagrams of a standard PTX LCD exciter and a equipped with TRDSP are compared in the figure below with special regard to the input card RDS SCA1 5 2 5 Bno re mono e stereo Right MPX Analog Stereo Left Mono Coder 5 1 5 2 SCA3 AES EBU AID User Manual Rev 3 1 31 08 10 71 76 13 12 1 13 12 1 1 72 76 Operating system and TRDSP When TRDSP is installed new screens are added to the administration menu to handle the key operating parameters of the card HF Status 4 RF Status Off 108 3 FPwr 0 0W 0 RPwr 0 04 1 DIGITAL Freq 87 500Mhz Jatt OdBu MPU 50u CLOff 1 RF RF power output On Off Reading and setting of time taken by PTX to reach set power setting range 1 to 100s FPwr Output power reading and setting Reading is expressed in Watts whereas setting is in percentage of maximum power If the encoder is pressed when the cursor is on this option measurement unit label changes from W to and the desired percentage can be set by turning the encoder Press the encoder to store the new setting RPwr Reflected power reading in watts DIGITAL Mode of operation of TRDSP card 0 Output power setting in percent Fr
3. PTX LCD 5 2 Preparation Le Unpack the transmitter and before any other operation check the unit for any shipping damage and check that all the controls and connectors on the front and rear panels are in good conditions Check the mains voltage selector on the rear panel the selected value is indicated by an arrow If required extract the selector block levering with a little screwdriver Fig 5 2 Rotate the block until the correct printed value corresponds with the arrow then reinsert it Figure 5 2 If it has been necessary to change voltage check the fuse value The required values are the following PTX30 LCD 230 10 3 16 A 6x30 115V 10 6 30 A 6x30 PTX60 LCD 230 10 6 30 A 6x30 115V 10 10 0 A 6x30 PTX100 LCD 230 V 10 6 30 A 6x30 115V c 10 10 0 A 6x30 Itis also possible to check the integrity of the RF amplifier section fuse Its value is 4A for the PTX30 LCD version and 8A for the PTX60 LCD and PTX100 LCD versions Verify that the mains switch on the front panel of the unit is on the OFF position Connect to the RF output of the exciter a proper load a dummy load with suitable dissipation power an antenna a final amplifier or a combiner NOTE When you connect the PTX LCD to other devices it is necessary to strictly follow the instructions given by the resepective manufacturers to avoid damages or danger situations User Manual Hev 3 1 31 08 10
4. LAA eduioexssna DL 7 SEES SNO eno SNO zno 5 VEZLEZTMSSd1S 010 148 415 o 5 5 H3MOd e ONIHOLIMS xdi 5 2 y y TUS d91ASHOW M 19 END ear 15 DWEXLddNOTS T du 10091X1dL14 soao iar eu 3 zu 00 10 0018 oar IND 415 oianv Nid 92 415 NNOO 1141415 Nid 92 NNOO H3HLOW 11 Hit var Nid 91 41816 NNOO E IND 9 NOOSWW NNOO AN T0OEKLANINWIS HadooNa TS 274114468015 2 25 68 HOLO3NNOO EN Ho 708021515 43009 oaualis IONS brief description of the different module functi ingisa Follow 55 76 Rev 3 1 31 08 10 User Manual PTX LCD R R 13 1 13 1 1 56 76 Power Supply There are two separate power supply sections A first section provides power supply for power final stage It consists in a switching power supply unit mounted on a cooling fin The second section consists in a card mounted on a heat sink located centrally in the machine This card accommodates the power su
5. fe E e 95 5825 g cH ga pw R28 Gum 202080 Res R30 icd a z 8280 R32 e Sus 855 R56 R52 Cs 5 64 D cao 13 9 Telemetry SLTELEMOO001 optional This has a female DB25 connector that be accessed on the machine rear panel This card provides 8 programmable customized alarms that are discussed in paragraph 9 1 This card enables user access to TELEM Menu measurements and controls It can measure 8 analogue inputs from 0 to 5 V it also controls two digital outputs that use relay contacts and an open collector digital output The card requires no settings or adjustments 64 76 Rev 3 3 31 08 10 User Manual ELETTRONICA PTX LCD 13 9 1 Telemetry This optional menu displays the state of the optional add on telemetry card MPU 50u CLOff Pl On If the telemetry is not fitted displayed values are not applicable If the relevant option is installed and the card 25 pin connector is fitted at the rear of the machine the fields have the following meanings T1 T2 T3 T4 T5 T6 T7 T8 R1 R2 VB OUT User Manual voltage on pin 9 of telemetry card input connector voltage on pin 22 of telemetry card input connector voltage on pin 10 of telemetry card input connector voltage on pin 23 of telemetry card input connector
6. User Manual 7 2 1 2 Status Bar This status bar relates to certain settings that can be modified from the administration submenus these settings are discussed in greater detail further below vau C Fl n Ste Audio operating mode Stereo Mono MPX U MPX B 50u Preemphasis 0 25 50 75 microseconds Cl Clipper feature On Pl Pilot tone transmission or Off 001 Machine address from 001 to 200 relevant when machine is integrated into a telemetry transmission system Turning the encoder moves the cursor to the next submenu label while its content appears in the centre of the window If the encoder is pressed when a menu indicator is highlighted on the navigation bar and that menu contains editable parameters the cursor jumps into the window in the centre of the display to enable editing All menus of this type contain an EXIT field press the encoder when this field is highlighted to exit the submenu and return to navigation mode User Manual Rev 3 1 31 08 10 21 76 PTX LCD ELETTRONICA 7 2 2 Administration menu 7 2 21 RF Status RF FPwr RPwr 0 Freq Att 22 76 4 RF Status i RF Off 10s FPwr 0 0W 0 RPwr 0 0W 87 500Mhz OM 50u CLOff 1 1 Freq jAtt 1 18 19 RF power output Reading and setting of time taken by the LCD to reach set power setting range 1 to 100s Output power reading and setting R
7. 1 Incase of ExFrq enabled is necessary to modify the jumper JP6 on power supply as indicated in the following figure in order to enabled the alternatives frequencies that shall be used when the exciter is used as backup in a 1 system 2 In case of MAINS alarm enabled is necessary to modify jumper the JP6 on power supply as indicated in the following figure in order to validate the activation CPU card 16 bit of the alarm Example relating to MAINS ON on power supply card The CPU card is located at the front end of the device and is secured to the panel card This card is the heart of the transmitter as it handles and processes all information provided by the other cards and by other devices connected through the serial interface or the telemetry card The 1Mb Flash Memory enables firmware update through direct connection of PTX LCD RS232 output to the serial port of a PC Card specifications are as follows Microprocessor Flash Memory size Static RAM size Communication Interface EEPROM size Self diagnosis LED Rev 3 1 31 08 10 90F5436 1MBytes 32KBytes RS232 RS485 and Bus 2KBytes 1 red led 63 76 PTX LCD R R The card requires no settings or adjustments g B y Ol OR 2 5160 Boom j GR ce c e akun EM i 11 a ac cana 5 x ORO 555 88888588 200 cx UU B Blow
8. voltage on pin 11 of telemetry card input connector voltage on pin 24 of telemetry card input connector voltage on pin 12 of telemetry card input connector voltage on pin 25 of telemetry card input connector service relay 1 enable disable service relay 2 enable disable battery supply voltage only if optional 24 volts card is fitted supplemental service output to control an external circuit Rev 3 1 31 08 10 65 76 PTX LCD RaW R 13 10 13 10 1 66 76 Telemetry 51 00002 optional The customized 1 version is supplied with telemetry 5 00002 as standard this card provides a parallel interface similar to that of other RVR Elettronica devices PJ series amplifiers HC series couplers Pin 13 of the DB25 connector signifies RF Enable interlock and must be closed to ground to enable machine power output Normally this is accomplished by using an optional external Power Good card device ESTX300 or a simple DB25 connector with pin 13 closed to ground pin 3 7 or 21 TLC TLS When the telemetry card SLTELEMOOO 2 is used the following menu is enabled TLS Power 30W PG1 0 PG2 0 STATUS LOCAL MPU 50u CLOff Pl On Power This line provides a settable software limit for the PTX LCD maximum output power Available options are 100 W no limit and 30 W maximum PTXLCD output nearly 30 W PG1 Threshold level fo
9. 30 Hz 15 kHz 0 01 dB 30 Hz 15 kHz 90 dB Right and left channel MPX Left and right channel Specification Program Identification PS Program Service PTY Program Type TP Traffic Program Identification TA Traffic Announcement AF Alternative Frequencies M S Music Speech PIN Program Item Number RT Radio Text EON Enhanced Other Networks TDC Transparent Data Channel IH In house Application 57 kHz 1 5 Hz Internal or external 24 bit 24 bit 32 bit Rev 3 3 31 08 10 User Manual 11 Factory Settings Each time a change is made to a 1 parameter the new setting is added to machine configuration information which is stored in a non volatile memory area On switch on the exciter will retain the same configuration it had been using before the last switch off At the factory the exciter may be set to meet application specific requirements for example when the customer specifies operating frequency and mode of operation of the system the exciter is to be incorporated into on order or to a preset configuration The PTX LCD preset configuration is determined by the position of a set of jumpers located inside the machine When the exciter is switched on the name of the selected preset configuration appears on the display see 7 1 Possible configurations are as follows CCIR Parameter Menu Value Power Output Preset On Minimum frequency 87 5 MHz Maximum frequency 108 0 MHz
10. Left and Right analogue signal and includes a matching level trimmer This section also enables digital or analogue input selection digital inputs are selected by default where fitted whereas analogue inputs are selected using the Digital Analog switch jack connector A manual switch is available to choose between the balanced AES EBU and unbalanced TOSLINK and S PDIF digital input After the necessary elaboration filtering level adjustments D A conversion selection the audio input passes the signal on to the mainboard that routes it to the coder card 68 76 Rev 3 3 31 08 10 User Manual PTK LCD HEEEBESBEBS ta 8 8j ei aene JB m u4 3B 93 sca 0 men 5 8 8E R58 RA 5 C53 Ea 59 801488 602215 TEB S we 5 User Manual m AY BANYAK Rev 3 1 31 08 10 69 76 PTX LCD RVR 13 12 TRDSP card optional Option TRDSP is a DSP based digital circuit that performs the following tasks input selection level adjustment and processing filtering and preemphasis stereophonic coding RDS Radio Data System signal generation The TRDSP accepts audio inputs in digital form AES EBU or Left and Right analogue inputs that are immediately converted into digital format A D A digit
11. or into the modem housed in the Radio Modem Box is registered for Data amp Fax Service see facsimile contract in Fig 5 1 SIM card configuration for DATA FAX reception must meet the following specifications Asynchronous Transparent 300 9600 Baud Maximum connection speed is 9600 baud for transmission over GSM phone line Figure 5 1 36 76 Rev 3 3 31 08 10 User Manual ELETTRONICA PTX LCD 9 1 1 Radio Modem Box Configuration Follow the instructions provided below closely to ensure correct configuration of PTX LCD connection 1 2 3 cu NE User Manual Open the Radio Modem Box Insert the SIM card into the GSM modem see Fig 5 2 Set dipswitches as required see table 5 1 SW PJ2000MC PJ1000M ana Meter PJ300M PJ1000M dig meter ana Meter PJ501M PJ500M C HC dig meter PJ1000C 1 OFF ON ON 2 OFF ON ON 3 ON OFF OFF 4 ON OFF OFF 5 ON ON OFF 6 OFF OFF ON 7 OFF 8 OFF OFF ON Table 5 1 the Radio Modem Bok Connect the 220V power supplies Connect the RS232 DB9 cable across the PTX LCD and Radio Modem Box Connect the REMOTE DB15 cable across the PTX LCD and Radio Modem Box Connect the Telemetry DB25 cable across Radio Modem Box and amplifier if fitted Connect the red black cable across the PTX LCD and Radio Modem Box jacks take care to avoid possible short cir
12. replacement units parts Any damage to the goods must be reported to the carrier in writing on the shipment receipt Any discrepancy or damage discovered subsequent to delivery shall be reported to R V R Elettronica within 5 five days from delivery date PTX LCD To claim your rights under this warranty you shold follow this procedure 1 Contact the dealer or distributor where you purchased the unit Describe the problem and So that a possible easy solution can be detected Dealers and Distributors are supplied with all the information about problems that may occur and usually they can repair the unit quicker than what the manufacturer could do Very often installing errors are discovered by dealers 2 If your dealer cannot help you contact R V R Elettronica and explain the problem If it is decided to return the unit to the factory R V R Elettronica will mail you a regular authorization with all the necessary instructions to send back the goods 3 When you receive the authorization you can return the unit Pack it carefully for the shipment preferably using the original packing and seal the package perfectly The customer always assumes the risks of loss i e R V R is never responsible for damage or loss until the package reaches R V R premises For this reason we suggest you to insure the goods for the whole value Shipment must be effected C I F PREPAID to the address specified by R V R s service
13. Frequency step 10 kHz Preset frequencies Admin ExFrq 87 5 90 0 92 0 94 0 96 0 98 0 100 0 102 0 104 0 106 0 MHz Power Preset 0 96 Input level Mono L Admin gt AuSet gt Mono L X dBm 0 dBm Input level MPX R Admin gt AuSet gt MPX R X dBm 0 dBm Input state Mono L Admin gt AuSet gt Mono L X dBm On Input state MPX R Admin gt AuSet gt MPX R On Preemphasis Admin gt BdSet gt Preemph 50 us Clipper Admin gt BdSet gt Clipper Off Mode of operation Admin gt BdSet gt Mode Stereo if stereo coder is present MPX if stereo coder is not present Pilot tone Admin gt StSet gt Pilot On if stereo coder is present Phase difference btw Channels Admin gt StSet gt Chan0 if stereo coder is present User Manual Rev 3 1 31 08 10 51 76 PTX LCD RaW Ra 52 76 FCC Same as CCIR except Parameter Menu Value Preemphasis Admin gt BdSet gt Preenph 75 us Mode of operation Admin gt BdSet gt Mode Stereo if stereo coder is present Mono if stereo coder is not present OIRT Same as CCIR except Parameter Menu Value Minimum frequency 66 0 MHz Maximum frequency 74 0 MHz Preset frequencies Admin ExFrq 66 0 67 00 68 00 68 00 69 00 70 00 71 00 72 00 73 00 74 00 MHz Mode of operation Admin gt BdSet gt Mode Stereo if stereo coder is present Mono if stereo coder is not present JAPAN Same as CCIR except Parameter Menu Value Minimum frequency 76 0 MHz Maximum frequency 90 0 MHz P
14. MONITOR level trimmer 11 TOS LINK Fibre optic digital audio input connector 12 19 kHz pilot BNC connector for output tone control may be used to synchronise external devices such as RDS coder 13 Right Right input connector type XLR 14 Left Left input connector type XLR 15 Remote DB15 connector for interface to remote devices 16 AES EBU Balanced XLR connector for AES EBU digital audio input 17 RS232 DB9 connector for direct serial communication or modem 18 SPDIF Unbalanced PIN RCA connector for S PDIF audio input User Manual Rev 3 1 31 08 10 13 76 PTX LCD n R 6 5 Rear Panel GSM option R F A 500 0 e e MAINS VOLTAGE TEST 30dB 1 FUSE 2 TELEMETRY 3 RS232 4 MODEM 5 SUPPLY GSM 6 SIMSLOT IN 7 GSMANT 8 RFL 0 RFL 10 REMOTE 11 RF Output 12 PLUG 13 IN 1PPS 14 IN 10MHz 15 24 IN 16 24 IN 17 Fuse 18 INTERLOCK 19 FAN 20 RF Test 1 20 Figure 6 3 Power supply fuse and voltage selection block DB25 connector of telemetry card option DB9 connector for direct serial communication or modem DB9 connector connected to GSM modem Power supply plug of GSM modem GSM card slot Press button to extract card from slot SMA connector for G
15. manager on the authorization AUTHORIZATION AS THEY WILL BE REFUSED DO NOT RETURN UNITS WITHOUT OUR 4 Be sure to enclose written technical report where mention all the problems found and a copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be ordered from the following address Be sure to include the equipment model and serial number as well as part description and part number R V R Elettronica SpA Via del Fonditore 2 2c Service 40138 BOLOGNA ITALY Tel 39 051 6010506 3 First Aid The personnel employed in the installation use and maintenance of the device shall be familiar with theory and practice of first aid 31 Treatment of electrical shocks 3 1 1 If the victim is not responsive Follow the A B C s of basic life support Place victim flat on his backon a hard surface Open airway lift up neck push forehead back Figure 1 Figure 1 Rev 3 1 31 08 10 1 76 PTX LCD 3 2 3 2 1 2 76 clear out mouth if necessary and observe for breathing if not breathing begin artificial breathing Figura 2 tilt head pinch nostrils make airtight seal four guick full breaths Remember mouth to mouth resuscitation must be commenced as soon as possible Figura 2 Check carotid pulse Figura 3 if pulse is absent begin artificial circulation Figura 4 depressing sternum Figura 5 Figure 5 In case of onl
16. of the equipment The R F signal from the PLL DRIVER CARD which is about 200mW reaches the pilot MRF237 class C is amplified up to about 1 5W and sent to the final stage BLF245 that finally amplifies up to 30W The resulting signal is filtered by a low pass filter to remove harmonic components A directional coupler located inside the final stage measures forward and reflected power of the load and sends the relating signals to the power supply for verification A 30dB level output for output power is available on a BNC connector located on the rear panel under the transmitter output connector User Manual Rev 3 1 31 08 10 61 76 PTX LCD R R 13 7 13 7 1 62 76 Panel Card This card is located in the front end of the device and provides an interface between the CPU card and the remaining PTX LCD cards This card handles all signals from to LCD Encoder LED Indicators Power Supply Card Audio Mainboard and external telemetry card in other words all input output signals of the CPU card Adjustments settings and indicators JP8 Position of panel card jumpers ojo ojoje RR 27 R25 979r Quo 19 99e 00050 0 0 0 979 OQ oue The software denotes jumper positions as follows 1 signifies a closed jumper 0 open jumper X any position Rev 3 3 31 08 10 User Manual ELETT
17. pinout of the amplifier used PTX LCD Telemetry 2 111 e e e RF Amplifier Figure 5 3 Switch on amplifier and exciter set to minimum power Turn both trimmers fully anticlockwise Gradually increase exciter output power until the forward power reading on the amplifier meter is just below the desired threshold Rev 3 3 31 08 10 User Manual Turn the EXT AGC FWD trimmer clockwise until the reading of amplifier output power begins to decrease Set exciter power to minimum setting Disconnect the dummy load from the amplifier and replace it with a mismatch load so that part of the output power is reflected back and set amplifier meter to measure reflected power Gradually increase exciter output power until the reflected power reading on the amplifier meter is just above the desired threshold Turn the EXT AGC RFL trimmer clockwise until the reading of amplifier reflected power begins to decrease The trimmer calibration procedure is completed Thanks to this system the user may choose the preferred power setting at the exciter while amplifier forward and reflected power remains within the set thresholds User Manual Rev 3 1 31 08 10 9 76 PTX LCD ELETTRONICA 6 External Description This section describes the components found on the front and rear panel of PTX LCD 6 1 Front Panel 1 O
18. the 220V power supplies 6 Connect the RS232 DB9 cable across the TLC SCM unit and the Radio Modem Box 7 Connect the red black cable across the TLC SCM unit and Radio Modem Box jacks take care to avoid possible short circuits Switchon the equipments Connect PC and Radio Modem Box using the front panel RS232 DB9 connector 10 Programme the internal EEPROM refer to TLC SCM manual 11 Disconnect the PC connection cable and connect the supplied DB9 DB9 cable 12 Connectthe GSM modem antenna to connector N of the Radio Modem Box Use a broadband Yagi log periodic directional antenna 700 900 MHz 13 Select modem as GSM in TLC SCM settings Figure 5 2 38 76 Rev 3 3 31 08 10 User Manual n v R PTX LCD 9 2 Remote Alarm Reporting COnfiguration Firstly you will have to programme certain the PTX LCD parameters using the TELECON software To this end connect the PC serial port COM to the RS232 connector on the PTX LCD rear panel using a standard Male DB9 Female DB9 serial cable General Set Uart 1 Baud 9600 Modem Absent Mode Remote Date 16 12 2003 Time 17 39 29 MPU 50u CLOff Pl On When using the TELECON software for the first time select the station and then enter COM portused Baudrate 9600 type of connection direct via cable When you have entered the correct data click the Start button to confirm and the TELECON main screen appears as show
19. 0 gt 1 Transition 0 gt 1 Transition 0 1 Transition 0 1 Transition 0 gt 1 Transition 0 gt 1 Transition 1 gt 0 Transition 1 0 Transition PTK LCD ALARMNAME Name of alarm sent with SMS max 20 characters e THRESHOLD Alarm activation threshold in percent FRONT 0 gt 1 Alarm is activated if signal exceeds set threshold 1 gt 0Alarm is activated if signal drops below set threshold STATUS Enable Enable Alarm reporting enable Disable Disable Alarm reporting disable E When all parameters are set press this key and the PTK LCD will store the Write EEprom information When finished click Exit to exit the remote station programming window Back into TELECON standard interface click the General measurement selection button to set thresholds and operation times for the various alarms according to the principles outlined in Section Alarm Management Note When setting alarm thresholds allow a margin of some percent points with respect to normal operation parameters User Manual Rev 3 1 31 08 10 43 76 Note When the configurations are completed do not forget to connect the GSM modem to the PTX LCD using the supplied cables the following block diagram and picture are for your reference PTXLCD 9 3 Remote Control All PTX LCD parameters can be monitored on a PC with a suitable modem connection 44 76 Rev 3 3 31 08 10 User Manual EL R Y R PTX
20. 08 10 User Manual Example of the PTX LCD response to received SMS enquires STANDARD INFO 001 Test station Pwr On FWD 12 5W RFL 0 1W ExFWD 50 ExRFL 1 Frq 88 520 MHz Audio Present GSM Ivi 77 MAINS Present TXON 001 Test Station ON Command TXOFF 001 Test Station OFF Command ALARM 001 Test Station Tot 1 6 Alarm 02u 11 02 2004 11 43 Low FWD Power RESET Alarm Reset RESMOD Reset Modem TRDSP AND ISOFREQUENCY OPT DELAY 624 001 Test Station Total Delay Set 624 00 us STEP 10 001 Test Station Total Delay Set 624 50 us PH Normalized phase Inverted phase Note DELAY and STEP commands are only available if the optional TRDSP card is installed CS Note For PTX LCD to actually process the reply or requested command the GSM number used to send the request must be stored in the list of numbers set in PTX LCD This does not apply to INFO SMS messages PTX LCD will answer regardless of whether the originating number is registered or not User Manual Rev 3 1 31 08 10 35 76 PTX LCD RaW Ra 9 Remote Alarm Reporting and Control Opt The Remote Alarm Reporting and Control service is activated when the PTX LCD is supplied in one of the following configurations e Radio Modem Box telemetry interface External GSM modem Internal GSM modem GSM option 9 1 Preparation Ensure that the SIM card to be inserted into the external modem the internal modem
21. 2 3 Power Supply This is an information screen showing the different voltages supplied by the amplifier 15 15 5 12 LAMP CPU User Manual Power Supply 15A 15 1 15P 14 8 5 5 0V 12 11 2V Lamp 13 2V CPU 5 0V MPU 50u CLOff Main supply voltage to audio pll coder circuits it is reduced to 8 Volts on the MAIN AUDIO BOARD Supply voltage to control logic panel Voltage in power supply digital circuits Negative voltage of main power supply Display lamp supply voltage typically 13 Volts CPU supply voltage Rev 3 1 31 08 10 23 76 7 2 2 4 External Power 7 2 2 9 24 76 External amplifier control menu This menu may or may not be available depending on machine jumper settings see 11 7 1 Use of this menu requires certain power amplifier features amplifier may be turned on and off by opening a contact and is capable of providing proportional voltages to forward and reflected power External Power Pwr Off FPwr 0 RPwr 0 MPU 50u CLOff Pl On PWR Status indicator command relates to the PTX LCD mode MAIN menu FPWR Forward power supplied by external amplifier expressed in percent RPWR Reflected power supplied by external amplifier expressed in percent External Status Monitoring menu for input voltages from a telemetry equipped equipment This menu may or may not be available depending on machine jumper settings see 11 7 1 MPU
22. 5 76 PTX LCD R Y R Connect the mains cable to the plug on the rear of the exciter CS NOTE This device shall be correctly connected to ground Correct grounding is essential both for safety and to reach the rated performances Connect your source audio for example the mixer or STL output to the suitable input connector Depending on the version the PTX LCD offers a number of input choices L R MPX or even digital see the connectors description for details 5 3 Operation Switch on the exciter with the mains switch on the front panel All the STATUS and ALARMS leds are lit on to permit the verification of their good working status The display than shows some information regarding the exciter RVR ELETTRONICA PTX30 LCD TRDSP CCIR STEREO 03050600 30 04 2004 After a few seconds an intermittent beep and a display message prompt the user to push the button if operating parameters are not acceptable ATTENTION setting parameters Frequency 98 000 Mhz Power 8 Push encoder button if you don t accept these parameters Pushing the button places the transmitter in standby mode which provides full operation but disables RF power output If the button is not pushed the start up sequence will continue The transmitter stores set parameters in anon volatile memory so that the correct configuration is retained upon power off 6 76 Rev 3 3 31 08 10 User Manual R W R PTX LCD W
23. 50u CLOff V1 Input voltage at pin 6 of REMOTE connector expressed in Volts max 5 Volts V2 Input voltage at pin 13 of REMOTE connector expressed in Volts max 5 Volts V3 Input voltage at pin 5 of REMOTE connector expressed in Volts max 5 Volts Rev 3 3 31 08 10 User Manual 7 2 2 6 7 2 2 1 VA Input voltage at pin 12 of REMOTE connector expressed in Volts max 5 Volts V5 Input voltage at pin 4 of REMOTE connector expressed in Volts max 5 Volts V6 Input voltage at pin 11 of REMOTE connector expressed in Volts max 5 Volts Ext Freq SET Frequency switching menu switching is based on voltage present in previous menu This menu may or may not be available depending on machine jumper settings see 11 7 1 Ext Freq SET Freq 1 87 500MHz Freq 2 90 000MHz Freq 3 94 000MHz Freq 4 100 000MHz Freq 5 101 000MHz Freq 6 104 000MHz 50u CLOff 1 Freq 1 Default service frequency Freq 2 6 Service frequencies of transmitters 2 6 SCA RDS This menu shows the modulation levels achieved by the SCA and RDS inputs in the PTX LCD 5 1 0 0 5 2 0 0 RDS 0 05 MPU 50u CLOff 1 The PTX LCD has three subcarrier transmission inputs named SCA1 SCA2 and RDS This menu shows the modulation level achieved by each input both in kHz and in percent User Manual Rev 3 1 31 08 10 25 76 PTX LCD RVR 7 2 2 8 Audio Set Audio settings channels on o
24. LCD The TELECON software establishes connection with the station through a phone line or GSM modem and enables the following remote operations alarm reset transmitter switch on switch off output power reduction dummy load testing etc data evaluation to locate possible faults identification of parts required for repair Safety hold Anode Transormer Overheat pm 6 Clamps overheat G1 Current alarm hold Blower Overload Anode current alarm hold Anode Transormer Overload 104 10 oues 6 6 OL w 6 vno NEENN 9 Driver RFL Power Out w o a Air 57 Audio Alarm c Sus 44 306 6677 9 4 Internal Modem Option GSM With this option all operations listed above can be performed via the modem built into the exciter When the configurations are completed do not forget to connect the integrated GSM modem to PTX LCD using the supplied cable as shown in the picture User Manual Rev 3 1 31 08 10 45 76 PTX LCD RaW CS Note The RS232 and MODEM connectors are connected to each another by factory However they may also be used independently for example RS232 connector for factory parameter programming and MODEM connector for GSM modem connect
25. N 2 ONAIR 3 REMOTE 4 PWR SET OK 5 EXT RF MUTE 6 DISPLAY 7 ENCODER 8 POWER 9 GENERAL 10 UNLOCK 11 SWR 10 76 Figure 6 1 Indicates that exciter is switched on Exciter is delivering output power is on air Exciter is controlled by an external system steady on Exciter is delivering the set output power flashing exciter did not reach set power due to external factors Exciter is not delivering power because inhibited by an interlock Liquid Crystal Display supports both graphics 240x64 pixels and text 30x8 characters Software control knob and button Mains power switch Indicates transmitter failure in the event of alarms PLL not yet locked to set frequency Transmitter blocked due to exceeding SWR Rev 3 3 31 08 10 User Manual 6 2 Rear Panel PTK LCD 1 PLUG 2 24Vdc IN 3 P A Fuse 4 INTERLOCK 5 VENTOLA 6 RF Test 7 LEVELADJ 8 MPX Unbal 9 5 1 10 SCA2 11 SCA3 RDS 12 FUSE 13 Telemetry 14 RS232 15 Remote 16 EXTAGC 17 RF Output 18 Left mono 19 Right MPX 20 Monitor 21 19 kHz pilot User Manual Figure 6 2 Mains power plug Connectors for external 24V power supply option Positive red and negative black Protection fuse of RF final stage Interlock BNC connector when central conductor is connected to ground the transmitter is placed into forced standby mode Forced coo
26. PIK LCD 0 0 AWU M 30m 0 User Manual Volume 1 ELETTRONICA Manufactured by 2 0 Italy Name File capitoli_en p65 Version 3 3 Date 31 08 2010 Revision History Date Version Reason Editor 07 05 04 0 0 New CPU 16 bit card J H Berti 06 08 04 0 1 T U functionality addition J H Berti 17 12 04 0 2 GSM option addition and Software description J H Berti upgrade 15 02 05 3 0 Upgraded Version J H Berti 13 11 06 3 1 Remote Connector Description upgrade J H Berti 24 07 07 3 2 Description upgrade of the jumper on panel card J H Berti 31 08 10 3 3 Description upgrade of input J H Berti PTX LCD User Manual Version 3 3 Copyright 1998 2010 R V R Elettronica SpA Via del Fonditore 2 2c 40138 Bologna Italia Telephone 39 051 6010506 39 051 6011104 Email info rvr it Web www rvr it All rights reserved Printed and bound in Italy No part of this manual may be reproduced memorized or transmitted in any form or by any means electronic or mechanic including photocopying recording or by any information storage and retrieval system without written permission of the copyright owner Notification of intended purpose and limitations of product use This product is FM transmitter intended for FM audio broadcasting It utilises operating frequencies not harmonise
27. RONICA 13 8 User Manual PTX LCD Jump Jump Jump Jump Jump Jump Jump Jump Jump Jump Meaning 5 6 7 8 9 10 11 12 13 14 0 0 x x x Xx x x x x ExPwr ExSts and ExFrq menu disabled 1 0 x X X X x X ExPwr and ExSts menu enabled ExFrq menu disabled 0 1 K K x x x x x Xx ExPwr and ExSts menu disabled ExFrq enabled 1 1 x x x x x x x x ExPwr ExSts and ExFrq disabled x x 0 0 0 x x x x x Default parameters set in case of exciter reset CCIR for PLL at 10MHz X X 1 0 0 x x x x x Default parameters set in case of exciter reset FCC x x 0 x x x x x Default parameters set in case of exciter reset OIRT x x 1 1 0 x x x x x Default parameters set in case of exciter reset Japan x x 0 0 1 x x x x x Default parameters set in case of exciter reset Italia x x 1 0 1 Default parameters set in case of exciter reset CSI X x 0 1 1 x x x X X Reserved for future applications x x 1 1 1 K K K K K Reserved for future applications K 1 x x x MAINS alarm enabling NOTE in this case is necessary to move the two jumpers from positions 3 5 and 4 6 to the positions 1 3 and 2 4 of Supply card JP6 jumper see fig below x x x x x x 1 x x x TRDSP optional card presence x x x x x x x 1 x x 13 MHz Quartz frequency on PLL card x x x x x X X X 1 x Telemetry optional card presence x x x x 1 SFN software version only for TRDSP
28. Release date N ID Identifier used when system is made up of several machines it may be modified using the TELECON software please read relevant manual for more details Station Name Name of the station the machine is part of station name may be modified using the TELECON software please read relevant manual for more details 7 2 2 16 Modem This menu lets you view modem configuration state Modem Config ALmSt AlmLt Gset 1 439333666 TrDsp Retry 0 SMS 0 IsoFr 1 Dial ATDT Info i Mode 50u CLOff 1 1 lvl Signal level indication Modem state is reported at the side ST BY 32 76 Rev 3 3 31 08 10 User Manual Stand by CKSMS Check SMS TXSMS Transmission SMS Name Name of SIM card service provider The value right below the name is the set service centre number Retry SMS transmission attempts indication SMS Maximum number of SMS s the SIM card can store Dial Type of initialisation string used by Modem 7 2 2 18 Telephone This menu displays the first six of ten preset telephone numbers to which an SMS message is to be sent in the event of an alarm Telephone ALmLt 1 Num1 439333666 Gset TrDsp IsoFr Info Modem User Manual Rev 3 1 31 08 10 33 76 PTK LCD R Y Ra 8 System Status Enquiries 8 1 Local enquires Locally PTX LCD provides status indications through the front panel lights whereas more detailed information is availabl
29. SM Antenna Trimmer for automatic gain control based on reflected power Trimmer for automatic gain control based on reflected power DB15 connector for interface to remote devices N connector for RF output Mains power plug Reserved for future implementations Sync signal input BNC connector for external devices Connectors for external 24V power supply option Positive red Connectors for external 24V power supply option Negative black Protection fuse of RF final stage Interlock BNC connector when central conductor is connected to ground the transmitter is placed into forced standby mode Forced cooling fan Test output at 30 dB with respect to output level Rev 3 3 31 08 10 User Manual PTK LCD 6 6 Connectors description 6 6 1 Remote Type Female DB15 1 58 WO Ext Rem Interlock input disables tx if connected to ground Ext Pwr Analogue input Max 2 c for reflected power from external amplifier GND Analogue Input 5 or IC bus SDA Analogue Input 3 Analogue Input 1 RLY 2 Out Digital output Normally open relay contact it is closed to ground according to a preset on off time when exciter state changes from ON to OFF If the ExPwr menu is disabled see 11 7 the states of this contact have the following meanings closed Power Good open alarm GND GND Ext Fwd Pwr Analogue input Max 2V for forward power from external amplifier Analogue Input 6 or bus SCL Anal
30. al input is automatically selected when present but analogue input selection can be forced with the appropriate software settings The MPX stereophonic signal Main Sub and 19 kHz subcarrier is generated directly in digital form starting with the Left and Right digital or digitalised channels The RDS is generated directly by DSP and then digitally added to the stereophonic audio signal The messages transmitted by the RDS coder are programmed using a PC software supplied with the machine It also possible to disable the internal RDS coder and use an external coder The TRDSP option includes two electronic cards and a support panel with the input and output connectors This subassembly is installed into PTX LCD in place of the audio input and stereo coder sections or Mono MPX It can be easily retrofitted to standard PTX LCD exciters The key advantage offered by the TRDSP option is enhanced performance in terms of Amplitude frequency response 40 01 dB 30 Hz 15 kHz Stereophonic separation 65 dB 30 Hz 15 kHz Distortion 0 0396 In addition the digitally processed signal enables frequency deviation limitation while avoiding the distortion issues typically experienced with analogue clippers At TRDSP output the total signal MPX RDS is converted into analogue form D A and passed on to the standard VCO PLL section of PTX LCD 70 76 Rev 3 3 31 08 10 User Manual PTX LCD
31. are waveform at 3 18 kHz and sinusoidal waveform at 15 kHz with 75 kHz FM 1154125 V 50 60 Hz 230 250 V 50 60 Hz approx 120 VA approx 200 VA approx 300 VA Female KLR type balanced or unbalanced BNC type unbalanced 10 KOhm or 600 Ohm software selectable 13 dBm 14 dBm adjustable in 1 dB steps via software fine tuning with continuity by trimmer 47176 PTX LCD Preemphasis selectable 0 25 us 50 us CCIR 75 us FCC SCA RDS inputs 3 unbalanced BNC connectors SCA input impedance 10 KOhm 48 76 SCA input level SCA amplitude frequency response 20 dBm 10 dBm adjustable by trimmer 0 2 dB from 40 KHz to 100 KHz 67KHz subcarrier crosstalk on main or stereo channels 65 dB 92KHz subcarrier crosstalk on main or stereo channels Outputs MPX Monitor 19 KHz pilot tone RF Test MONO operation FM S N Amplitude frequency response Total Harmonic Distortion THD Intermodulation distortion MPX operation Composite FM S N MPX amplitude frequency response total harmonic distortion Intermodulation distortion Stereo separation Stereo Operation Stereo FM S N Audio amplitude frequency response Total harmonic distortion Intermodulation distortion Stereo separation Rev 3 3 31 08 10 70 dB 0 dBm for 75KHz FM minimum load 600 Ohm 1 Vpp minimum load 4 7 KOhm 30 dB referred to RF output impedance 500hm gt 824 typically 90 dB referred to 75KHz measured
32. cuits Power on the devices Connect PC and Radio Modem Box using the front panel RS232 DB9 connector Programme the internal EEPROM of PTX LCD Before setting the various remote alarm reporting parameters on the PTX LCD ensure it has been placed into LOCAL mode or you will be getting alarm indications during the whole setting procedure see PTX LCD Manual Volume 1 Section Alarm Config If the Radio Modem Box is connected to a PTX LCD alarm time factory settings are as follows MAINS 10sec FWD 15 sec RFL 15 sec If the Radio Modem Box is connected to a PTX LCD with external amplifier alarm time factory settings are as follows MAINS 10sec Ext FWD 15 sec Ext RFL 15 sec Rev 3 1 31 08 10 37 76 PTX LCD RVR Mains alarm time must always be lower than FWD and RFL time When finished place PTX LCD back into REMOTE mode 14 Disconnect the PC connection cable and connect the supplied DB9 DB9 cable 15 Connectthe GSM modem antenna to connector N of the Radio Modem Box Use a broadband Yagi log periodic directional antenna 700 900 MHz 16 Select modem as GSM in PTX LCD settings and set Baud Rate to 9600 Follow the instructions provided below closely to ensure correct configuration of TLC 5 connection 1 Radio Modem Box 2 SIM card into the GSM modem see Fig 5 2 3 Setdipswitches as required see tab 5 1 4 Close the Radio Modem Box 5 Connect
33. d in the intended countries of use The user must obtain a license before using the product in intended country of use Ensure respective country licensing requirements are complied with Limitations of use can apply in respect of operating freuency transmitter power and or channel spacing Declaration of Conformity Hereby R V R Elettronica SpA declares that this FM transmitter is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 RAW Ra PTK LCD Table of Contents 1 Preliminary Instructions 1 2 Warranty 1 3 First Aid 1 3 1 Treatment of electrical shocks 1 3 2 Treatment of electrical Burns 2 4 General Description 3 5 Quick Guide Installation and Use 4 5 1 Using the encoder 4 5 2 Preparation 5 5 3 Operation 6 5 4 Calibration 7 6 External Description 10 6 1 Front Panel 10 6 2 Rear Panel 11 6 3 Rear Panel AUDINP DIG option 12 6 4 Rear Panel TRDSP option 13 6 5 Rear Panel GSM option 14 6 6 Connectors description 15 7 Operating System 18 7 1 Start up 18 7 2 Operating System 18 8 System Status Enquiries 34 8 1 Local enquires 34 8 2 Remote enquiries using remote control software Opt 34 8 3 Remote enquires using GSM modem SMS 34 9 Remote Alarm Reporting and Control Opt 36 9 1 Preparation 36 9 2 Remote Alarm Reporting Configuration 39 9 3 Remote Control 44 9 4 Internal Modem Option GSM 45 10 Technical Specifications 47 10 1 Mechanical Specif
34. e connectors or through flat cables terminated by connectors This design facilitates maintenance and module replacement The PTX LCD supports remote alarm monitoring by sending SMS alarm messages and receiving SMS commands through an external or integrated GSM modem option GSM Alarms can be activated for the following parameters e PTX LCD output power FWD e PTX LCD reflected power RFL External forward power of an amplifier or coupler with protection card E FWD External reflected power of an amplifier or coupler with protection card E RFL Audio signal missing MAINS failure available when the PTX LCD is connected to an UPS unit e upto 8 customised alarms can be programmed when the optional telemetry card is installed The management software offers an intuitive user interface and runs on any PC in the WINDOWS environment User Manual Hev 3 1 31 08 10 3 76 PTX LCD RVR 5 Quick Guide Installation and Use This chapter gives a concise view of the points that are necessary for the installation of the device If any item is not completely clear for example when you use the exciter for the first time we strongly suggest to read throughly the manual and the description of the operating system 5 1 Using the encoder The interaction between the user and the 5 control software is performed using the encoder fig 5 1 Turn the encoder counterclockwise Turn the encoder clockwise to m
35. e in the setup and configuration menu 8 2 Remote enquiries using remote control software Opt Using a PC with the TELECON telemetry and remote control software installed the user can get an accurate picture of all system operating parameters and all device settings including connected equipments 8 3 Remote enquires using GSM modem SMS Thanks to this system equipments can be enqueried using acommon GSM phone possible equipment responses are listed in the tables included in the following paragraphs Before enquiring the system using SMS messages establish a connection using the TELECON programme and set the provider service centre number and the telephone numbers authorized to send these commands to the equipments 8 3 1 List of supported commands that can be sent via SMS These commands cam be sent to the PTX LCD STANDARD INFO Information sent on the system operating state TXON OnAir PTX LCD Switch On TXOFF OnAir PTX LCD Switch Off ALARM Information sent on the alarms present into PTX LCD list RESET Reset of all stored alarms RESMOD Reset of GSM modem and all SMS present into SIM TRDSP AND ISOFREQUENCY OPT DELAY xxxxx TRDSP card delay setting xxxxx is equivalent to the forward regulation STEP xx or in reduction xx are the regulation steps between 0 and 20 equivalent to 0 05 ps each Phase setting normalized inverted 34 76 Rev 3 3 31
36. eading is expressed in Watts whereas setting is a percentage of maximum power If the encoder is pressed when the cursor is on this option measurement unit label changes from W to and the desired percentage can be set by turning the encoder Press the encoder to store the new setting Reflected power reading in watts Output power setting in percent Operating frequency Press the encoder when this parameter is highlighted and then turn the encoder to change frequency value When the encoder is pressed to store the new frequency setting the software will prompt for a confirmation Are you sure Highlight Yes and press the encoder to confirm the new frequency setting or select No to abandon change Value near the MHz indication identifies the current frequency selection set from menu ExFrq in the event the frequency switching feature is on switching occurs based on the voltage present at connector DB15 Gain set at audio inputs Rev 3 3 31 08 10 User Manual ELETTRONICA PTX LCD 7 2 2 2 RF Amplifier This is an information screen it shows amplifier voltage current and temperature values which cannot be modified IN V PA V PA I TEMP VVCO RF Amplifier Main MPU 50u P1 On Power supply input voltage Voltage applied to final stage of amplifier Current applied to final stage of amplifier amplifier module temperature Voltage applied to VCO section 7 2
37. efore number Example with Italian service providers TIM 393359609600 VODAFONE 393492000200 WIND 393205858500 EEprom Organization Settings loaded EEprom 1 Station ID 0 2 Station Name NEW PTX LCD 3 Dial String ATDT 4 Number of Retry 1 5 Service Center Number 393359609600 Eo AEA Read EEprom Write EEprom Load Settings Save Settings Exit Rev 3 1 31 08 10 41 76 PTK LCD Now select the Telephone data category and set the following EEprom Organization Settings loaded Database No No No No No No No No No 2 3 4 5 6 7 8 3 0 1 Read EEprom Write EEprom GSM Normal Normal Normal Normal Normal Normal Normal Normal Normal Ee Load Settings Save Settings PHONE NUMBER GSM phone numbers recognised by the station to which you want the alarms sent SMS select YES to enable transmission of SMS commands to system ACS select YES to enable SMS reception select GSM Note For correct transmission place country code XX before set numbers Eight customised programmable alarms can be set if the optional telemetry card is installed 42 76 Rev 3 3 31 08 10 User Manual EEprom Organization Settings loaded Database 7 Alarm 7 8 Alarm 8 3 None 10 None d Read EEprom Write EEprom Load Settings Save Settings Exit 0 gt 1 Transition 0 1 Transition
38. eft side of the PTX LCD and is plugged into the audio mainboard The digital PLL module consists of a high stability oscillator with temperature control and a digital circuit that divides and compares operating frequency The oscillator generates a 10 Mhz frequency that is divided to give a fixed 1 kHz signal This signal is sent to the digital comparator divider circuit that compares it to the VCO output signal which has been divided according to exciter operating frequency The comparator AFC output signal is sent to to the varicap diodes mounted on the VCO card and added to the audio signal provided by the Coder card The Voltage Controlled Oscillator VCO generates the signal on exciter operating frequency this signal is amplified up to about 300mW 25dBm which is the necessary level to pilot the R F Power Amplifier block Note The VCO card is housed in a silver plated brass box secured to the PLL amp Driver card Rev 3 3 31 08 10 User Manual JP5 RV1 ana tL og e JP3 13 5 1 Adjustments settings and indicators D2 on PLL not locked RV1 bias adjustment JP2 factory setting do not alter JP3 factory setting do not alter JP5 factory setting do not alter 13 6 Power amplifier The power amplifier is available in a 30W and a 60 100W version Final power stage is secured to a heat sink fin in the centre of the device and housed in a fully shielded metal enclosure secured to the central section
39. enu ITU AGC On Off OdB OdB OdB OdB 50u CLOff Pl On ITU Enables automatic reduction of signal modulation energy according to standard I T U 412 This feature is always given priority over the A G C feature AGC Mean operation time for Automatic Gain Control Available options are OFF SLOW MIDDLE and FAST mode MPX min Minimum audio level operation threshold in the MPX mode A G C kicks in when threshold is exceeded range is 0 to 4 dB 74 76 Rev 3 3 31 08 10 User Manual ELETTRONICA MPX max PTX LCD Maximum audio level operation threshold in the MPX mode A G C kicks in when threshold is exceeded range is 0 to 4 dB L R min Minimum audio level operation threshold in the Mono Stereo mode A G C kicks in when threshold is exceeded range is 0 to 12 dB L R max Maximum audio level operation threshold in the Mono Stereo mode A G C kicks in when threshold is exceeded range is 0 to 12 dB 13 12 1 5 Isofreq Setup menu for PTX LCD isofrequency mode operating parameters TrDsp IsoFreq t act Omin t rec Omin t act Omin t rec Os out 0 S Present MPU 50u CLOff 1 TrDsp t act Hysteresis setting for automatic power reduction activation adjustable from 0 to 120minutes After the set time has elapsed power is reduced by the specified percent The timer starts counting the sync loss reported by the TRDSP card this feature activates when sync loss dura
40. eq Operating frequency Press the encoder when this parameter is highlighted and then turn the encoder to change frequency value When the encoder is pressed to store the new frequency setting the software will prompt for a confirmation Are you sure Highlight yes and press the encoder to confirm the new frequency setting or select No to abandon change Value OM near the MHz indication identifies the current frequency selection set from menu in the event the frequency switching feature is on switching occurs based on the voltages present at connector DB15 Att Gain set at audio inputs Rev 3 3 31 08 10 User Manual ELETTRONICA 13 12 1 2 Stereo Set PTX LCD Configuration menu for stereo coder card where relevant option is installed Pilot Chan ph P Level 13 12 1 3 TrDsp Stereo Set ExFrq Pilot On Chan ph 0 P Level 7 3dB Add remove pilot tone convenient for some types of measurements Right channel phase may be 0 or 180 signal reversal convenient when measuring Sub to Main Pilot tone phase adjustment from 32 8dB to 7 3 dB only available if PTX LCD has the optional TRDSP card installed Optional TrDsp card setup menu Delay User Manual TrDsp Board Delay 0 0 TotDly 0 000us Audio Auto DigLvl 10dBfs SCA Off RDS Off IMPU 50u CLOff Pl On Signal time delay setting when used for isofrequency applications wit
41. ev 3 1 31 08 10 PTX LCD NNAW QSHVCONVIS 140 WIL ANNAN 015 19 76 PTX LCD Board Set BdSet Stereo Set StSet Alarm Config AlmSt Alarm List AlmLt General Set GSet Information Info Modem Config Modem Telephone N Tel N TrDsp Board TrDsp ITU AGC I T U TrDsp Isofreq Isofreq FSK FSK 20 76 Rev 3 3 31 08 10 RaW Ra ELETTRONICA Board Set ExSts Mod anl MPX U ExFrq Preemph 50us Telem Clipper off SCA Imped 10 Kohm AuSet Scale 1 1 IAMLC II MPU 50u CLOff 1 1 Stereo Set _ ExFrq Alarm List Alarm 1 Date Time Type MPU 50u CLOff Pl On j Information StSet Rel 03051300 AlmSt Date 06 12 2004 AlmLt Table default Gset N ID 001 TrDsp Station Name IsoFr RVR Info MPU 50u CLOff 1 1 Modem Config ALmSt AlmLt Gset TrDsp Retry 0 SMS 0 IsoFr Dial ATDT Info Mode MPU 50u CLOff 1 4 Telephone N Num1 39333666 0 0 TotDly 0 000us Audio Auto DigLvl 10dBfs SCA Off RDS Off 50u 1 y TrDsp IsoFreq TrDsp t act TrDsp t rec Omin Fault t act Omin Fault t rec 05 8 pwr out 0 1 p p s Present MPU 50u CLOff Pl On FSK Enable Off Shift 5kHz Time rep 60min Code A000AA PU 50u CLOff 1
42. exx04xxxx are required after an update If present a digital input will be automatically selected by the supplied logic Analogue instead of digital input selection can be forced using an external command A manual switch is available to choose between the balanced AES EBU and unbalaced TOSLINK and S PDIF digital input Two trimmers adjust converted digital input level to normalize R and L signals with respect to analogue input regulated level The D A conversion is performed automatically by 24 bit converters using a sampling frequency from 32 to 96 KHz This option supports data formats S PDIF AES EBU IEC958 and EIAJ CP340 1201 Functions description The optional section is located in the PTX LCD rear panel and is connected directly to the audio mainboard via a strip line connector It includes three different cards The system provides for twelve cyclic system queries that enable quick fault location If queries are not successful a FAULT signal is sent to the CPU card that will take the necessary action to prevent additional faults User Manual Rev 3 1 31 08 10 67 76 PTX LCD n R The first card contains the balanced analogue inputs and the level trimmers for all analogue inputs and their filters this is the same card used in PTX LCD without AUDINP DIG The second card accommodates level adjustments and the software based audio configuration switches The third section helps convert the digital signal to
43. ff and level adjustment Audio Set Mono L OdBu MPX R OdBu Mono L MPX R MPU 50u CLOff Pl On MONO L Setting of audio input level on MONO channel left channel if stereo version Itis adjusted in 1 dBu steps ina 13to 14 dBu range If parameter is set to X dBmu the system generates a 75 kHz deviation for an X dBu input MPX R Setting of audio input level on MPX channel right channel if stereo version Itis adjusted in 1 dBu steps in a 13 to 14 dBu range Set level has the same meaning as for the first channel MONO L Software switch to set MONO channel On Off left channel if stereo version MPX R Software switch to set MPX channel On Off right channel if stereo version When the exciter is placed in STEREO mode from the BdSet menu for stereo version the same level adjustment is forced on both channels 7 2 2 9 AMLC Intelligent Automatic Modulation Level Control NOTE If the machine is not equipped with the optional TRDSP card this menu is not displayed MPU 50u CLOff Pl On 26 76 Hev 3 3 31 08 10 User Manual n v R PTX LCD The IAMLC feature of the PTX LCD controls modulation level by adjusting input level without the use of limiters or compressors When mean modulation remains over the set maximum threshold for a period of time greater than set maximum hysteresis time input level is attenuated by 1 dB Likewise when mean modulation remains under the set minimum threshold f
44. h poor step adjustment The setting range for the first parameter is from 0 to 1900 steps of 5 25 5 each The second parameter range is from 0 to 127 steps of 0 05 us The maximum time delay that can be set is 5 47 milliseconds The actual time delay set is shown under item Totdly it is expressed in microseconds up to a maximum value of 9981 35 vs If PTX LCD is interfaced with a GSM modem parameter DELAY can be set via SMS Rev 3 1 31 08 10 73 76 Two SMS commands are available DELAY and STEP DELAY is used to set delay in microseconds For example message DELAY 624 would set delay to 624 us with some minor approximation STEP is used to make corrections in steps of 0 05 us each or For example message STEP 10 adds 0 5 us to the time delay set previously giving 624 5 us The PTX LCD sends back an SMS message that contains total time delay set for example Total Delay Set 624 5 us TELECON adds two items to the General window Delay 1 and Delay 2 They can be adjusted in steps meaning is as outlined above Audio Input channel mode selection possible options are digital analogue or automatic mode DigLvl Digital audio input level setting It can be adjusted in 1 dBm steps from 0 to 10 dBfs SCA Software switch to enable or disable the SCA inputs of the RDS coder RDS Software switch to enable or disable the RDS coder 13 12 1 4 ITU I T U and A G C Automatic Gain Control feature setup m
45. he coder card is mounted above the mainboard between the audio input card and the PLL amp Driver card This card comes in two versions namely Stereo The only difference between a Stereo PTX LCD and a Mono MPX PTX LCD lies in the coder module Depending on the version this card accommodates the low pass filters the preemphasis circuits the stereo coder and the Clipper circuit which may be enabled or disabled via software The Clipper circuit is mandatory in some countries its purpose is to limit modulation level when audio inputs exceed nominal level 3 gt 2 A D3 User Manual Rev 3 1 31 08 10 59 76 13 4 1 13 5 60 76 Adjustments settings and indicators Stereo Coder C2 pilot tone phase C4 pilot tone frequency 11 stereo coder card output level R15 __ pilot tone level R16 stereo separation optimisation left channel R17 stereo separation optimisation right channel R33 clipper circuit operation level R39 clipper circuit operation symmetry adjustment R40 optimisation of 38 kHz subcarrier suppression Mono MPX card LP1 low pass filter 1 LP2 low pass filter 2 RV1 monolevel RV2 coder card output level deviation RV3 clipper circuit operation level D1 power supply positive voltage presence D2 power supply negative voltage presence D3 clipper operating indication PLL Driver card amp VCO Card The PLL Driver card is located on the l
46. hen settings are not correct as may be the case on first power on or need to be changed for some reason before beginning transmission the transmitter may be placed in standby mode as mentioned above This is only necessary when you wish to change machine settings before beginning transmission The PTX LCD menu system see Section 7 enbles the user to control all operating parameters of the machine Before enabling exciter power output check the following key parameters and adjust as required frequency power e audio input level audio input impedance preemphasis e audio input type depending on version MONO or MPX or MONO MPX U MPX B STEREO ifin STEREO mode ensure that pilot tone is active If RF power output was disabled you may now enable it from the MAIN menu as follows select the first item and change setting from OFF to ON The RF power output of the PTX LCD may be disabled from the main menu at any time During machine operation all available parameters can be viewed or edited using the menu system 5 4 Calibration The PTX LCD trimmers can be accessed from the rear panel and can be adjusted by the user There are two EXT AGC FWD and RFL trimmers and the LEVELADJ trimmers Fig 6 2 16 The LEVEL ADJ trimmers are used to control modulation levels to the matching inputs Audio input levels are adjusted via software in 1 dB steps and the trimmers are used for fine tuning For SCA input le
47. ications 47 10 2 Electric Specifications 47 11 Factory Settings 51 12 Module Identification and Access 53 12 1 Module identification 53 12 2 to access modules 54 User Manual Rev 3 3 31 08 10 PTX LCD 13 13 1 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 9 13 10 13 11 13 12 Operating principles Power Supply Audio mainboard Audio Inputs Coder PLL Driver card amp VCO Card Power amplifier Panel Card CPU card 16 bit Telemetry card SLTELEMO00001 optional Telemetry card SLTELEMO00002 optional AUDINP DIG Card option TRDSP card optional Rev 3 3 31 08 10 User Manual User Manual RW Ra ELETTRONICA 1 Preliminary Instructions This manual is written as a general guide for those having previous knowledge and experience with this kind of equipment well conscious of the risks connected with the operation of electrical equipment It is not intended to contain a complete statement of all safety rules which should be observed by personnel in using this or other electronic equipment The installation use and maintenance of this piece of equipment involve risks both for the personnel performing them and for the device itself that shall be used only by trained personnel R V R Elettronica SpA doesn t assume responsibility for injury or damage resulting from improper procedures or practices by untrained unqualified personnel in the handling of this unit Please ob
48. in 20 Hz band 20 KHz with 50 us deemphasis RMS detector 0 5 dB 20Hz 15KHz lt 0 02 lt 0 02 measured with 1 kHz and 1 3 KHz tones 1 1 75 KHz FM modulation gt 828B typically 90 dB referred to 75KHz measured in 20 Hz band 100 KHz with 50 us deemphasis RMS detector 0 05 dB 20 Hz 53 KHz 0 2 dB 53 KHz 100 KHz lt 0 02 lt 0 02 measured with 1 KHz and 1 3 KHz tones 1 1 75 KHz FM modulation gt 50 dB typically 60dB gt 824 typically 90 dB referred to 75KHz measured in 20 Hz band 100 KHz with 50 us deemphasis RMS detector 0 5 dB 20Hz 15KHz lt 0 03 lt 0 03 measured with 1 kHz and 1 3 KHz tones 1 1 75 KHz FM modulation gt 50 dB typically 60dB User Manual ELETTRONICA Remote connections Remote connector Interlock connector 2 interface Serial interface Telemetry card Option Options 03 708 AUDIOINP DIG 7TRDSP GSM AUDIOINP DIG D A converter Sampling frequency Data format Digital inputs Emergency switch TRDSP ANALOGUE AUDIO INPUT Conversion Connector Impedance Input level Maximum input level DIGITALAUDIO INPUT Connector Data format Sampling frequencies DIGITALAUDIO OUTPUT Connector Data format Sampling frequencies User Manual PTX LCD Female DB15 type provides FWD and RFL inputs for external AGC 6 analogue or digital inputs 2 relay digital outputs BNC for power disable Female DB9 RS232 DTE o
49. ion to PC 46 76 Rev 3 3 31 08 10 User Manual ELETTRONICA PTX LCD 10 Technical Specifications 10 1 Mechanical Specifications Panel size 483 mm 19 x 88 mm 3 1 2 2 HE Depth 344 mm 26 1 2 Weight 13 Kg 60 15 5 100 15 5 Kg Operating temperature 10 C 50 C 10 2 Electric Specifications General RF output power PTX30LCD 0 30 W adjustment with continuity PTX60LCD 0 60 W adjustment with continuity PTX100LCD 0 100 W adjustment with continuity RF output connector RF output impedance Frequency band Frequency programming Frequency stability Type of modulation Spurious and harmonic suppression Modulation capacity Residual asynchronous AM modulation Residual synchronous AM modulation Transient intermodulation distortion Power supply Absorption PTX30LCD PTX60LCD PTX100LCD Inputs Left Mono Right MPX inputs MPX input Input impedance Input level User Manual Rev 3 1 31 08 10 type 50 Ohm 87 5 2 108 MHz direct via software 1ppm from 10 C to 50 C direct carrier modulation meets or exceeds FCC and CCIR standards typically 85 dB meets or exceeds FCC and CCIR standards typically 240 2 for MPX or Mono 210 KHz for Stereo 70 dB or less with respect to 10096 AM without deemphasis 60 dB or less with respect to 100 AM 75KHz FM modulation at 400Hz without deemphasis 0 196 typically 0 0596 measured with squ
50. ling fan Test output at 40 dB with respect to output level Trimmers for Left and Right input level adjustment Unbalanced MPX input BNC connector with level trimmer BNC connector for SCA1 input with level trimmer BNC connector for SCA2 DARC input with level trimmer SCA3 RDS BNC connector for SCA3 RDS input with level trimmer Power supply fuse and voltage selection block DB25 connector of telemetry card option DB9 connector for direct serial communication or modem DB15 connector for interface to remote devices Trimmer for automatic gain control based on external signals N connector for RF output XLR connector for left mono audio channel input XLR connector for right MPX audio channel input BNC connector for VCO section input signal monitoring Pilot tone output BNC connector may be used to synchronise external devices such as RDS coder Rev 3 1 31 08 10 11 76 PTX LCD 6 3 Rear Panel AUDINP DIG option 12 13 14 15 2 3 I OR A Analogue section 1 2 3 4 15 16 7 8 9 Left Mono Right MPK BAL Monitor 19 kHz pilot SCA3 RDS SCA2 SCA1 MPX Unbal Level INP ADJ Digital section 10 Dig Analog switch 11 SPDIF 12 TOSLINK 13 Digital Imp Select 14 Level OUTADJ 15 AES EBU 12 76 XLR connector for Left mono input XLR connector for Right MPX input BNC connector for composite signal monitoring BNC connector for
51. m D4 on voltage present D5 on voltage present D6 on voltage present JP8 factory setting do not alter 13 3 Audio Inputs The audio input section is located at the rear end of the machine and is connected directly to the audio mainboard through comb connectors It is made up of two cards assembled at right angles to give an L shaped pattern and secured to the rear panel section that accommodates the audio connectors The first card holds the level trimmers and the input filters The second card includes level adjustments and audio configuration software control switches User Manual Rev 3 1 31 08 10 57 76 PTX LCD R R After the necessary elaboration filtering level adjustment selection the audio input section passes the signals on to the audio mainboard that routes them to the coder card 13 3 1 Adjustments settings and indicators D2 on power supply negative voltage present D1 on power supply positive voltage present 3 5 4 6 9 11 10 12 no attenuation on input L 1 3 2 4 7 9 8 10 12 dB attenuation on input L JP2 same as JP3 affects input R JP8 1 2 no gain on SCA2 2 3 20 dB gain JP11 1 2 MPX_U input impedance 50 Ohm 2 3 10 kOhm JP10 1 2 no gain on 5 2 3 30 dB gain JP9 1 2 no gain on SCA1 2 3 20 dB gain JP12 3 5 4 6 no attenuation on input 1 3 2 4 12 dB attenuation on input MPX monitor output level adjustment 58 76 Rev 3 3 31 08 10 User Manual 13 4 Coder T
52. me TYPE Display of stored alarm type CS Note On start up the PTX LCD inhibits alarm reporting for a preset time selected at parameter StartUp Time default setting is 60 seconds after this delay times out an INFO SMS on the PTX LCD operation state is transmitted The StartUp Time delay also applies to MAINS alarm on start up the PTX LCD will wait for the set time before sending an INFO SMS 7 2 2 14 General Set General Setup Menu General Set Uart 1 Baud 19200 Modem Absent Mode Local Date 16 12 2003 Time 17 39 29 MPU 50u CLOff Pl On Uart Adr IIC address of the PTX LCD selectable from 1 to 200 Unless the exciter is part of a transmission system for example N 1 this address must be to 1 Baud Rate Baudrate setting for the PTX LCD serial port data transfer User Manual Rev 3 1 31 08 10 31 76 PTX LCD RaW MODEM Configures machine to use a modem Present for direct cable connection Absent GSM and Pager MODE Local The machine will not accept changes to parameters from external devices Remote Enables remote setting of machine parameters 7 2 2 15 Information This menu provides general information on the exciter J Information StSet Rel 03051300 AlmSt Date 06 12 2004 AlmLt 1 Table default Gset 1 N ID 001 TrDsp Station Name IsoFr RVR Info 50u CLOff 1 1 Rel Exciter software release information Date Software
53. meters Pressing the encoder while this screen is displayed disables exciter power output This way the user may make any necessary changes to operating parameters before beginning transmission If no controls are operated during 5 seconds or if the encoder is pressed the exciter goes to the main screen MAIN 7 2 Operating System The PTX LCD menu system consists of a default menu and set of administration menus The figure below provides an overview of the menu system 18 76 Rev 3 3 31 08 10 User Manual RF Status Main RF Amplifier Ampli Power Supply Suppl External Power ExPwr External Status Exsts External Frequency ExFrq SCA RDS SCA Telemetry Telem TLC TLS TC TS Audio Set Auset IAMLC IAMLC User Manual j RF Status RE Off 10s FPwr 0 0W 0 0 04 87 500Mhz OM MPU 50u CLOff 1 RF Amplifier IN V 40 1 2 8 0 0 22 4 vvco 4 3V MPU 50u CLOff 1 Power Supply 415A 15 1V 15P 14 5 5 12 11 Lamp 13 5 1 External Power Pwr Off FPwr 0 RPwr 0 5 87 500MHz 000MHz 000MHz 000MHz 000MHz 000MHz Power 30W PGl 08 PG2 0 STATUS LOCAL i Mono L OdBu MPX R OdBu Mono L On MPX R On IMPU 50u CLOff Pl On R
54. n in the figure User Manual Rev 3 1 31 08 10 39 76 F Connection PTX30LCD History Help Measures RDS Modulazione Varicap Voltage Negative Voltage LCD Inverter Internal 15V CPU Voltage 5V Pa Voltage PA Current Dirver Voltage Driver Current Temperature External Interlock Power Out Measure General Comunication Selection RX venerdi 4 giu 2004 10 55 19 1 1 e e o Double click the green label in the top left corner of the TELECON screen and select as shown in the figure below Ey Connection PTX30LCD T ral sla Alarm Detail Print Phone Info History Type Measures General Comunication T Selection venerdi 4 giu 2004 10 56 58 3 e e Aan CA 25 Fedeico Thei Postain en SiNuove schemate Connection PTX30L 1057 40 76 Rev 3 3 31 08 10 User Manual PTK LCD In the open menu press this key to view station parameters Select the General data category and set the 5 parameters User Manual STATION ID station identifier STATION NAME max 18 characters DIAL STRING required setting fora GSM modem is NUMBER OF RETRY number of alarm transmission repetitions SERVICE CENTER NUMBER number of GSM provider service centre for SMS transmission and reception place country code b
55. ngerous voltages or currents inside Be careful when opening the device Always disconnect power supply before removing the covers or any device component Remove all screws on the top cover of the machine Remove the cover and refer to the block diagram to identify and locate all exciter components To remove the stereo or mono coder and PLL cards simply undo the hexagon nuts that secure the cards over the stud bolts Both cards have strip connectors at the bottom and these connectors are coupled to the audio mainboard To remove the audio input card which is secured to the audio connector card and to the right side of the exciter rear panel undo the four nuts that retain the card to the audio mainboard stud bolts and then remove the five screws on the rear panel and the three bottom screws that retain the connector support The RF power amplifier is secured to its cooling fin and is held in position by three screws located on exciter bottom The screws hold the fin in place remove these screws to release the amplifier Power supply and switching power supply use the same fastening system and can be released by removing the screws that secure the fins to machine bottom Note however that the interlock connector soldered to the power supply is retained to the rear panel by a nut and you will need to undo this nut before you can remove the power supply The panel card and the CPU card are held in
56. nput 6 25 telemetry analogue input 8 16 76 Rev 3 3 31 08 10 User Manual ELETTRONICA 6 6 5 Telemetry SLTELEMOO002 Opt Type Female DB25 N C Audio Auto Meldung GND Audio Auto Kommando Audio Digital Meldung N C GND ON Kommando Power Good 1 Meldung 10 Warten Meldung 11 Audio Digital Kommando 12 Off Meldung 13 RF Enable Kommando 14 SWR Meldung 15 Reserved 16 Audio Analogue Kommando 17 Fault Meldung 18 Audio Alarm Meldung 19 Reserved 20 Ofi Kommando 21 GND 22 Power Good 2 Meldung 23 Local Meldung 24 4Vout 25 On Meldung User Manual Rev 3 1 31 08 10 PTX LCD 17 76 PTX LCD RR 7 Operating System The exciter is controlled by a microprocessor system Software operations may be grouped into two broad categories start up and normal operation 7 1 Start up Upon switch on a window that holds machine information appears on the display Label CCIR identifies the set of default values the machine will revert to in the event the software is reinitialised There are different sets of default values see section 11 for a detailed description RVR ELETTRONICA PTX30 LCD TRDSP CCIR STEREO 03050600 30 04 2004 After 10 seconds a new window appears with an intermittent beep signal ATTENTION The setting parameters are Frequency 98 000 Mhz Power 8 Push encoder button if you don t accept these para
57. ogue Input 4 Analogue Input 2 GND RLY 1 Out Digital output Normally open relay contact it is closed to ground according to a preset on off time when exciter state changes from OFF to ON If the ExPwr menu is disabled see 11 7 this contact serves as a AUDIO alarm closed Alarm open OK the function is determined by jumper JP10 on the power supply card When jumper JP10 is ON 1 4 is the FAULT signal input see Sect 13 12 1 5 whereas PIN11 is the MAINS FAULT signal input 6 6 2 RS 232 Type Female DB9 TX_D RX_D NC GND 12V NC CTS NC Note Normally PTX LCD serial communication is configured as DCE Data Communication Equipment User Manual Rev 3 1 31 08 10 15 76 PTX LCD RR 6 6 3 Left MONO Right MPX Bal Type female XLR 1 GND 2 Positive 3 Negative 6 6 4 Telemetry SLTELEMOO001 Opt Type Female DB25 GND 12V NC relay 1 normally closed contact relay 2 common contact clock IIC data open collector output telemetry analogue input 1 10 telemetry analogue input 3 11 telemetry analogue input 5 12 telemetry analogue input 7 13 GND 14 GND 15 relay 1 normally opened contact 16 relay 1 common contact 17 relay 2 normally opened contact 18 relay 2 normally closed contact 19 GND 20 GND 21 GND 22 telemetry analogue input 2 23 telemetry analogue input 4 24 telemetry analogue i
58. om positions 3 5 and 4 6 to 1 3 and 2 4 Provide an auxiliary power supply source for the PTX LCD through a generating set a UPS unit or through the 24V power supply terminals if available on the PTX LCD for the event of mains outage Shown below is a hookup diagram for an R V R station where the PTX LCD is configured to handle MAINS alarm The MAINS alarms is triggered when mains outage duration equals set time Shown below is the operating logic of an alarm Alarm state PRESENT Alarm state Alarm state time limit before the timer exhaustion of the activation time ANY ALARM IS NOT GENERATES and the timer is reload to the starting value Timer time limit of alarm activation with alarm state still persistent ALARM IS GENERATE bar Mil shows the alarm activation time 30 76 Rev 3 3 31 08 10 User Manual ELETTRONICA 7 2 2 13 AlarmList PTX LCD Triggered alarms are stored in a non volatile memory and the six events occurred last can be viewed in the Alarm List menu Alarm List Alarm Date Time Type MPU 50u CLOff Pl On ALARM Display of stored alarm number Select one of the six alarms as follows select number and choose from the list of alarms 1 6 using the encoder Again using the encoder move cursorto RESET and confirm reset operation to clear all stored events DATE Display of alarm record date TIME Display of alarm record ti
59. or period of time greater than set minimum hysteresis time input level is boosted by 1 dB The maximum limits for automatic control attenuation and boost are user selectable Listed below are the menu elements IAMLC Function enable disable Mod Minimum and maximum threshold for IAMLC operation Ist Operation time at minimum threshold and at maximum threshold Att Minimum and maximum operation limit The recommended settings for different type of music programmes are listed in the following table For this function to perform at best it is recommended that you perform some tests with your music programmes in order to identify optimal parameter settings Use the MODPK menu to determine mean modulation Adjust audio input level from the main menu so as to achieve a mean modulation as close to 10096 as possible Setthe IAMLC parameters listed in the table try different settings so as to keep IAMLC operation within reasonable limits Note that operation stops when modulation rises above the minimum threshold and drops below the minimum threshold Using the clipper circuit BdSet menu helps contain peaks exceeding 100 of modulation but introduces a certain amount of distortion Evaluate whether this limiter is necessary based on your music programme requirements User Manual Rev 3 1 31 08 10 27 76 PTX LCD RaW Ra The figure provides an example of the mean modulation level trend when the IAMLC feature is available
60. output tone control may be used to synchronise external devices such as RDS coder SCA3 RDS BNC connector with level trimmer SCA2 DARC BNC connector with level trimmer 5 1 BNC connector with level trimmer Unbalanced MPX BNC connector with input with level trimmer Trimmers for Left and Right input adjustment 3 5mm JACK connector for external Digital Analogue command Unbalanced PIN RCA connector for S PDIF audio input Fibre optic digital audio input connector Switch for balanced or unbalanced digital audio input selection Trimmer for Left and Right level adjustment of converted digital audio signal Balanced XLR connector for AES EBU digital audio input Rev 3 3 31 08 10 User Manual R W R PTX LCD 6 4 Rear Panel TRDSP option 6 8 9 7 A1 5 3 Jr NBAL MON 19KHz PILOT D 40405050 RIGHT LEFT MONO AES EBU Model Serial NEUTRIK 5 1 Input connector BNC type 2 5 1 5 1 level trimmer 3 SCA2 SCA2 DARC input connector BNC type 4 5 2 SCA2 DARC level trimmer 5 SCA3 RDS SCA3 RDS input connector BNC type 6 SCA3 RDS SCA3 RDS level trimmer 7 MPXUNBAL Unbalanced input connector type BNC 8 MPX UNBAL MPX UNBAL level trimmer 9 MONITOR BNC connector for VCO section input signal monitoring 10 MONITOR
61. ove to move the cursor downwards to the cursor upwards to increase the decrease the value of a parameter value of a parameter or to choose or to choose an element from a list an element from a list of of possibilities possibilities Push the button once to enter in the desired menu to enter in modification mode or to confirm a choice Figure 5 1 The operations that can be performed on the encoder are rotation moves the cursor shown on the display if you turn the encoder to the left counterclockwise the cursor moves downwards if you turn it right the cursor moves upwards it also permits to increase or diminish the parameters turning the encoder left diminishes the parameter turning it right increases it or to select an item form a list of options pushing push the button once when the cursor is on the name of a menu to enter in that menu push it when the corsor is on the name of a parameter to enter in modification mod the cursor starts blinking after the modification of a parameter push the button to save the new value After having modified the value of a parameter the cursor goes on blinking for approximately 30 seconds waiting for confirmation from the user If the user doesn t confirm the new value i e the button is not pressed the device emits a sound to indicate that no modification has been saved the cursor stops blinking and remains on the selected parameter 4 76 Rev 3 3 31 08 10 User Manual
62. ove adhered particles of clothing or apply salve or ointment Apply clean dry dressing if necessary Treat victim for shock as required Arrange transportation to a hospital as quickly as possible If arms or legs are affected keep them elevated User Manual 4 General Description The 1 isan FM exciter featuring a 19 RACK mountable form factor It uses an 87 5 to 108 MHz frequency band with 10 kHz steps Other frequency ranges are available on request The PTX LCD output power ranges from 0 W up to 30 60 or 100 W for the PTX30LCD PTX60LCD and PTX100LCD respectively The PTX LCD is available in a version with incorporated stereo coder identified by code S or in a MONO MPX version The MONO MPX model be used for mono or stereo transmission using an external stereo coder User interface consists of a graphic liquid crystal display and a knob encoder This interface lets you view all parameters relating to machine operation and adjust settable parameters e g power level or operating frequency The exciter has been designed to easily integrate into complex transmission systems Tothis end itis capable of accepting data from controlling or interacting with external equipments such as amplifiers switching units relays or other exciters The PTX LCD design is based on a modular concept the different functions are performed by modules that are connected directly through male and femal
63. place by nuts screwed onto the stud bolts Detach the front panel from the box before removing these cards 54 76 Rev 3 3 31 08 10 User Manual PTK LCD R V R ELETTRONICA 13 Operat ing principles The figure below provides an overview of the PTX LCD modules and connections ar ore TR EN seus ee ee 00 2122 SNIVIN 8r f o IMS s AOT 0 021 g1aozxssna 3 l En ROVE div11H9rmiova v90rzoddsa divi a311H9rpiova a91 Nid 02 41818 NNOO c0H2A9IRdO 1S Quvoa 491 zar dr lo lo o lo lo 9 21212 21212 41414 z sz 2 2 2 5 15 5 EGG 90 ds 13NVd LNOHJ Nid 06 4 16 NNOO Z0 06A9LNdO1S 39V4H31NI ZidL Sidi 9141 841 pdl 641 241 tdl 2106 1402 15
64. pply that feeds the different machine cards audio CPU a section that handles analogue inputs from the Remote connector and the automatic power level control system Adjustments settings and indicators While the switching power supply requires no adjustments the power supply card accommodates several indicators and adjustable components 052 power amplifier fuse fault 053 fuse PF1 fault D54 5V present 055 on 15V present 057 on 12V present D58 on supply voltage present at power supply section RV1 temperature sensor setting R17 leveladjustment for external AGC R18 leveladjustment for external AGC R30 measurement adjustment Rev 3 3 31 08 10 User Manual R35 PA maximum current adjustment R39 forward power measurement adjustment R51 reflected power measurement adjustment R98 driver current measurement adjustment JP6 1 3 2 4 the pins on the remote connector are used as analogue inputs 3 5 4 6 the pins on the remote connector are used for IIC communication 13 2 Audio mainboard This board provides an interface between audio section and PPL cards and the remaining exciter cards The audio mainboard is secured to the left bottom section of the machine The other cards are plugged to the connectors mounted on this board This module includes the circuit that mixes MPX signals and SCA RDS subcarriers 13 2 1 Adjustments settings and indicators D2 on audio missing alar
65. r Power good 1 signal Level is expressed in percent of set power level Output PG1 of the telemetry card is on when PTX LCD actual output power exceeds this percentage of set power For example Assuming that power set in the default menu is 70 of machine rated power 70 x 100W ZOW PG1 is set to 80 in the menu under discussion the PG1 output at PIN 9 of the telemetry card will be on when actual output power exceeds 8096 x 70W 56W PG2 Threshold level for Power good 2 signal Level is expressed in percent of set power level Output PG2 at PIN 22 of the telemetry card is on when PTXLCD actual output power exceeds this percentage of set power PG2 operates on the same logic as PG1 Hev 3 3 31 08 10 User Manual 13 11 13 11 1 STATUS Display and setting of the PTX LCD mode of operation Local or Remote When the machine is placed in Local mode all settings included in the software are available for example frequency power or audio levels whereas the telemetry card inputs are inhibited In the Remote mode no changes may be made from machine menus except returning to Local mode and telemetry card inputs are enabled AUDINP DIG Card option The AUDINP DIG option permits to the PTX LCD exciter the integration into systems using digital audio distribution This option is designed to replace the typical audio input section with no need for particular adjustments no changes to exciter firmware Releas
66. r DCE selectable RS485 Option DTE or DCE selectable Female DB25 type 8 analogue digital inputs 2 digital outputs 1 12C serial interface 24V External Battery Telemetry interface Digital audio input interface Digital and analogue audio input interface DSP technology integrated Digital Stereo Coder integrated RDS Coder Integrated GSM Modem 24 bit from 32 to 96 KHz S PDIF AES EBU IEC958 and EIAJ CP340 1201 1 unbalanced input for coaxial cable with PIN RCA connector S PDIF 1 fiber optics TOSLINK 1 XLR balanced female connector AES EBU 3 5mm JACK connected to ground forces audio input selection 24 bit XLR electronically balanced 600 10K adjustable via software Adjustable via software 6 18 30 dBu Balanced XLR optical TOS LINK AES EBU S PDIF EIAJ 340 from 32 to 96 KHz PIN RCA Unbalanced S PDIF 96 kHz Rev 3 1 31 08 10 49 76 PTX LCD MPX OUTPUT D A conversion Pilot Tone Pilot level Pilot phase Subcarrier attenuation 38 KHz MPX output level Stereo separation output noise Preemphasis Preemphasis error 15 kHz low pass filter ripple Low pass filter 19 KHz attenuation Clipper AGC RDS Cenelec 50067 Subcarrier frequencies Synchronisation ELABORATION A D conversion D A conversion DSP elaboration 50 76 ELETTRONICA 24 bit 19 KHz 40 5 Hz Selectable Selectable min 90 dB Selectable 65 dB 30 Hz 15 kHz 90 dBu 50 75 microsec 0 01 dB
67. reset frequencies Admin ExFrq 76 0 78 0 80 0 82 0 83 0 84 0 85 0 86 0 88 0 90 0 MHz Mode of operation Admin gt BdSet gt Mode Stereo if stereo coder is present Mono if stereo coder is not present ITALY Same as CCIR except Parameter Menu Value Minimum frequency 87 6 MHz Maximum frequency 107 9 MHz Frequency step 100 kHz Preset frequencies Admin ExFrq 87 6 90 0 92 0 94 0 96 0 98 0 100 0 102 0 104 0 106 0 MHz Clipper Admin gt BdSet gt Preenph On Mode of Operation Admin gt BdSet gt Mode Stereo if stereo coder is present Mono if stero coder is not present 5 1 Same as except Parameter Menu Value Minimum frequency 100 0 MHz Maximum frequency 108 0 MHz Preset frequencies Admin ExFrq 100 0 100 5 100 1 101 5 102 0 103 0 104 0 105 0 106 0 108 0 MHz Rev 3 3 31 08 10 User Manual ELETTRONICA Ra P TX LCD 12 Module Identification and Access 12 1 Module identification The figure shows a top view of machine inner components Component descriptions are listed below 1 Audio Input card 2 Stereo Coder or mono card 3 RF power amplifier 4 Audio mainboard 5 PLL amp VCO card 6 CPU Section CPU Interface 16Bit CPU card 7 Power supply 8 Transformer 9 Switching power supply 10 Cooling fins 11 Panel card display User Manual Rev 3 1 31 08 10 53 76 PTX LCD RaW R 12 2 How to access modules CS WARNING Da
68. s transmitted FSK The PTX LCD operating parameter setup menu for FSK signalling in which a Morse coded 6 character alphanumeric code is sent at regular intervals using transmission frequency shift FSK Enable Off Shift Frq 5kHz Time rep 60min Code A000AA MPU 50u CLOff P1 On Enable Enables disable the FSK feature Shift Frq Frequency shift with respect to carrier can be adjusted from 5 to 25 KHz Time rep Repetition time for Morse code transmission can be adjusted from 0 to 240 minutes Code Morse Code sended composed from a character three figures and two characters Rev 3 3 31 08 10 User Manual
69. se may be 0 or 180 signal reversal convenient when measuring Sub to Main Alarm Config Telemetry and remote alarm reporting management menu Before accessing edit mode for the different parameters ensure that the machine has been placed into LOCAL mode from the General Set menu or you will keep getting alarm messages during the whole setting procedure When finished place machine back into REMOTE mode to activate remote alarm reporting MPU 50u CLOff Pl On FWD Setting of the PTX LCD forward power alarm Alarm is triggered when output power drops below the set percent threshold for the set time expressed in seconds RFL Setting of the PTX LCD reflected power alarm Alarm is triggered when output power rises above the set percent threshold for the set time expressed in seconds E FWD Setting of external exciter forward power alarm Alarm is triggered when output power drops below the set percent threshold for the set time expressed in seconds User Manual Rev 3 1 31 08 10 29 76 ELETTRONICA Setting of external exciter reflected power alarm Alarm is triggered when output power rises above the set percent threshold for the set Alarm setting for audio input signal to the PTX LCD Alarm is PTX LCD E RFL time expressed in seconds AUDIO triggered for the set time MAINS To handle MAINS alarm attach jumper no 10 to JP8 on the PTX LCD panel board and move the jumpers at JP6 on the power supply card fr
70. serve all local codes and fire protection standards in the operations of this unit WARNING always disconnect power before opening covers or removing any part of this unit Please observe all local codes and fire protection standards in the operations of this unit WARNING this device can irradiate radio frequency waves and if it s not installed following the instructions contained in the manual and local regulations it could generate interferences in radio communications This is a CLASS A equipment In a residential place this equipment can cause hash In this case can be requested to user to take the necessary measures R V R Elettronica SpA reserves the right to modify the design and or the technical specifications of the product and this manual without notice 2 Warranty Any product of R V R Elettronica is covered by a 24 twenty four month warranty For components like tubes for power amplifiers the original manufacturer s warranty applies R V R Elettronica SpA extends to the original end user purchaser all manufacturers warranties which are transferrable and all claims are to be made directly to R V R per indicated procedures Warranty shall not include 1 Re shipment of the unit to R V R for repair purposes 2 Any unauthorized repair modification 3 Incidental consequential damages as a result of any defect 4 Nominal non incidental defects 5 Re shipment costs or insurance of the unit or
71. tion exceeds set time TrDsp t rec Power restore hysteresis time setting can be adjusted from 0 to 120 minutes Principle of operation is as described above when back in sync PTX LCD goes back to delivering the same output power as before reduction Fault t act User Manual Hysteresis setting for automatic power reduction activation can be adjusted from 0 to 6 hours in 6 min steps After the set time power is reduced by the specified percent The timer starts counting the sync loss caused by an external FAULT indication e g problems with GPS antenna etc which must persist longer than set time in order for the related feature to activate Fault signal is provided by 1 4 of the telemetry DB15 connector see sect 6 6 1 Rev 3 1 31 08 10 75 76 PTX LCD RaW 13 12 1 6 76 76 Fault t rec Power restore hysteresis time setting can be adjusted from 0 to 6 hours Principle of operation is as described above when back in sync the PTX LCD goes back to delivering the same output power as before reduction pwr out Power reduction percent of power set in menu RF Status under item FPwr For example if pwr out is set to 50 and item FPwr in RF Status menu is set to 30 of power output resulting output is 15 These parameters can also be set using the Telecon software If power reduction occurs when low FWD Power alarm is active an SMS message that reads ALARM low FWD power Out of Sync i
72. vels only trimmer adjustment is available The EXT AGC trimmers enable the user to limit exciter output power according to the levels reached by two analogue quantities acquired through the Remote connector User Manual Rev 3 1 31 08 10 7176 PTX LCD 8 76 Ran Ra ELETTRONICA The two trimmers use the same mode of operation EXT AGC FWD is connected to pin 10 of the Remote connector whereas EXT AGC RFL is connected to pin 2 If voltage at either of the pins exceeds the threshold set at the matching trimmer exciter output power is reduced until the monitored quantity drops below the set limit These trimmers are very useful when the exciter is part of a transmission system For example assuming that the PTX LCD is connected to a power amplifier a proportional signal may be linked to amplifier output power at pin 10 and another proportional signal may be linked to reflected power at pin 2 This way power is kept steady at varying operating frequencies even though amplifier gain is variable and reflected power limitation is achieved for the whole system without triggering amplifier protection equipments The calibration procedure for the EXT AGC trimmers of PTX LCD in a configuration with power amplifier is described below Perform the connections shown in figure 5 3 The cable to connect the two equipments is available from R V R Elettronica on request or the user may ask a skilled technician to provide a cable to match the
73. y one rescuer 15 compressions alternated to two breaths If there are two rescuers the rythm shall be of one brath each 5 compressions Do not interrupt the rythm of compressions when the second person is giving breath Call for medical assistance as soon as possible If victim is responsive Keep them warm Keep them as quiet as possible Loosen their clothing a reclining position is recommended Call for medical help as soon as possible Treatment of electrical Burns Extensive burned and broken skin Cover area with clean sheet or cloth Rev 3 3 31 08 10 RW Ra ELETTRONICA Do not break blisters remove tissue remove adhered particles of clothing or apply any salve or ointment Treat victim for shock as required A Arrange transportation to a hospital as quickly as possible If arms or legs are affected keep them elevated If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of baking soda to each quart of water neither hot or cold Allow victim to sip slowly about 4 ounces half a glass over a period of 15 minutes Discontinue fluid if vomiting occurs DO NOT give alcohol 3 2 2 Less severe burns A Apply cool not ice cold compresses using the cleansed available cloth article Do not break blisters remove tissue rem

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