PTX-DDS - RVR Elettronica SpA Documentation Server
Contents
1. Pg RFL IRLY1 IRLY2 PPSsig Present GPSsig Present E ci t Figure 7 19 Selection of the equipment mode of operation The status can be set Local all settings included in the software are available whereas the telemetry inputs are inhibited or Remote no changes may be made from equipment menus and telemetry inputs are enabled Selection of the threshold level for forward power good signal Level is expressed as percentage of set power level The activation of power good is on when PTX DDS 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 i e PTX100DDS 70 x 100W 70W and 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 i e PTX100DDS 80 x 70W 56W Selection of the threshold level for reflected power good signal Level is expressed as percentage of set power level The activation of power good is on when PTX DDS actual output power exceeds this percentage of set power Pg RFL operates on the same logic as Pg FWD Visualization of the Relay 1 status on the DB15 interface Pin 15 Visualization of the Relay 2 status on the DB15 interface Pin 7 Visualization of the PPS signal status coming from the TRDSP board Visualization of the GPS signal status coming from the GPS opt2. Check carotid pulse Figure 3 if pulse is absent begin artificial circulation Figure 4 depressing sternum Figure 5 Figure 3 Figure 4 2 48 Rev 1 0 08 05 06 a TRAN Figure 5 In case of only 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 3 1 2 If victim is responsive e Keep them warm e Keep them as quiet as possible e Loosen their clothing a reclining position is recommended e Call for medical help as soon as possible 3 2 Treatment of electrical Burns 3 2 1 Extensive burned and broken skin Cover area with clean sheet or cloth Do not break blisters remove tissue remove adhered particles of clothing or apply any salve or ointment e Treat victim for shock as required e Arrange transportation to a hospital as quickly as possible e 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 mi
3. Note if the version isn t supported is displayed ERRORI i e after a new release firmware upgrade App Bios Pann TDS P Tab Jumper App PTDS 000100 Bios BIOS 000300 Pann PDDS 000100 TDSP TDSP 000100 Tab PDDS 0150 01 Jumper 112345678 12345678 Figure 7 16 Visualization of the application release code Visualization of the bios release code Visualization of the panel release code Visualization of the TRDSP release code Visualization of the configuration table code Visualization of the status for the sixteen jumpers present on panel card see chap 5 2 8 In case some jumpers is not been enabled a X label appears in place of the number Rev 1 0 08 05 06 User Manual PTX DDS 7 4 2 12 Modem informations submenu InfoM This menu provides general information on the modem in case it is installated SCN Name SigLev Retry Dial N SMS Stat User Manual ISCN 391234567890 Name SigLev 99 Retry 0 Dial ATDT IN SMS 50 Stat Not in use Maint Figure 7 17 Visualization of the Service Centre Number Visualization of the customer number manager Visualization of the GSM signal level received in antenna expressed in dB Visualization of the SMS transmission attempts in case of alarms Visualization of the initialisation string used by modem Visualization of the number of SMS that the SIM card can store Visualization
4. The logic of the organization of the display is represented in the figures belows User Manual Rev 1 0 08 05 06 13 48 PTX DDS 7 3 1 To12 7 3 1 3 14 48 RV R a ELETTRONICA Space for Space for graphic infomations symbols of Menu default background operations eesaeeaee Admin Maint Menu1 Menu2 VMeter Applications bar Menu5 Menu6 Menu7 it lExit Figure 7 4 Common menu elements In normal operation the equipment introduces default menu where are visualized the fundamental working parameters and comes characterizes two menu levels Maint Maintenance level where the equipment measures are only visualized the operation parameters cannot be modified Admin Management level where are present all the equipment settings The visualization menu and the measure description can be available in several languages depending the version Input modulation deviation bar Vmeter The modulation sent to DDS is displayed as vertical bar in the left portion of the screen The visualization of the bars in kHz or in percentage is determined by dip switch SW2 on the panel card see chap 5 2 8 for details Graphic symbols This graphic bar placed on the left portion of the screen shown the information icons relates to communication through TELECON IIC Icon for signalling the IIC commnication FE Icon for signalli
5. N type 50 BNC 50 approx 40 approx 40 Referred to the RF output BNC BNC gt 600 gt 600 2 2 2 2 12 5 to 5 12 5 to 5 or 6 5 to 11 or 6 5 to 11 or 0 5 to 17 or 0 5 to 17 BNC BNC gt 600 gt 600 12 5 to 5 12 5 to 5 0 1 dB step variable by software 75 kHz peak FM or 6 5 to 11 or 6 5 to 11 internally adjustable 6dBu by jumper or 0 5 to 17 or 0 5 to 17 internally adjustable 12dBu by jumper 0 1 dB step variable by software internal jumper to increase the ouput level of 6dBu internal jumper to increase the ouput level of 12dBu for remote power inhibition short is RF off for modem and PC control software communication for TTL signal input of 1PPS IIC 8 analog digital input For otional 10 MHz external synch 1157230 15 1157230 15 Internal switch 0 21 0 27 0 12 0 15 0 55 0 54 IEC Standard 1 External fuse 6 3 AT 5x20 mm 1 External fuse 6 3 AT 5x20 mm 483 19 IEC Standard 19 EIA rack 88 3 1 72 88 3 1 2 2HE 400 15 7 400 15 7 15 15 for PLL synchronizing purpose 6 input for P A telemetry purpose or 5 input for P A telemetry purpose and 1 for mains alarm signalling or 4 input for P A telemetry purpose and 2 for I2C function 6 input for P A telemetry purpose or 5
6. The pushing of encoder causes the lighting of the display in case it is not been lighted After having modified the value of a parameter the cursor goes on blinking for approximately 10 seconds waiting for confirmation from the user If the user doesn t confirm the new value i e the button is not pressed the cursor stops blinking and remains on the selected parameter Rev 1 0 08 05 06 User Manual PTX DDS If no controls are operated during 2 minutes the exciter returns to the default menu see chap 7 4 1 and after 5 minutes of inactivity the display lighting will be turning off 7 2 Start up Upon switch on a window that holds the RVR logo and machine informations appears on the display The informations regards the firmware release and the programming table LE Note during the start up operation don t press or turn the encoder To reset the factory parameters read chapter 7 5 RaW Ra ELETTRONICA PTDS 000100 01 08 2005 BIOS 000300 01 08 2005 Figure 7 2 Otherwise in substitution of the RVR logo are available informations regarding equipment personalization arranged on three rows of 16 characters Xyz 1 Xyz 2 Xyz 3 PTDS 000100 01 08 2005 BIOS 000300 01 08 2005 Figure 7 3 After approximately 10 seconds this screen is replaced with the default screen see chap 7 4 1 7 3 Operating System The PTX DDS menu system consists of a default menu and set of administration menus
7. 3 ALARM Red LED it is lit on in presence of transmitter failure in case of hardware alarms for example communicaton lack between the modules In case the LED flashing it indicates the temperature alarm 4 AUDIO Red LED it is lit on when the exciter get over the thresholds set up in ALSET menu see chap 7 4 3 11 5 DISPLAY Liquid Crystal Display supports both graphics 240x64 pixels and text 30x8characters 6 ENCODER Software control knob and button 7 POWER Power switch 8 USB USB connector for upgrades and communications with TELECON software 9 PWR OK Green LED it is lit on when the delivering output power get over the thresholds of PGset set up in PGSET menu see chap 7 4 3 2 10 FOLDBACK Yellow LED it is lit on when the foldback function is operating automatic reduction of the delivered RF power 11 LOCAL Yellow LED it is lit on when the exciter is set in Local status see chap 7 4 3 2 In case the LED flashing it indicates communications ahead between exciter and TELECON software 12 INTERLOCK Red LED it is lit on when exciter is not delivering power because inhibited by an interlock signal User Manual Rev 1 0 08 05 06 9 48 PTX DDS 6 2 Rear Panel 15 16 171819 20 el 28282425 Figure 6 2 1 PLUG Mains power plug and Mains power switch 2 FAN Forced cooling fan 3 RF Output RF output connector N type 500 4 Remote DB15
8. 5 to 12 5 Connector XLR F Right Type balanced or externally unbalanced Impedance 10 k or 600 Input Level Adjustment Range 12 5 to 12 5 Connector BNC Type unbalanced MPX unbalanced zP Impedance 10k Input Level Adjustment Range 12 5 to 12 5 Connector 2 x BNC Type unbalanced SCA RDS impadance 10k Input Level Adjustment Range 30 to 13 Connector N type RF Output Outp Impedance 50 Connector BNC RF Monitor Impedance 50 Output Level approx 30 Connector BNC Impedance gt 600 5 Output Level 2 2 Pilot output p 12 5 to 5 MPX Monitor Output Level Adjustment Range or 6 5 to 11 or O 5 to 17 Connector BNC Impedance gt 600 12 5 to 5 Output Level Adjustment Range or 6 5 to 11 or 0 5 to 17 AC Power Input On PA Suppl Interlock Connector BNC RS232 Serial Interface Connector DBO F 1PPS Connector BNG Remote Interface Connector DB15F Input 10 MHz Connector BNC AC Supply Voltage VAC 115 230 15 AC Apparent Power Consumption KVA 0 14 Active Power Consumption kw 0 07 Power Factor 0 51 Connector IEC Standard 1 External fuse 6 3 AT 5x20 mm Input 10 MHz Front panel width mm 483 19 Phisical Dimensions Front panel height mm 88 3 1 72 Overall depth mm 400 15 7 Weight kg 13 GPS Remote inputs code code Analogical level 6 input for P A telemetry purpose or 5 input for P A telemetry pur
9. Connector Attachment channel level expressed in decibel The adjustment of the level is available in step of 0 5 dBu from 30 0 to 13 0 dBu Rev 1 0 08 05 06 31 48 PTX DDS 7 4 3 4 Audio setting submenu AuSet This menu provides the audio control setting of the exciter Clip ClipLR Clip X PhsAna PhsDig PhsMPX 32 48 OFF 00 0 dB 00 0 dB Normal ig Normal Figure 7 21 Selection of the clipper modality The status can be set OFF Clipper disabled RL Clipper enabled for Left and Right Channels MPX clipper enabled for composite channel or MPX RL Clipper enabled for all channels Selection of the clipping level regulation for the right and left channels expressed in decibel The adjustment of the level is available in step of 0 1 dB 12 5 dB Selection of the clipping level regulation for the composite channel expressed in decibel The adjustment of the level is available in step of 0 1 dB 12 5 dB Selection of the analogic channels phase modality It maybe normal or inverted convenient when measuring Sub to Main Selection of the digital channels phase modality It maybe normal or inverted convenient when measuring Sub to Main Selection of the composite channel phase modality It maybe normal or inverted convenient when measuring Sub to Main Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 5 Board setting submenu BdSet This menu provides t
10. ELETTRONICA ED PSWITECR t _ gt Figure 5 1 IC Bus disconnected IC Bus connected Analogic Input 5 activated Analogic Input 5 deactivated Analogic Input 6 activated Analogic Input 6 deactivated Notused oS 3 SW2 Notused S Notused S 4 SW2 Mains Alarm on analogic input 6 activated Sea ear on analogic input 6 5 SW2 RLY1 and RLY2 enabled for power good RLY1 and RLY2 enabled for ON OFF output output 6 SW2 RLY1 output activated for reflected power RLY1 output activated for audio alarm good signalling signalling Notused S Notused Noted o S Vmeter bar in kHz Vmeter bar in Notused o 8 SW1 Table 5 1 Dip Switch configurations 5 2 9 How to enable Remote mode If you wish to use the telemetry control feature enable Remote control in the Admin gt PgSet Loc gt Local menu see section 7 4 3 2 for details Note In the Remote mode the control knob except Remote Local for switching back to Local mode are disabled Operating parameter readings are available 8 48 Rev 1 0 08 05 06 User Manual PTX DDS 6 External Description This section describes the components found on the front and rear panel of PTX DDS 6 1 Front Panel 89 10 1112 Figure 6 1 1 LOCK Green LED it is lit on when the PLL is locked to working frequency 2 ON Green LED it is lit on when the exciter is switched on
11. connector for telemetry of the machine 5 SLOT Slot allocation for the options 6 SCA1 BNC input connector SCA1 unbalanced 7 DIGITAL OUT Not available reserved for future uses 8 SCA2 BNC input connector SCA2 unbalanced 9 DIGITAL OUT 10 MPX UNBAL 11 MONITOR 12 19 kHz pilot 13 10MHz 14 1PPS 15 FUSE 16 RF TEST 17 INTERLOCK IN 18 EXT AGC FWD 19 EXT AGC RFL 20 LEFT MONO 21 RIGHT 22 AES EBU 23 Optical 24 RDS Com 25 RDS Remote 10 48 Not available reserved for future uses BNC input connector MPX unbalanced BNC output connector for internal MPX signal monitoring BNC output connector for output tone control may be used to synchronise external devices such as RDS coder BNC input connector for carrier synchronism signal of external devices such as GPS receiver BNC connector for TTL signal input of 1PPS such as GPS receiver Power supply fuse 6 3AT 250V 5x20 BNC output connector for test output at 13 dBm with respect to output level BNC connector for interlock In case of central conductor is connected to ground the transmitter is placed into forced standby mode Trimmer for automatic gain control based on external signal of forward power Trimmer for automatic gain control based on external signal of reflected power XLR input connector for left or mono channel XLR input connector for right channel XLR input connector for AES EBU digital audio i
12. gt 84 gt 84 gt 78 gt 78 better than 0 5 dB typical 0 2 better than 0 5 dB typical 0 2 0 05 Tipical 0 03 0 05 Tipical 0 03 0 02 0 02 lt 0 1 typical 0 05 lt 0 1 typical 0 05 typical 79 typical 79 typical 72 typical 72 typical 69 typical 69 0 2 0 2 0 5 05 0 05 0 05 0 1 lt 0 1 0 05 0 05 0 1 typical 0 05 0 1 typical 0 05 gt 70 gt 70 gt 60 gt 60 gt 80 Typical 83 gt 80 Typical 83 gt 70 Clypical 73 gt 70 Clypical 73 gt 67 Typical 70 gt 67 Typical 70 0 5 0 5 0 05 0 05 0 03 0 03 0 1 typical 0 05 0 1 typical 0 05 gt 70 gt 70 gt 60 gt 60 gt 40 typical 45 gt 40 typical 45 XLR F XLR F balanced or externally unbalanced balanced or externally unbalanced 10 k or 600 10 k or 600 12 5 to 12 5 12 5 to 12 5 XLR F XLR F balanced or externally unbalanced balanced or externally unbalanced 10 k or 600 10 k or 600 12 5 to 12 5 12 5 to 12 5 BNC BNC unbalanced unbalanced 10k 10k 12 5 to 12 5 12 5 to 12 5 2 x BNC 2 x BNC unbalanced unbalanced 10k 10k 30 to 13 30 to 13 0 5 dB step variable by software Selectable by internal switch 0 1 dB step variable by software Selectable by internal switch 0 1 dB step variable by software 0 1 dB step variable by software
13. input for P A telemetry purpose and 1 for mains alarm signalling or 4 input for P A telemetry purpose and 2 for I2C function max 5 Vcc for analogical levels the function of inputs is determined by internal dip switches FWD and RFL Foldback FWD and RFL Foldback Adjustable by external trimmer Interlock Interlock 2 relay for general telecontrol purpose or 2 relay for power good output or 1 relay for power good signalling or 1 relay for audio alarm signalling 2 relay for general telecontrol purpose or 2 relay for power good output or 1 relay for power good signalling or 1 relay for audio alarm signalling ON OFF command for external amplifier the function of outputs is determined by internal dip switches Yes Yes Proprietary RVR Forced with internal fan Forced with internal fan lt 56 lt 56 Leq 3 min 1m EN 60215 1989 EN 60215 1989 EN 60215 A1 1992 07 EN 60215 A1 1992 07 EN 60215 A2 1994 09 EN 60215 A2 1994 09 ETSI EN 301 489 11 V1 2 1 ETSI EN 301 489 11 V1 2 1 ETSI EN 301 489 11 V1 4 1 ETSI EN 301 489 11 V1 4 1 ETSI EN 302 018 1 V1 1 1 ETSI EN 302 018 2 V1 1 1 Rev 1 0 08 05 06 43 48 ETSI EN 302 018 1 V1 1 1 ETSI EN 302 018 2 V1 1 1 User Manual PTX DDS ELETTRONICA 9 Modules Identification The PTX DDS is made up of various modules linked
14. supply also features stabilizers for generating continuous 5 V 15V 8V and 18 V voltages for powering the other device circuits 9 4 Up Converter section The up convert transform the modulated signal in output from the DDS section and lead it in FM band 87 5 108 MHz The up converter is composed of two convertions The first convertion contains IF card that realizes the following functions The first section receives the DDS signal at 8MHz which is filtered and then passed into a mixer which presents a signal coming from a 66MHz chrystal oscillator to the other input The signal 7OMHz obtained from the difference between these two signals is filtered and amplified an once it is processed it is sent to the second convertion The second circuit receives the 7OMHz signal which is filtered amplified and then passed into a mixer which presents a signal coming from a 157 5 178 MHz Voltage Controlled Oscillator to the other input The signal 87 5 108 MHz obtained from the difference between these two signals is filtered and it is sent to the power amplifer for successive elaboration User Manual Rev 1 0 08 05 06 45 48 PTX DDS 9 5 9 6 9 7 46 48 Power amplifier The power amplifier is available in a 30W 100W and 150W version The final power stage is enclosed in a fully shielded metal container fixed to the central part of the device The RF signal coming from the main board reached the pilot is amplif
15. to each other through connectors so as to make maintenance and any required module replacement easier 9 1 Top View The figure below shows the equipment top view with the various component pointed out 1 2 3 4 5 6 7 8 9 Figure 9 1 SL034UP2001 IF70 up converter board SL034F11001 Filter board placed under SLO34UP2001 TRDSP5 TRDSP board SL034TL1001 Telemetry distribution board SL034IN2002 Remote interface board SLPA150WMOS Power amplifier board 30W 100W or 150W version PSL300DDS Power supply board 28V 10A L034MD1001 FM modulator board placed under SLO34UP1001 SL0341N1001 USB board 10 SLO34UP1001 Up converter board 11 SL034VC1001 VCO board 12 SL034PC1003 Panel board 13 SLO34CP1001 CPU 16 bit board 14 SLO34PS1002 Power supply distribution board 44 48 Rev 1 0 08 05 06 User Manual PTX DDS 9 2 Working Principles A schematic view of the modules and connections making up the PTX DDS with the telemetry board is shown in following figure L Figure 9 2 9 3 Power supply unit The PTX DDS power supply unit is a switching type unit whose 34 V main output powers the machine s RF amplifier The power
16. Digital Synthesis Operational Mode Mono Stereo Multiplex AES EBU e Ambient working temperature O to 50 operational 10 Frequency Stability WT from 10 C to 50 C 1 Modulation capability 150 Pre emphasis mode O 50 CCIR 75 FCC Spurious amp harmonic suppression gt 80 85 typical Asynchronous AM S N ratio Referred to 100 AM with no de emphasis 60 Synchronous AM S N ratio S N FM Ratio Referred to 100 AM FM deviation 75 kHz by 400Hz sine without de emphasis gt 50 RMS 75 kHz peak HPF 20Hz LPF 23 kHz 50S de emphasis dB gt 85 typical 90 Qpk 75 kHz peak CCIR weighted 50 pS de emphasis dB gt 84 Qpk 40 kHz peak CCIR weighted 50 uS de emphasis dB gt 78 Frequency Response 30Hz 1 5kHz dB better than 0 5 dB typical 0 2 Total Harmonic Distortion THD N 30Hz 15kHz 0 05 Tipical 0 03 Intermodulation Distortion Measured with a 1 KHz and 1 3 KHz tones 1 1ratio at FM 75 kHz lt 0 02 Transient intermodulation distortion Composite S N FM Ratio Measured with a 3 18 kHz square wave and a 15 kHz sine wave at 75 kHz FM RMS 75 kHz peak HPF 20Hz no LPF SOUS de emphasis 0 1 typical 0 05 gt 75 typical 79 Qpk 75 kHz peak CCIR weighted 50 pS de emphasis gt 70 typical 72 Qpk 40 kHz peak CCIR weighted 50 uS de emphasis gt 67 ty
17. G Disconnect mains power supply before beginning these procedures The mains power supply protection fuse is conveniently located on the rear panel and are easily accessed see figure 6 2 to check or replace a fuse disconnect machine from power mains unscrew fuse cover and pull fuse out of socket The following fuse is used 115 Vac 230 Vac Main Power Supply fig 6 2 item 15 1x 6 3AT type 5x20 Table 5 1 Fuse Connections Connect a suitable dummy load with suitable dissipation power or antenna or the input of final amplifier for instance PJ1000 LIGHT exciter available from R V R Elettronica to the RF output see figure 6 2 item 3 using a 50 Ohm coaxial cable with N type connectors Note When you connect the PTX DDS to other devices it is necessary to strictly follow the instructions given by the resepective manufacturers to avoid damages or danger situations WARNING Electric shock hazard Never handle the RF output connector when the machine is powered on and no load is connected Injury or death may result Ensure that the POWER switch on the front panel see figure 6 1 item 7 and the switch on the rear panel are set to see figure 6 2 item 1 OFF Connect the mains power cable to the MAINS terminal board on the rear panel see figure 6 2 item 1 Note The mains must be equipped with adequate ground connection properly connected to the machine This
18. PTX DDS User Manual RaW Ra ELETTRONICA Manufactured by Italy File Name 03_ PTX DDS_ING_1 0 indd Version 1 0 Date 08 05 2006 Document History Date ersion 08 05 2006 1 0 Reason Editor First Edition J H Berti PTX DDS User Manual Versione 1 0 Copyright 2006 R V R Elettronica SpA Via del Fonditore 2 2c 40138 Bologna Italia Phone 39 051 6010506 Fax 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 informa tion storage and retrieval system without written permission of the copyright owner Notification of intended purpose and limitations of product use This product is a FM transmitter intended for FM audio broadcasting It utilises operating frequencies not harmonised 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 r
19. alarm disabled to 99 Selection of the alarm activation level in case of external reflected power lack expressed in percentage The adjustment of the level is available in step of 1 from 0 alarm disabled to 99 Selection of the alarm activation time referred to the several entries expressed in seconds The adjustment of the value is available in step of 1 s from 0 to 240 s In the following is shown the operating logic of an alarm User Manual Alarm state PRESENT Alarm state ABSENT Timer time limit of alarm activation with Alarm state time limit before the timer i j alarm state still persistent ALARM IS tivation time ANY exhaustion of the aci ALARM IS NOT GENERATES and the GENERATE timer is reload to the starting value The bar pmm shows the alarm activation time Rev 1 0 08 05 06 39 48 PTX DDS 7 4 3 12 General setting submenu GnSet This menu provides the general setting as modem serial interface time etc of the exciter JUart 1 Baud 9600 Modem Absent Lang English Date 00 00 00 Time 00 00 00 IREMER Exit Figure 7 29 Uart Selection of the address for I C and serial communications selectable from 1 to 200 Baud Selection of the baud rate for the serial port data transfer selectable between 1200 2400 4800 9600 19200 and 38400 Modem Selection of the modem modality The status can be displayed Present tra
20. anded to the user to take adequate measures Specifications and informations contained in this manual are furnished for information only and are subject to change at any time without notice and should not be construed as a commitment by R V R Elettronica SpA The R V R Elettronica SpA assumes no responsability or liability for any errors or inaccuracies that may appear in this manual including the products and software described in it and it reserves the right to modify the design and or the technical specifications of the product and this manual without notice e Warning regarding the use designated and the use limitations of the product This product is an transmitter radio indicated for the audio broadcasting service in frequency modulation It uses working frequencies that are not harmonized in the states of designated user The user of this product must obtain from the Authority for spectrum management in the state of designated user the appropriate authorization to use the radio spectrum before putting in exercise this equipment The working frequency the transmitter power let alone other specifications of the transmission system are subject to limitation and definited in the authorization obtained 2 Warranty R V R Electronics S P A guarantees absence of manufacturing defect and the good operation for the products within the provided terms and conditions Please read the terms carefully because the purchase of t
21. ansmission expressed in minutes The adjustment of the value is available in step of 1 min from 10 to 240 min Selection of the Morse code sended tipically composed from a character three figures and two characters Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 11 Alarms setting submenu Al Set This menu provides the alarm setting of the exciter FWD RFL Audio Mains ExtFWD ExXtRF1 FWD 00 000s RFL 200 000s Audio 00kHz 000s Mains 000s Ext FWD 00 000s ExtRFL 00 000s FREMEMe Exit Figure 7 28 Selection of the alarm activation level in case of forward power lack expressed in percentage The adjustment of the level is available in step of 1 from 0 alarm disabled to 99 Selection of the alarm activation level in case of reflected power lack expressed in percentage The adjustment of the level is available in step of 1 from 0 alarm disabled to 99 Selection of the alarm activation level in case of audio lack expressed in percentage The adjustment of the level is available in step of 1 from 0 alarm disabled to 99 Selection of the alarm activation time in case of mains power lack expressed in seconds The adjustment of the value is available step of 1 s from 0 to 240s Selection of the alarm activation level in case of external forward power lack expressed in percentage The adjustment of the level is available in step of 1 from 0
22. by untrained unqualified personnel in the handling of this unit A WARNING The equipment is not water resistant and an infiltration could seriously compromise its correct operation In order to prevent fires or electric shocks do not expose the equipment to rain infiltrations or humidity Please observe all local codes and fire protection standards during installation and use of this unit A WARNING The equipment has to its inside exposed parts to risk of electric shock always disconnect power before opening covers or removing any part of this unit Fissures and holes are supplied for the ventilation in order to assure a reliable efficacy of the product that for protect itself from excessive heating these fissures do not have to be obstructed or to be covered The fissures doesn t be obstructed in no case The product must not be incorporated in a rack unless it is supplied with a suitable ventilation or that the manufacturer s instructions are been followed A WIRING This equipment can irradiate radio frequency energyand if it s not installed following the instructions contained in the manual and local regulations it could generate interferences in radio communications Rev 1 0 08 05 06 A WIRING This device has a connection to ground on the power cord and on the chassis Check that they are correctly connected Operate with this device in a residential ambient can cause radio disturbs in this case it can be dem
23. ches 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 manager on the authorization DO NOT RETURN UNITS WITHOUT OUR AUTHORIZATION AS THEY WILL BE REFUSED Be sure to enclose a written technical report where mention all the problems found and a copy of your original invoice establishing the starting date of the warranty A 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 am R V R Elettronica SpA GA Via del Fonditore 2 2c Seel 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 3 1 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 clear out mouth if necessary and observe for breathing if not breathing begin artificial breathing Figure 2 tilt head pinch nostrils make airtight seal four quick full breaths Remember mouth to mouth resuscitation must be commenced as soon as possible Figure 2
24. cy wait at least 15 seconds from the power on of PTX DDS Power check Question The equipment doesn t work correctly at the power set up Answer e Ensure that the INTERLOCK light turns off see figure 6 1 item 2 It indicates that no external interlock signal inhibites the delivering power from exciter e Ensure that the F BACK light turns off see figure 6 1 item 10 In counter case indicates the foldback function is operating automatic reduction of the delivered RF power To restore the right operation connect a proper load or antenna to the exciter Rev 1 0 08 05 06 User Manual PTX DDS e Check current RF output setting and enable output if not already enabled following menu path Admin gt RfSet gt Pwr gt ON chap 7 4 3 1 Otherwise is possible enable the output power directly from main menu chap 7 4 1 Output power can also be set ina Pwr OFF condition in this condition Fwd output power reading on the display will be O zero that will be delivered the moment you switch back to Pwr ON state e Check output power level and set to maximum level if not already set to maximum from the Power Setup Menu which you can call up by pressing these keys in the order Admin gt RfSet gt Pwr gt P Out chap 7 4 3 1 In alternative is possible adjust the output power directly from main menu chap 7 4 1 Use RfSet menu to set the desired amplifier output power whereas the forward power va
25. de for user interfacing with the microprocessor control system which implements the following feature e Set up of the power output e Set up of the working frequency e Enabling or disabling of the power output delivery e Measurement and visualization of the working parameters e Communication with eternal devices The management software offers an intuitive user interface and runs on any PC in the WINDOWS environment On the rear panel is placed the audio section which allows the interfacement with other devices From this section are available the analogic connectors for audio input mono audio stereo MPX digital audio input AES EBU electrical and optical 19kHz pilottone output and two SCA input for signals modulated on subcarriers from external coders it is normally uses in Europe for RDS transmission Radio Data System The audio section includes functionality of RDS coder externally programmable through the proper RVR software There are also placed the mains power plug RF output RF test the remote connector and the protection fuse The equipment foresees several options on request as GPS board function User Manual Rev 1 0 08 05 06 3 48 PTX DDS 5 4148 Quick guide for installation and use This section provides a step by step description of the machine installation and configuration procedure Follow these procedures closely upon first power on and each time any change is made to general configurati
26. ditional PSTN modem function enabled GSM GSM modem function enabled or Absent modem function disabled Lang Selection of the menu language Date Selection of the date expressed as dd MM yy Time Selection of the time expressed as HH mm 40 48 Rev 1 0 08 05 06 User Manual PTX DDS 7 5 Set up Reset To reset completely the PTX DDS to the factory set up if necessary follow the next instructions The user must hold pressed the encoder therefore switch on the PTX DDS it will be displayed the following screen ATTENTION If you press YES button all data in a memory be reset YES NO Time remanina 09 Second Figure 7 30 In order to make the reset it is necessary to move the encoder until the YES label is highlighted therefore press it By pressing the encoder on the NO label the user is brought back to the normal start up see chap 7 2 In any case after 20 seconds without selection the user is brought back to the start up screen After you had pressed the YES label when it is highlighted will be displayed a new screen with the percentage information of restoring operation k I Init default value please wait Figure 7 31 User Manual Rev 1 0 08 05 06 41 48 PTX DDS 8 Technical Specification Frequency range 87 5 108 Frequency programmability By software with 1 10 100 or 1000 kHz Rated output power 30 Modulation type Direct
27. e cursor stops blinking and remains on the selected parameter Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 1 RF setting submenu RF set This menu provides general the RF setting of the exciter RF Freq F Step P Out Rise t FWD RFL User Manual RF On Freq 000 000Mhz F Step 000 kHz P Out 000 Rise t 000 Sec FWD 0 0 WwW RFL 0 0 WwW ERE Exit Figure 7 18 Selection of the equipment power status The status can be set ON RF power output enabled or OFF RF power output disabled Selection of the working frequency In case that the end of scale comes reached during the setting you will bring back to beginning of scale This editable parameter is expressed in megahertz Selection of the step for the regulation of the working frequency expressed in kilohertz The adjustment of the value is available in step of 1 10 100 or 1000 kHz Selection of the ouput power percentage desired from 0 output power disabled to 100 Selection of the duration time regarding the power ascent ramp Visualization of the forward power expressed in Watt Visualization of the reflected power expressed in Watt Rev 1 0 08 05 06 29 48 PTX DDS 7 4 3 2 Power general submenu PGset 30 48 This menu provides the Power Amplifier setting of the exciter Status Pg FWD Pg RFL RLY1 RLY2 PPSsig GPSsig Status Local Pg FWD 000
28. elevant provisions of Directive 1999 5 EC CE PTX DDS Table of Contents 1 Preliminary Instructions 1 2 Warranty 1 3 First Aid 2 3 1 Treatment of electrical shocks 2 3 2 Treatment of electrical Burns 2 4 General Description 3 5 Quick guide for installation and use 4 5 1 Preparation 4 5 2 First power on and setup 6 6 External Description 9 6 1 Front Panel 9 6 2 Rear Panel 10 7 Operating System 12 7 1 Using the encoder 13 7 2 Start up 13 7 3 Operating System 13 7 4 Menu Organization 15 7 5 Setup Reset 41 8 Technical Specification 42 9 Modules Identification 44 9 1 Top View 44 9 2 Working Principles 45 9 3 Power supply unit 45 9 4 Up Converter section 45 9 5 Power amplifier 46 9 6 Panel Card 46 9 7 16 bit CPU Card 46 9 8 TRDSP Card 47 User Manual Rev 1 0 08 05 06 i PTX DDS Rev 1 0 08 05 06 RaW Ra ELETTRONICA This page was intentionally left blank User Manual PTX DDS S IMPORTANT The symbol of lightning inside a triangle placed on the product evidences the operations for which is necessary gave it full attention to avoid risk of electric shocks The symbol of exclamation mark inside a triangle placed on the product informs the user about the presence of instructions inside the manual that accompanies the equipment im portant for the efficacy and the maintenance repairs D A User Manual 1 Preliminary Instructions e General forew
29. he exciter control setting In case of passage from Mono to Stereo modality the left channel adjusments are replicated on the right channel Input Mode A Mode D Mode X Preemp PilLev PilPhs User Manual Analog Mono Auto Stereo 50 00 0 Degli Figure 7 22 Selection of the audio input modality or the automatic rescuer activation The status can be set Analog analogic inputs Digital digital inputs MPX composite input or Auto D A X automatic input rescuer Selection of the coder modality in analogic operation The status can be set Stereo sterophonic mode Stereo RDS stereophonic with RDS mode Mon L monophonic mode with only left channel enabled Mon L RDS monophonic with RDS mode with only left channel enabled MonL R monophonic mode with right and left channels enabled or MonL R RDS monophonic with RDS mode with right and left channels enabled Selection of the coder modality in digital operation The status can be set Stereo sterophonic mode Stereo RDS stereophonic with RDS mode Mon L monophonic mode with only left channel enabled Mon L RDS monophonic with RDS mode with only left channel enabled MonL R monophonic mode with right and left channels enabled MonL R RDS monophonic with RDS mode with right and left channels enabled Auto automatic mode selection or Auto RDS RDS with automatic mode selection Selection of the coder modality in composite operation The s
30. he ouput level for the composite channel expressed in decibel dBu Visualization of the ouput level for the Monitor channel expressed in decibel dBu Rev 1 0 08 05 06 21 48 PTX DDS 7 4 2 7 22 48 I T U and A G C status Submenu I TUst This menu provides general information on the ITU International Telecommunications Union and AGC Automatic Gain Control setups WEU ITUlev AGC AGC LR AGC AGC X ITU On ITULev 00 AGC OFF JAGC LR 00 AGC OFF JAGC X 00 Maint Figure 7 12 Visualization of the ITU functionality status Visualization of the ITU level expressed in decibel Visualization of the intervention speed selection for the left and right channels Visualization of the intervention level for the left and right channels expressed in decibel Visualization of the intervention speed selection for the composite channel Visualization of the intervention level for the composite channel expressed in decibel Rev 1 0 08 05 06 User Manual PTX DDS 7 4 2 8 RDS status submenu RDSst This menu provides general information on the RDS Radio Data System setups DNS PS Pi PEY TA TP MS User Manual Figure 7 13 Visualization of the DNS put on the air Domain Name Service Visualization of the text put on the air Program Service Visualization of the code put on the air Program Identification Visualization of PTY Program TYpe statu
31. he product or acceptance of order confirmation constitutes acceptance of the terms and conditions For the last legal terms and conditions please visit our web site WWW RVR IT wich may also be changed removed or updated for any reason without prior notice Warranty will be void in cases of opened products physical damage misuse modification repair by unauthorised persons carelessness and using the product for other purpose than its intended use In case of defect proceed like described in the following 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 Ifyourdealer 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 1 48 PTX DDS R V R is never responsible for damage or loss until the package rea
32. ied and then sent to the final stage which takes care of final amplification up to 30 100 or 150W depending the model Amplification occurs in two stages the first done with the BLF244 and the second with a BLF147 Besides actual RF amplification this circuit performs other functions e Checks output power level depending on the setting e Reduces delivered power in presence of high level reflected power e Measures direct and reflected power by means of directional couplers e Measures the current absorbed by the power amplifier e Measures temperature e Filters the pass low of the output RF signal This board also features an RF sampling of approximately 13dBm RF with respect to the output which is available on a BNC connector below the transmitter output connector Sampling is useful for verifying the characteristics of the carrier but not for checking those of the upper harmonics 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 DDS 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 The software denotes jumper positions as descripted in chapter 5 2 8 16 bit CPU 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 transm
33. ion Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 3 Audio regulation submenu AUREG This menu provides the audio level setting of the exciter When the exciter is set in STEREO mode from the BdSet menu see chap 7 4 3 5 the same level adjustment is forced on both channels Ana Ana Dig Dig MPX SCA1 SCA2 User Manual Ana 00 Ana 00 Dig R 00 Dig L 00 MPX 00 dBu SCA1L 00 dBu SCA2 00 0 dBu E Exit dBu dBu dBf dBf 0 0 0 0 0 0 Figure 7 20 Selection of the right analogic channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBu 12 5 dBu Selection of the left analogic channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBu 12 5 dBu Selection of the left digital channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBfs 12 5 dBfs Selection of the left digital channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBfs 12 5 dBfs Selection of the composite channel level expressed in decibel The adjustment of the level is available in step of 0 5 dBu from 12 5 dBu Selection of the SCA1 Single Connector Attachment channel level expressed in decibel The adjustment of the level is available in step of 0 5 dBu from 30 0 to 13 0 dBu Selection of the SCA2 Single
34. is a pre requisite for ensuring operator safety and correct operation Connect your source audio for example the mixer or STL output to the suitable input connector The PTX DDS offers a number of input choices L R MPX or even digital see the connectors description for details User Manual Rev 1 0 08 05 06 5 48 PTX DDS 5 2 LE 5 2 1 5 2 2 5 2 3 6 48 First power on and setup Follow this procedure upon first power on and after making changes to the configuration of the transmitter in which the amplifier is integrated Note Standard factory settings are RF power output Off Pwr OFF and output power set to upper limit unless otherwise specified by customer Power on Question The equipment is turn off Answer e When you have performed all ofthe connections described in the previous paragraph power on the amplifier using the suitable power switch on the rear panel figure 6 2 item 1 Power on the pilot exciter switch on the front panel figure 6 1 item 7 Ensure that the ON light turns on see figure 6 1 item 2 Start up informations should appear briefly on the display quickly followed by the main readings figure 7 5 chap 7 4 1 If RF output is disabled these readings will be zero Frequency lock check Question The equipment doesn t work correctly Answer e Ensure that the LOCK light turns on see figure 6 1 item 1 It indicates the PLL is locked to working frequen
35. ith the machine It also possible to disable the internal RDS coder and use an external coder The TRDSP includes a support panel with the input and output connectors The key advantage offered by the TRDSP option is enhanced performance in terms of e Amplitude frequency response 0 01 dB 30 Hz 15 kHz e Stereophonic separation 65 dB 30 Hz 15 kHz e Distortion lt 0 03 User Manual Rev 1 0 08 05 06 47 48 PTX DDS 48 48 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 up converter section of PTX DDS Rev 1 0 08 05 06 User Manual
36. itter as it handles and processes all information Rev 1 0 08 05 06 User Manual PTX DDS 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 DDS RS232 output to the serial port of a PC Card specifications are as follows e Microprocessor 90F5436 e Flash Memory size 1MBytes e Static RAM size 32KBytes e Communication Interface RS232 RS485 and C Bus e EEPROM size 2KBytes e Self diagnosis LED 1 red led 9 8 TRDSP Card The TRDSP is a DSP based digital circuit that performs the following tasks e input selection level adjustment and processing filtering and preemphasis e stereophonic coding e 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 digital 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 w
37. lue shown on the display Forward xxx x W gives actual output power reading and may be lower than set power if an Automatic Gain Control is in limited power mode i IMPORTANT The transmitter incorporates Automatic Gain Control and output power is modulated based on the power level set by the user and actual operating conditions such as temperature reflected power and other parameters Drive power must be kept steady at maximum output power capacity Please read section 5 3 for more details of RF power modulation 5 2 4 How to enable Local mode Question The equipment don t accept command through Control knob Answer e Check current mode setting and enable Local mode if not already enabled following menu path Admin gt PgSet gt Loc Local chap 7 4 3 2 if left disabled the machine will not accept the next commands 5 2 5 Changing the Power Good alarm threshold Change Forward Power Good alarm setting PgFWD from the Admin gt PgSet menu as required factory setting is 50 Please read section 7 4 3 2 for more details 5 2 6 Changing the dip switch configuration Tochangethe dip switch configuration open the upper cover switch offthe equipment if it power on and disconnectthe mains power cable then unscrewing all the screw present Remove the cover and identify the panel card see figure below configurate the dip switch referred to the own necessity User Manual Rev 1 0 08 05 06 7 48 PTX DDS RV Ra
38. mal or inverted Visualization of the composite channel phase modality It maybe normal or inverted Rev 1 0 08 05 06 19 48 PTX DDS 7 4 2 5 Board control submenu BdCnt This menu provides general information on the exciter control adjustments of the exciter Input Analog Mode A Mono Mode D Auto Mode X Stereo Preemp PilLev PilPhs Figure 7 10 Input Visualization of the audio input modality or the automatic rescuer activation Mode A Visualization of the coder modality in analogic operation Mode D Visualization of the coder modality in digital operation Mode X Visualization of the coder modality in composite operation Preemp Visualization of the preemphasis selection expressed in microseconds PilLev Visualization of the level correction adjustment of the pilot generated expressed in decibel PilPhs Visualization of the level correction adjustment of the pilot generated expressed in degrees 20 48 Rev 1 0 08 05 06 User Manual PTX DDS 7 4 2 6 Output level submenu OuLev This menu provides general information on the output level measures Dig R Digs L MPX Monit User Manual Dig R 00 0 Dig L 00 0 MPX 00 0 Monit 00 0 Maint Figure 7 11 Visualization of the ouput level for the right digital channel expressed in decibel dBfs Visualization of the ouput level for the left digital channel expressed in decibel dBfs Visualization of t
39. menu and then press again to confirm If no controls are operated through the encoder during 2 minutes the exciter returns to this menu and after 5 minutes of inactivity the display lighting will be turning off RF Status Off Frequency 000 MHz Power Out 000 Forward 000 0 W W Reflected 000 0 Ch Input Analog Lev Input 00 00 dBu Admin Maint Figure 7 5 RF Status Visualization and setting of the equipment power status Frequency Visualization and setting of the working frequency Power Out Visualization and setting of the output power expressed in percentage Forward Visualization of the forward power expressed in Watt Reflected Visualization of the reflected power expressed in Watt Ch Input Visualization of the regulation on input audio channel that is generating modulation lev InputVisualization of the audio channel level that is generating modulation expressed in dBu User Manual Rev 1 0 08 05 06 15 48 PTX DDS 7 4 2 Maintenance menu Maint 74 2 1 16 48 Under this menu are available detailed information regarding the status of the equipment most of these cannot be modified but are only visualized Turning the encoder you can move the cursor to the next submenu label while its informations and measures appears in the centre of the window To return to the default menu see chap 7 4 1 rotate the encoder until the EXIT label is highlighted then press to exit the Maintena
40. nce submenu In alternative you can avoid to use the encoder for about 2 minutes to return to the default menu see chap 7 4 1 automatically RF measures submenu REmea This menu provides general information on the RF measures of the exciter On 000 000Mhz 0 0 W 0 0 W On Figure 7 6 RF Visualization of the equipment power status Freq Visualization of the working frequency Fwd Visualization of the forward power expressed in Watt Rfl Visualization of the reflected power expressed in Watt RDS Visualization of the internal RDS status SFN Visualization of the reduction power status for isofrequencies application FSK Visualization of the FSK status Rev 1 0 08 05 06 User Manual PTX DDS 7 4 2 2 Power amplifier measures submenu PAmea This menu provides general information on the power amplifier measures VCO Temp ExFWD EXRFL User Manual VPA IPA vco Temp ExFWD ExRFL Maint Figure 7 7 Visualization of the feeding voltage of power amplifier expressed in Volt Visualization of the absorbed current of power amplifier expressed in Ampere Visualization of the voltage applied to VCO section expressed in Volt Visualization of the amplifier module temperature expressed in degrees centigrade Visualization of the forward power supplied by external amplifier expressed in percent Visualization of the reflected power supplied by external amplifier expres
41. ng the RS232 commnication T Icon for signalling the happened audio commutation on one of the two secondary channels LF Icon for signalling the happened power reduction during SFN operation E Icon for signalling the presence of the internal or external signal reference of 10MHz a Icon for signalling the detection of SPB490 data in RDS signal reception Rev 1 0 08 05 06 User Manual PTX DDS ELETTRONICA 7 4 Menu Organization 7 4 1 Default menu MAIN This is an information screen it shows the main amplifier measures most of this cannot be modified Only RF Status Frequency and Power Output are quickly modifiable from this menu If the illumination of the display is turned off the first pressure or rotation of the encoder cause the lighting To change the editable parameters press the encoder turn until the indicator is highlighted on the desired menu and then press again to confirm The setting of the value is now possible by the rotating of the encoder After having modified the value of a parameter the cursor goes on blinking for approximately 10 seconds waiting for confirmation from the user If the user doesn t confirm the new value i e the button is not pressed the cursor stops blinking and remains on the selected parameter To access to the Maintenance submenus chap 7 4 2 or to the Administrator submenus see chap 7 4 3 press the encoder turn until the indicator is highlighted on the desired
42. nput TOS LINK connector for digital audio input in fibre optic DB9 connector for RDS data serial communication DB9 connector for electromechanical remote interface Rev 1 0 08 05 06 User Manual 6 3 Rear Panel 6 3 1 Remote User Manual Type Female DB15 1 NOOB Ext Rem Ext Fwd Pwr GND PTX DDS Interlock input disables tx if connected to ground Analogue input for forward power from external amplifier GND Analogue Input 5 0 5V or I C bus SDA Analogue Input 3 0 5V Analogue Input 1 0 5V RLY 2 Out GND GND Ext Rfl Pwr 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 GND GND Analogue input for reflected power from external amplifier Analogue Input 6 0 5V or I C bus SCL or mains alarm signalling Analogue Input 4 0 5V Analogue Input 2 0 5V GND RLY 1 Out GND 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 Otherwise the states of this contact have the following meanings power good signalling or audio alarm signalling the function is determined by dip switches SW1 and SW2 on the panel card see chap 5 2 8 for details Rev 1 0 08 05 06 11 48 PTX DDS 7 Operating System 7 1 The exciter is controlled by a microprocessor system Software ope
43. nutes Discontinue fluid if vomiting occurs DO NOT give alcohol 3 2 2 Less severe burns e Apply cool not ice cold compresses using the cleansed available cloth article Do not break blisters remove tissue remove adhered particles of clothing or apply salve or ointment e Apply clean dry dressing if necessary e Treat victim for shock as required e Arrange transportation to a hospital as quickly as possible If arms or legs are affected keep them elevated User Manual PTX DDS 4 General Description The PTX DDS is a FM digital exciter DDS Direct Digital Synthesizer featuring a 19 RACK mountable form factor 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 working frequency The exciter has been designed to easily integrate into complex transmission systems To this end it is capable of accepting data from controlling or interacting with external equipments such as amplifiers switching units relays or other exciters The PTX DDS design is based on a modular concept the different functions are performed by modules that are connected directly through male and female connectors or through flat cables terminated by connectors This design facilitates maintenance and module replacement ALCD on the front panel and a control knob provi
44. o 12 0 dB Rev 1 0 08 05 06 35 48 PTX DDS 74 3 8 36 48 RDS setting submenu RDS The menu provides the RDS Radio Data System setting of the exciter The enabling for RDS operation is dependent also from the selection into the BdSet menu chap 7 4 3 5 RDS ON Level 0 mV Phase 0 0 k RENE Exit Figure 7 25 RDS Visualization of the RDS modality The status can be displayed ON RDS coder enabled or OFF RDS coder disabled Level Selection of the pilot tone level at 57KHz expressed in millivolt The adjustment of the level is available in step of 1 mVpp from 0 to 150 mVpp Phase Selection of the pilot tone phase at 57KHz expressed in degrees The adjustment of the phase is available in step of 0 1 from 0 to 360 0 Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 9 SFN submenu SFN This menu provides the SFN Single Frequency Network setting of the exciter Enable Pps ine PpsRec Gpsint GpsRec Power Delay User Manual Enable ON PpsInt 100 min PpsRec 10 min GpsInt 200 min GpsRes 0 min Power 50 Delay 0 000 ms FREMERN Exit Figure 7 26 Selection of the SFN modality The status can be displayed ON power reduction enabled or OFF power reduction disabled Selection of the power reduction intervention in case of PPS signal lack expressed in minutes The adjustment of the value is a
45. of the modem status Rev 1 0 08 05 06 27 48 PTX DDS 7 4 3 28 48 Administration menu Admin Under this menu are available advanced information regarding the status of the equipment and most of these can be modified Turning the encoder you can move the cursor to the next submenu label while its informations and measures appears in the centre of the window To return to the default menu see chap 7 4 1 rotate the encoder until the EXIT label is highlighted then press to exit the Maintenance submenu In alternative you can avoid to use the encoder for about 2 minutes to return to the default menu see chap 7 4 1 automatically To access to the several submenus present press the encoder turn until the indicator is highlighted on the desired editable parameters and then press again to confirm To exit from this submenu rotate the encoder until the EXIT label is is highlighted then press the encoder to confirm and return to Administration submenu navigation To change the editable parameters press the encoder turn until the indicator is highlighted on the desired parameter label and then press again to confirm The setting of the value is now possible by the rotating of the encoder After having modified the value of a parameter the cursor goes on blinking for approximately 10 seconds waiting for confirmation from the user If the user doesn t confirm the new value i e the button is not pressed th
46. on such as when a new transmission station is added or the amplifier is replaced Once the desired configuration has been set up no more settings are required for normal operation at each power up even after an accidental shutdown the amplifier defaults to the parameters set during the initial configuration procedure The topics covered in this section are discussed at greater length in the next sections with detailed descriptions of all hardware and firmware features and capabilities Please see the relevant sections for additional details IMPORTANT When configuring and testing the transmitter in which the exciter is integrated be sure to have the Final Test Table supplied with the machine ready at hand throughout the whole procedure the Final Test Table lists all operating parameters as set and tested at the factory Preparation Preliminary checks Unpack the amplifier and immediately inspect it for transport damage Ensure that all connectors are in perfect condition Provide for the following applicable to operating tests and putting into service V Single phase 230 VAC 15 10 or 115 VAC through internal connector mains power supply with adequate ground connection For operating tests only dummy load with 50 Ohm impedance and adequate Capacity V Connection cable kit including e Mains power cable Rev 1 0 08 05 06 User Manual 5 1 2 N 5 1 3 LS A PTX DDS Mains power supply WARNIN
47. ord The equipment in object is to considering for uses installation and maintenance from trained or qualified staff they conscious of the risks connected to operate on electronic and electrical circuits electrical The trained definition means staff with technical knowledge about the use of the equipment and with responsibility regarding the own safety and the other not qualified staff safety place under his directed surveillance in case of works on the equipment The qualified definition means staff with instruction and experience about the use of the equipment and with responsibility regarding the own safety and the other not qualified staff safety place under his directed surveillance in case of works on the equipment A WARNING The machine can be equipped with an ON OFF switch which could not remove completely voltages inside the machine It is necessary to have disconnected the feeding cord or to have switched off the control panel before to execute technical operations making sure himself that the safety connection to ground is connected The technical interventions that expect the equipment inspection with circuits under voltage must be carry out from trained and qualified staff in presence of a second trained person that it is ready to intervene removing voltage in case of need R V R Elettronica SpA doesn t assume responsibility for injury or damage resulting from improper procedures or practices
48. pical 69 Stereo S N FM Ratio F R 30Hz 53kHz 0 2 requency Response S O os a THD N 30Hz 53kHz fi Total Harmonic Distortion 2005 THD N 53kHz 100kHz 0 1 Intermodulation distortion Measured with a 1 KHz and 1 3 KHz tones 1 1 modulation at FM 75 kHz 0 05 Transient intermodulation distortion Measured with a 3 18 kHz square wave and a 15 kHz sine wave at 75 kHz FM 0 1 typical 0 05 5 400Hz SkHz gt 70 Stereo separation O Ta e RMS 75 kHz peak HPF 20Hz LPF 23 kHz 50S de emphasis L amp R demodulated gt 80 Typical 83 Qpk 75 kHz peak CCIR weighted 50 uS de emphasis L amp R demodulated gt 70 Typical 73 Qpk 40 kHz peak CCIR weighted 50 pS de emphasis L amp R demodulated gt 67 Typical 70 Frequency Response 30Hz 1 5kHz 0 5 Total Harmonic Distortion THD N 30Hz 15kHz lt 0 05 Intermodulation distortion Measured with 1 KHz and 1 3 KHz tones 1 1 ratio modulation at FM 75 kHz 0 03 Transient intermodulation distortion Measured with a 3 18 kHz square wave and a 15 kHz sine wave at 75 kHz FM 0 1 typical 0 05 400Hz SkHz 70 Stereo separation One TT SENS S60 Main Sub Ratio 30Hz 15kHz gt 40 typical 45 Frequency response 0 05 Connector XLR F ete Type balanced or externally unbalanced Impedance 10 k or 600 Input Level Adjustment Range 12
49. pose and 1 for mains alarm signalling or 4 input for P A telemetry purpose and 2 for I2C function FWD and RFL Foldback Digital level Interlock Remote outputs Telecon Cooling Digital level 2 relay for general telecontrol purpose or 2 relay for power good output or 1 relay for power good signalling or 1 relay for audio alarm signalling Yes Forced with internal fan Acoustic Noise lt 56 EN 6021 989 safety EN 602157A1 1992 07 EN 60215 7A2 1994 09 EMC ETSI EN 301 489 11 V1 2 1 ETSI EN 301 489 11 V1 4 1 Spectrum Optimization ETSI EN 302 018 1 V1 1 1 ETSI EN 302 018 2 V1 1 1 42 48 Rev 1 0 08 05 06 User Manual PTX DDS 87 5 108 87 5 108 By software with 1 10 100 or 1000 kHz By software with 1 10 100 or 1000 kHz 100 150 Direct Digital Synthesis Direct Digital Synthesis Mono Stereo Multiplex AES EBU e Mono Stereo Multiplex AES EBU e O to 50 operational 10 O to 50 operational 10 1 1 150 150 O 50 CCIR 75 FCC O 50 CCIR 75 FCC gt 80 85 typical gt 80 85 typical z 60 60 SO SO Continuously variable by software from O to maximum Without condensing Meets or exceeds all FCC and CCIR rules Selectable by software Meets or exceeds all FCC and CCIR rules gt 85 typical 90 gt 85 typical 90
50. r channel expressed in decibel The adjustment of the level is available in step of 0 1 dBu from 12 5 to 5 0 dBu Rev 1 0 08 05 06 User Manual PTX DDS 7 4 3 7 1 T U and A G C setting Submenu ITU This menu provides the ITU International Telecommunications Union and AGC Automatic Gain Control setting of the exciter FEU ITUlev AGC AGC LR AGC AGC X User Manual ITU On ITULev 00 AGC OFF JAGC LR 00 AGC OFF JAGC X 00 E Exit Figure 7 24 Selection of the ITU functionality status The status can be set On ITU enabled or Off ITU disabled Visualization of the ITU level expressed in decibel Selection of the intervention speed selection for the left and right channels The status can be set OFF intervention disabled SLOW slow intervention speed MIDDLE medium intervention speed or FAST rapid intervention speed Selection of the intervention level for the left and right channels expressed in decibel The adjustment of the level is available in step of 0 1 dB from 0 to 12 0 dB Selection of the intervention speed selection for the composite channel The status can be set OFF intervention disabled SLOW slow intervention speed MIDDLE medium intervention speed or FAST rapid intervention speed Selection of the intervention level for the composite channel expressed in decibel The adjustment of the level is available in step of 0 1 dB from 0 t
51. r is full the previous alarms stored will have replaced with the new one normally it visualized the last alarm saved in memory To change the alarm displayed press the encoder turn until the indicator is highlighted on the Alarm label and then press again to confirm Select one of the twenty alarms choose itself from the list of alarms 1 20 using the encoder If the user confirm or doesn t confirm the new value i e the button is not pressed the cursor stops blinking and remains on the first alarm stored To erase all the stored events use again the encoder move cursor to RESET and confirm reset operation To exit from this submenu rotate the encoder until the EXIT label is is highlighted then press the encoder to confirm and return to Maintenance submenu navigation Alarm 1 RESET Date Time Name ERENE exit Figure 7 15 Alarm Visualization and selection of the stored alarm number Reset Selection for the alarms reset this operation erases all stored events Date Visualization of the alarm record date expressed as dd MM yy Time Visualization of the alarm record time expressed as HH mm Name Visualization of the of stored alarm name User Manual Rev 1 0 08 05 06 25 48 PTX DDS 7 4 2 11 LS 26 48 Firmware informations submenu Info This menu provides general information on the firmware installated and jumper setting in the exciter
52. rations may be grouped into two broad categories start up and normal operation Using the encoder The interaction between the user and the exciter s control software is performed using the encoder Turn the encoder counterclockwise d Turn the encoder clockwise to to move the cursor downwards to VAEN N move the cursor upwards to in decrease the value of a parame sf SA crease the value of a parameter ter or to choose an element from l or to choose an element from a a list of possibilities list of possibilities Push the button once to enter in the desired menu to enter in modification mode or to confirm a choice 12 48 Figure 7 1 The possible operations that you can carry out 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 from a list of options The rotation of encoder causes the lighting of the display in case it is not been lighted 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 mode the cursor starts blinking after the modification of a parameter push the button to save the new value
53. s Visualization of TA Traffic Announcement status Visualization of TP Traffic Program identification status Visualization of MS Music Speech status Rev 1 0 08 05 06 23 48 PTX DDS 7 4 2 9 External status submenu EXTsSt 24 48 This menu provides general information on the external analogic status V1 V2 V3 V4 V5 V6 MAINS v1 0 00 v2 0 00 v3 0 00 v4 0 00 v5 Disabled v6 Disabled MAINS Disabled Maint Figure 7 14 Visualization of the input voltage on pin 6 of REMOTE connector expressed in Volts max 5 V Visualization of the input voltage on pin 13 of REMOTE connector expressed in Volts max 5 V Visualization of the input voltage on pin 5 of REMOTE connector expressed in Volts max 5 V Visualization of the input voltage on pin 12 of REMOTE connector expressed in Volts max 5 V Visualization of the input voltage on pin 4 of REMOTE connector expressed in Volts max 5 V or if disabled for IIC function Visualization of the input voltage on pin 11 of REMOTE connector expressed in Volts max 5 Volts or if disabled for IIC function Visualization of the MAINS input status if enabled on pin 11 of REMOTE connector Rev 1 0 08 05 06 User Manual PTX DDS ELETTRONICA 7 4 2 10 Alarms list submenu AlmLt This menu provides general information on the last twenty alarms stored in a non volatile memory from the exciter In case the buffe
54. sed in percent Rev 1 0 08 05 06 17 48 PTX DDS 7 4 2 3 Audio level submenu AuLev 18 48 This menu provides general information on the input audio level measures of the exciter Ana Ana Dig Dig MPX Ana Ana Dig Dig MPX Maint Figure 7 8 Visualization of the right analogic channel level expressed in decibel dBu Visualization of the left analogic channel level expressed in decibel dBu Visualization of the left digital channel level expressed in decibel dBfs Visualization of the left digital channel level expressed in decibel dBfs Visualization of the composite channel level expressed in decibel dBu Rev 1 0 08 05 06 User Manual PTX DDS 7 4 2 4 Audio control submenu AuCnt This menu provides general information on the audio control measures of the exciter Clip ClipLR Clip M PhsAna PhsDig PhsMPX User Manual Clip OFF ClipLR 00 0 dB Clip M 00 0 dB PhsAna Normal PhsDig Normal PhsMpx Maint Figure 7 9 Visualization of the clipper status Visualization of the clipping level regulation for the right and left channels expressed in decibel Visualization of the clipping level regulation for the composite channel expressed in decibel Visualization of the analogic channels phase modality It maybe normal or inverted Visualization of the digital channels phase modality It maybe nor
55. tatus can be set Stereo sterophonic mode Stereo RDS stereophonic with RDS mode Mono monophonic mode or Mono RDS monophonic with RDS mode Selection of the preemphasis selection expressed in microseconds The adjustment of the value is available in step of 0 uS 50 uS and 75 uS Selection of the level correction adjustment of the pilot generated expressed in decibel The adjustment of the level is available in step of 0 1 dB 12 5 dB Selection of the level correction adjustment of the pilot generated expressed in degrees centigrade The adjustment of the level is available in step of 0 1 12 5 Rev 1 0 08 05 06 33 48 PTX DDS 7 4 3 6 Output regulation submenu OuReg 34 48 This menu provides the output level setting of the exciter Digs R Dig L MPX Monit Dig R 00 dBf Dig L 00 dBf MPX 00 dBu Monit 00 dBu REREWS Exit Figure 7 23 Selection of the ouput level for the right digital channel expressed in decibel The adjustment of the level is available in step of 0 1 dBfs 12 5 dBfs Selection of the ouput level for the left digital channel expressed in decibel The adjustment of the level is available in step of 0 1 dBfs 12 5 dBfs Selection of the ouput level for the composite channel expressed in decibel The adjustment of the level is available in step of 0 1 dBu from 12 5 to 5 0 dBu Selection of the ouput level for the Monito
56. vailable in step of 1 min from 0 to 240 min Selection of the power recovery intervention in case of PPS signal lack The adjustment of the value is available in step of 1 min from 0 to 240 min Selection of the power reduction intervention in case of GPS signal failure The adjustment of the value is available in step of 1 min from 0 to 240 min Selection of the power recovery intervention in case of GPS signal failure The adjustment of the value is available in step of 1 min from 0 to 240 min Selection of the power reduction proportion in case of activation function espressed in percentage The adjustment of the value is available in step of 1 from 0 to 100 Selection of the audio delay for synchronization expressed in milliseconds The adjustment of the value is available in step of 100 uS from 0 to 10 mS Rev 1 0 08 05 06 37 48 PTX DDS 7 4 3 10 FSK submenu FSK 38 48 This menu provides the FSK Frequency Shift Keying setting of the exciter Enable Offset ReTime Code Enable OFF Offset 10 ReTime Code RVRCOD EMER Exit Figure 7 27 Selection of the FSK modality The status can be displayed ON FSK function enabled or OFF FSK function disabled Selection of the frequency offset of character transmission expressed in kilohertz The adjustment of the value is available in step of 1 kHz from 10 to 90 kHz Selection of the repetition time for Morse code tr
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