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User Manual

Rev. 1.0 - 29/11/16

ELETTRONICA

PTX1000DDS

8.3.3 Clipper function

The CLIPPER function cuts all signals above 0dB.

The Clipper on audio inputs is filtered to avoid compromising on pilot tone, RDS

signal, and any SCA.

The Clipper on MPX input is for security, it cuts the signals in surplus but does not

give any protection on pilot tone, RDS and SCA. The distortion of clipper is still

contained within the 100 KHz of bandwidth allocated to this input.

Содержание PTX1000DDS

Страница 1: ...PTX1000DDS USER MANUAL VOLUME1 Prodotto da R V R ELETTRONICA S p A Italia...

Страница 2: ...Stampato in Italia Nessuna parte di questo manuale pu essere riprodotta memorizzata in sistemi d archivio o trasmessa in qualsia si forma o mezzo elettronico meccanico fotocopia registrazione o altri...

Страница 3: ...al requirements and other relevant provisions of Directive 1999 5 CE R TTE and therefore carries the CE mark The conformity assessment procedure referred in Article 10 and detailed in Annex III of Dir...

Страница 4: ...ii User Manual Rev 1 0 29 11 16 ELETTRONICA PTX1000DDS Specifiche Tecniche...

Страница 5: ...ector Pinouts 7 5 Quick guide for installation and use 9 5 1 Using the encoder 9 5 2 Preparation 10 5 3 First power on and setup 11 6 Operating System 16 6 1 Start up 16 6 2 Operating System 16 6 3 Me...

Страница 6: ...iv User Manual Rev 1 0 29 11 16 ELETTRONICA PTX1000DDS Pagina lasciata intenzionalmente in bianco...

Страница 7: ...bility for any errors or inaccuracies in this manual including the products and the software described herein R V R Elettronica S p A reserves the right to make changes to equipment design and or spec...

Страница 8: ...Figure 4 Figure 5 One rescuer give 2 quick rescue breaths after each 15 compressions Two rescuers one rescue breath after each 5 compressions Do not stop chest compressions while giving artificial bre...

Страница 9: ...DDS 02SCA DDS EXPRDS DDS TLW DDS E TLW DDS AOIP SFN DDS 08DIG DDS 09DIG DDS 10MHZ DDS 02SCA DDS EXPRDS DDS x x TLW DDS E x x TLW DDS AOIP x x compatible option option already included x not compatible...

Страница 10: ...ency Enabling or disabling of the power output delivery Measurement and visualization of the working parameters On the rear panel is placed the audio section which allows the interfacement with other...

Страница 11: ...s switched on 6 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 tem...

Страница 12: ...l devices such as GPS receiver 17 INTERLOCK IN BNC connector for interlock In case of central conductor is connected to ground the transmitter is placed into forced standby mode 18 EXT AGC RFL Trimmer...

Страница 13: ...ital output Normally open relay contact 8 GND GND 9 GND GND 10 Ext Rfl Pwr Analogue input for reflected power from external amplifier 11 Analogue Input 6 0 5V or I2 C bus SCL or mains alarm input sign...

Страница 14: ...PUT 2 Reserved 3 Reserved 4 NC 5 GND 6 Reserved 7 GND 8 NC 9 NC 4 5 5 RDS REMOTE Type DB9 male 1 GND 2 RDS MS 3 RDS TA 4 RDS TP 5 3V3 6 Reserved 7 Reserved 8 Reserved 9 Reserved 4 5 6 Ethernet Optiona...

Страница 15: ...e sure to have the Final Test Table supplied with the equipment ready at hand throughout the whole procedure the Final Test Table lists all operating parameters as set and tested at the factory 5 1 Us...

Страница 16: ...efault menu and after 5 minutes of inactivity the display lighting will be turning off 5 2 Preparation 5 2 1 Preliminary checks Unpack the transmitter and immediately inspect it for transport damage E...

Страница 17: ...result Ensure that the POWER switch on the front panel and the switch on the rear panel are set to OFF Connect the mains power cable to the MAINS terminal board on the rear panel Note The mains must b...

Страница 18: ...ait at least 15 seconds from the power on of PTX1000DDS 5 3 3 Power check Question The equipment doesn t work correctly at the power set up Answer Ensure that the INTERLOCK light turns off It indicate...

Страница 19: ...ol is in limited power mode 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...

Страница 20: ...ot used Not used 8 SW2 Not used Not used Table 5 2 Dip Switch configurations 5 3 6 How to enable Local mode Question The equipment don t accept command through Control knob Answer Check current mode s...

Страница 21: ...TC C CH H H S S SW W W1 1 1 D D DI I IP P P S S SW W WI I IT T TC C CH H H S S SW W W2 2 2 Figure 5 3 Dip Switch ON position OFF position 1 2 SW1 L R Input Impedance 600 L R Input Impedance 10 k 1 2 S...

Страница 22: ...during the start up operation don t press or turn the encoder PTDS 000100 01 08 2005 BIOS 000300 01 08 2005 Figure 6 1 Otherwise in substitution of the RVR logo are available informations regarding eq...

Страница 23: ...re are present all the equipment settings The visualization menu and the measure description can be available in several languages depending the version 6 2 1 2 Input modulation deviation bar Vmeter T...

Страница 24: ...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 or to the Administrat...

Страница 25: ...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 automatically 6 3 2 1 RF mea...

Страница 26: ...feeding voltage of power amplifier expressed in Volt IPA Visualization of the absorbed current of power amplifier expressed in Ampere VCO Visualization of the voltage applied to VCO section expressed...

Страница 27: ...0 dBr MX SCA 00 0 dBr Maint Figure 6 7 Ana R Visualization of the right analogic channel level expressed in decibel dBr Ana L Visualization of the left analogic channel level expressed in decibel dBr...

Страница 28: ...Maint Figure 6 8 Clip Visualization of the clipper status ClipLR Visualization of the clipping level regulation for the right and left channels expressed in decibel Clip X Visualization of the clippi...

Страница 29: ...io 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 Visualizat...

Страница 30: ...onit 00 0 dBu Pilot 00 0 dBu Maint Figure 6 10 Dig R Visualization of the ouput level for the right digital channel expressed in decibel dBfs Dig L Visualization of the ouput level for the left digita...

Страница 31: ...isualization of the ITU functionality status ITUlev Visualization of the ITU level expressed in decibel ITUadj Visualization of the ITU level adjustment expressed in decibel dBr AGC Visualization of t...

Страница 32: ...gure 6 12 DSN Visualization of the DSN put on the air Data Source Name PS Visualization of the text put on the air Program Service PI Visualization of the code put on the air Program Identification PT...

Страница 33: ...ge on pin 13 of REMOTE connector expressed in Volts max 5 V V3 Visualization of the input voltage on pin 5 of REMOTE connector expressed in Volts max 5 V V4 Visualization of the input voltage on pin 1...

Страница 34: ...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...

Страница 35: ...000300 App PTDS 000100 Pan PDDS 000100 Aud TRDP 000100 Tab PDDS 0150 01 Jumper 12345678 12345678 Maint Figure 6 15 Bios Visualization of the bios release code App Visualization of the application rele...

Страница 36: ...t Not in use Maint Figure 6 16 SCN Visualization of the Service Centre Number Nam Visualization of the customer number manager SigLev Visualization of the GSM signal level received in antenna expresse...

Страница 37: ...al 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...

Страница 38: ...cale comes reached during the setting you will bring back to beginning of scale This editable parameter is expressed in megahertz F Step Selection of the step for the regulation of the working frequen...

Страница 39: ...tput power exceeds this percentage of nominal power For example assuming that power set in the default menu is 70 of machine rated power i e PTX1000DDS 70 x 1000W 700W and PG1 is set to 80 in the menu...

Страница 40: ...of the level is available in step of 0 1 dBu 12 5 dBu Dig R Selection of the left digital channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBfs from 0 to 25...

Страница 41: ...nnels phase modality It maybe normal or inverted convenient when measuring Sub to Main The status are reproduced in the table below Ph Dig Selection of the digital channels phase modality It maybe nor...

Страница 42: ...justment of the pilot generated expressed in degrees centigrade The adjustment of the level is available in step of 0 1 12 5 Mode A Mode D Mode X Description Stereo x x x Stereophonic mode Stereo RDS...

Страница 43: ...level is available in step of 0 1 dBfs from 12 5 to 0 dBfs Dig L 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...

Страница 44: ...le in step of 0 1 dBr 3 dBr AGC 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...

Страница 45: ...ON Level 0 mV Phase 0 0 Admin Exit Figure 6 24 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...

Страница 46: ...PpsRec 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 Gpsint Selection of the power reduction inter...

Страница 47: ...disabled Offset 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 ReTime Selection of the r...

Страница 48: ...adjustment of the value is available step of 1 s from 0 to 240 s ExtFWD Selection of the alarm activation level in case of external forward power lack expressed in percentage The adjustment of the le...

Страница 49: ...threshold level adjustment expressed in decibel dBr The adjustment of the level is available in step of 0 2 dBr from 18 to 0 dBr MPXlev Selection of the composite threshold level adjustment expressed...

Страница 50: ...address for I2 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 Selec...

Страница 51: ...in a memory be reset YES NO Time remaning 09 Second Figure 6 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 enc...

Страница 52: ...dule replacement easier 7 1 Top View The figure below shows the equipment top view with the various component pointed out Figure 7 1 1 RS232 slot card 2 Remote interface card 3 TRDSP card 4 FM modulat...

Страница 53: ...y power supply 4 Main power supply 5 RS232 slot card 6 Fan control card of secondary power supply 7 Fan control card of main power supply 8 USB connector card 7 3 Power supply unit The PTX1000DDS powe...

Страница 54: ...ng 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...

Страница 55: ...ic 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...

Страница 56: ...ependently on left and right input as the value is relative to the input level set The threshold refers to reading so first of all audio processing such as PB Preemphasis Clipper ITU or A G C The inpu...

Страница 57: ...via MIXER parameter The following table that sorts the sources depending on the MIXER setting from the table is possible to learn when they can use SCA inputs and what kind of emergency signals are co...

Страница 58: ...r enter in action or exit from alarm condition the switching between inputs takes place according to the timetable set in the Alarms rescuer submenu Aresc Alarm occurred time from state 1 to 2 and fro...

Страница 59: ...emphasis etc and needs to keep the audio signal at 0dBu level avoiding to have signals continuously low or that continuously takes up the CLIPPER The control is set with an absolute level i e 4dB whic...

Страница 60: ...he Clipper on audio inputs is filtered to avoid compromising on pilot tone RDS signal and any SCA The Clipper on MPX input is for security it cuts the signals in surplus but does not give any protecti...

Страница 61: ...____________________________________________________________ ______________________________________________________________________________ ____________________________________________________________...

Страница 62: ...____________________________________________________________ ______________________________________________________________________________ ____________________________________________________________...

Страница 63: ...____________________________________________________________ ______________________________________________________________________________ ____________________________________________________________...

Страница 64: ...104 e mail info rvr it web http www rvr it The RVR Logo and others referenced RVR products and services are trademarks of RVR Elettronica S p A in Italy other countries or both RVR 1998 all rights res...

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