Elettronika AUTV/3500LD Скачать руководство пользователя страница 25

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BNC

SYGNAL TYPE

IN/OUT

FUNCTION

Contact

Digital

Input

FANS control Switch or TTL:

closed/GND = no FANS alarm

open/+5V = FANS alarm

Body

GND

FANS CONTROL Connector

PIN N° SYGNAL TYPE

IN/OUT

FUNCTION

Digital

Output

TX1_485Z-

Digital

Output

TX1_485Y-

GND

Digital

Input

RX1_485B-

Digital

Input

RS485 - DB9 Connector (Amplifiers communication)

PIN N° SYGNAL TYPE

IN/OUT

FUNCTION

GND

VDC +24V

24VDC LOAD FAN Connector

Содержание AUTV/3500LD

Страница 1: ...AUTV 3500LD LDMOS UHF TV Solid State Amplifier User s manual CODE APT137BM TITLE AUTV 3500LD REV 0 DATE 09 06 05 ...

Страница 2: ... 96 Km 113 70027 Palo del Colle Ba ITALY Tel 39 0 80 626755 Fax 39 0 80 629262 E mail elettronika elettronika it Web site http www elettronika it Registration number IT 17686 Registration number IT 24436 ...

Страница 3: ...llation 17 2 1 Operating environment 18 2 2 Preliminary operations 18 2 3 Telemeasuring socket connections 19 2 4 RS232 RS485 and AGC Socket connections 19 2 5 Preventive maintenance 20 Front panel 21 Rear panel 22 Section 3 Operation 23 3 1 Operation 24 3 2 Display 25 3 3 Menu 25 RF Powers 27 Power Supply 27 Log Alarms 27 Working timer 28 Thresholds 28 RMS Peak 29 Date Time 29 Display 29 Frequenc...

Страница 4: ... SCH0192AR0 200W UHF LDMOS Amplifier module 41 Calibration procedure 42 PN1010AR2 8 Way coupler for 1kW LDMOS 50 PN1014AR2 and PN1015AR2 a Way Wilkinson left and right 53 PN1057AR1 2 Way Wilkinson for 1 5kW LDMOS 56 SCH0223AR1 Control board and display 58 Description 58 Power Supply 59 Connectors 59 Firmware update 64 SCH0221AR0 Amplifier interface 75 SCH0215AR0 Mains distribution board 77 E0026 1...

Страница 5: ...the description and the type normally used The Elettronika S r l though reserves the right to use or supply as spare parts components with equivalent characteristics but of a different type assuring anyway the optimal work of the apparatus in accordance with the specifications The enclosed monographs are solely owned by Elettronika S r l The use of anything enclosed in this technical manual withou...

Страница 6: ...factory pack or equivalent which if needed may Desclaimer of consequential and incidental damages You are not entitled to recover from us any consequential or incidental damages resulting from any defect in our product This includes any damage to another product or products resulting from such a defect Warranty alterations No person has the authority to enlarge or modify this warranty The warranty...

Страница 7: ... the apparatus remember to read carefully the general safety information contained in this section follow the instructions for the installation and set up of the apparatus read all the remaining sections of this manual in order to know well the apparatus and learn how to obtain the best of its characteristics CONTENTS OF THE MANUAL The chapter composing this manual contain all the information conc...

Страница 8: ...g due care Elettronika S r l shall not be responsible for injury or damage resulting from improper procedures or from the use of improperly trained or inexperienced personnel performing such tasks During installation and operation of this equipment local building codes and fire protection standards must be observed WARNING Always disconnect power before opening covers doors enclosures gates panels...

Страница 9: ...f not breathing begin artificial breathing Tilt head pinch nostrils make airttght seal 4 quick full breaths Remember mouth to mouth resuscita tion must be commenced as soon as possible C CIRCULATION Check carotid pulse If pulse absent begin artificial circulation Approx 80sec 1 rescuer 15 compressions 2 quick breaths Approx 60sec 2 rescuers 5 compressions 1 breath NOTE DONOTINTERRUPTRHYTHMOFCOMPRE...

Страница 10: ... clothing or apply any salve or ointment treat victim for shock as required arrange transportation to a hospital as quickly as possible if arms or legs are effected keep them elevated NOTE 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...

Страница 11: ...11 LDMOS UHF TV AMPLIFIER AUTV 3500LD User s manual ...

Страница 12: ...ythreeRFmodulesinstalledinapowerrack themodulesarededicatedforthe VisionandSoundcarrierscommonamplification TheamplifiersemploysolidstateLDMOStechnologyin order to obtain wide band reliability and high efficiency Each RF module has a built in switching mode power supply unit self protected against overcurrents and overvoltages as well as overtemperature and VSWRforRFparameters Thecoolingsystemisfu...

Страница 13: ...ithout affecting the burst White limiter At 90 picture signal without affecting the chrominance Transmission characteristics Sideband spectrum response According to the standard Amplitude frequency response According to the standard Group delay variation without receiver pre correction and TV demodulator in flat 35ns Non linearity distortion 10 to 75 mod 5 Differential gain 10 to 75 mod 5 Differen...

Страница 14: ...ck Serial interface RS232 Full monitoring and management GENERAL Power supply voltage 3x380VAC 10 other on request Frequency 50 60Hz 5 Temperature operating range 0 to 45 C Altitude Upto2 500meters 2 500mwithadditionalcoolingsystem Power consumption cooling system included 10 2kVA black level Power factor 0 9 Cooling Forced air Dimensions Rack19 36U ...

Страница 15: ...AMPLIFIER CONTROL O MICROPROCESSOR CONTROLLED SYSTEM RS232 CODE APG012C TITLE AMPLIFIER CONTROL REV 1 DATE 10 02 04 ...

Страница 16: ...user indicates alarm conditions if any and allows to change some of the operating parameters of the apparatus Besides it realizes a serial data interface to an external system able to analyse the working parameters of the equipment using the RS232 and RS485 communicationprotocols 1 2 FUNCTIONS Atstart up thedisplayofAmplifierControlmoduleshowsaninformationalmessageconcerningtheequipment anditsfirm...

Страница 17: ...arrowinthepicture below is shown the gate symbol displays the status of the INTERLOCK in case of alarm this icon blinks andthebuzzerringgs The INTERLOCK signal is a control available to the user to manage an ON OFF sensor When the relevant PIN is grounded the Master board does not signal any alarm as soon as the PIN is left floating analarmisdetected therotatingscrewsymbolshowsthattheFANSworknorma...

Страница 18: ...unicatingbutswitchedoff ortheyarenotcommunicatingandtheINTERLOCK alarm contact is open a WARNING condition occurs buzzer on and blinking ALARM LED on the front panel while if it is the FANS alarm contact to be open the icon of the alarm appears in the box Further to any of these two alarms it is possible to choose whether to turn off the amplifiers or not In fact thereisasubmenuoftheSettingsmenuwh...

Страница 19: ...ealarmeventhasbeencommunicatedbyanamplifierconnectedtothecontrolmodule Theseevents are different and on option of the Settings menu allows to choose whether they are displayed or not in the alarmlist The saved alarm can be deleted by keeping simultaneously pressed theUP and DOWN keys The ESC key is used to go back to the main menu The picture shows a page of the list containing both alarms and gen...

Страница 20: ...canonlybecontrolledlocally andaremotecommandisignored If Remote is set instead the REMOTE LED on the front panel of the module lights up aftergoingbacktothemainscreen Fromthenon incomingremotecommands from either the serial port or the telemeasuring connector on the rear panel are handled Note 1 Clock Date FWD Read Mode Remote Control themenuisaccessed itispossibletochangethevalueofthedisplayedfie...

Страница 21: ...veral apparatuses located at the same site Enables disablesthebuzzerduringnormaloperation Select OFF to have the amplifiers turned off further to a FAN alarm if ON is selected they will stay on Select OFF to have the amplifiers turned off further to a INTERLOCK alarm if ON is selected they will stay on Select onlyalarms tostoreintheEEPROManddisplayinthemoduleLOG only detected alarms select all eve...

Страница 22: ...nt nominal power Then turn the trimmer B see mounting plan BOTTOM PN1071AR2 it is a variable resistor used to adjust the B analog input measure until you read approximately the same REF power value on the display UNB Calibration Connectawattmeterbeforethedummyload Givepowertotheamplifierthenturnoffoneslavemodule you willreadanamountofunbalancingpoweronthewattmeter TurnthetrimmerC seemountingplanBO...

Страница 23: ... AGC alarm 8 Digital Output 9 GND 10 Analog Output 11 Analog Output 12 Analog Output 13 Analog Output 14 Digital Input REMOTE AMPLIFIER ON OFF TTL if REMOTE ON then GND AMPLIFIER OFF 5V AMPLIFIER ON 15 Digital Output 16 Digital Output 17 Digital Output 18 Digital Output 19 Digital Output AGC alarm TTL GND AGC alarm 5V no AGC alarm 20 GND 21 5V 22 Analog Output FWD Power 0 5V 23 Analog Output REF P...

Страница 24: ...alog Input REF Power monitoring C Analog Input UNB Power monitoring D E F G PIN N SYGNAL TYPE IN OUT FUNCTION 1 GND 2 Digital Output AGC alarm TTL GND AGC alarm 5V no AGC alarm 3 Digital Output AGC alarm TTL GND AGC alarm 5V no AGC alarm 4 5 6 7 8 Analog Output FWD Power range 0 5V 9 Analog Output FWD Power range 0 5V ...

Страница 25: ...5V FANS alarm Body GND FANS CONTROL Connector PIN N SYGNAL TYPE IN OUT FUNCTION 1 2 Digital Output TX1_485Z 3 Digital Output TX1_485Y 4 5 GND 6 7 Digital Input RX1_485B 8 Digital Input RX1_485A 9 RS485 DB9 Connector Amplifiers communication PIN N SYGNAL TYPE IN OUT FUNCTION 1 GND 2 VDC 24V 24VDC LOAD FAN Connector ...

Страница 26: ...26 O MICROPROCESSOR CONTROLLED SYSTEM RS232 Front panel 1 3 4 5 6 7 2 DESCRIPTION 1 Status LEDs 2 Alarm LEDs 3 RS232 Socket 4 LCD Display 5 Function keys 6 RF Monitor connector 7 ON OFF Switch ...

Страница 27: ...se Holder by 10A 3 Driver1 Power socket 4 Driver2 Power socket 5 Fans Power socket 6 GND 7 Fuse by 1A 8 Fuse by 8A 9 24Vdc Connectors 10 AGC Socket 11 Telemeasures socket 12 Fans Control connector 13 RS485 Socket Amplifiers Communication 14 RS485 Socket Remote Control 15 Interlock connector 16 Power measurement connector ...

Страница 28: ...28 ...

Страница 29: ...UTAZIONE220VACxAPG012B 1 SCH0241AR0 SCHEDAIN OUTDIGITALSIGNALFORAPG012C 1 E0031 ALIM SWITCHINGS 60 24 1 07926 PROTEZIONEINGOMMAPVCPG087 1 02843 SPINASCHERM 2POLIcod 525 2552 1 02695 CONNETTOREDB9FxCAVOIU008059 1 02856 CONNETTOREDB25FxCAVO525 2812 1 07925 PROTEZIONEINGOMMAPVCPG075 1 07524A INTERR NERII3910 1 02018 GE35145D 22BN UG909 cxRG174 1 02035 PRESABNC FxRG316cod 60140 1 08500 CAVORG17450W 0 ...

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Страница 31: ...31 CONTROL AND DISPLAY BOARD SCH0239AR0 Component layout SCH0239AR0 Bottom and Top layer ...

Страница 32: ...32 ...

Страница 33: ...33 ...

Страница 34: ...34 ...

Страница 35: ...35 ...

Страница 36: ...36 ...

Страница 37: ...DESCHOTTKY5 5A 1 D9 DBAS85 S 03024SMDDIODESCHOTTKY 8 D1 8 DBAT54S 03199SMDSCHOTTKYDIODEA KT 6 D10 11 D14 16 D18 DISWG240128B 03083240 128DOTMATRIXLCD 1 LCD1 DLKA 3528SGC03057 03057GREENSMDLEDDIODE 1 DL1 DLLEDG303053 03053GREENLEDDIODE3mm 1 DL3 DLLEDR303058 03058REDLEDDIODE3mm 4 DL2 DL4 DL6 7 DLLEDY303051 03051YELLOWLEDDIODE3mm 1 DL5 IC24LC6404815 04815SMDINTEGCIRCUIT 1 IC7 IC74HC00 S4762A 4762ASMD...

Страница 38: ... SMD1206 2 R112 113 R1K0 S00041A 00041ARES1 4W5 SMD1206 5 R46 R54 R87 88 R104 R1K5 S00043A 00043ARES1 4W5 SMD1206 2 R110 111 R22K S00057A 00057ARES1 4W5 SMD1206 11 R18 R20 21 R28 R34 R36 R38 39 R41 R43 44 R2K2 S00045A 00045ARES1 4W5 SMD1206 8 R19 R35 R37 R42 R45 R53 R59 60 R330R S00035B 00035BRES1 4W5 SMD1206 2 R89 R103 R33R S00023A 00023ARES1 4W5 SMD1206 2 R86 R102 R470K S00073A 00073ARES1 4W5 SM...

Страница 39: ... 17 C4 20 CC1nF S01096 01096SMD1206COND 3 C1 3 JBNC 90G PCB2034 02034PCBCONNECTOR 3 J1 3 JBNC 90G PCB2034 N M BNC 90G 5 J4 8 JFC 16P02701 02700 02701 02700PCBCONNECTORPOL 1 J9 R0R0 S00001 00001RES1 4W5 SMD1206 6 R13 R15 R17 R19 R21 R23 R1206N M N M RES 1 4W 5 SMD 1206 18 R1 12 R14 R16 R18 R20 R22 R24 ZMICROSOIC8PN M SMDINTEGCIRCUITNOTMOUNTED 3 IC1 3 ...

Страница 40: ...40 ...

Страница 41: ...2kV01045A 01045ACERAMICCOND 3 C1 3 D1N414803001 03001DIODE 6 D1 6 FUSEOMEGAC1034 FUS00008PORTAFUSIBILE5x20D 1 F1 JCONHD515V 05 6PVE 02883 02884PANDUITPCBCONN 1 J1 JFC 10P02697 02699 02697 02699PCBCONNECTORPOL 1 J9 JVASCHETTAIEC 02879VASCHETTAFEMALEPCB 3 J6 8 JUJUMP202739 02742 02739 02742MASCHIOPAN2 1 JP1 RL40 31 24 7567CRELE 3 RLY1 3 ...

Страница 42: ...42 ...

Страница 43: ...1 FUSEOMEGAC1034 FUS00008PORTAFUSIBILE5x20D 1 F1 JBNC 90G PCB2034 02034PCBCONNECTOR 2 J2 3 JDB9 90G02797 02797PCBCONNECTOR 3 J4 6 JFC 16P02701 02700 02701 02700PCBCONNECTORPOL 1 J1 JSCREWCONN202853 02853PCBSCREWCONNECTOR 1 J7 JTESTP2 5mm07912 07912TESTPOINT 4 J8 11 R0R0 S00001 00001RES1 4W5 SMD1206 7 R3 9 R10K0053 0053RES1 4W5 1 R1 R1K00041 0041RES1 4W5 1 R2 ...

Страница 44: ...44 ...

Страница 45: ...0ms 50ms 10ms 115VAC 300ms 50ms 80ms 230VAC Withstand voltage I P O P 3kV I P FG 1 5KV 1min Working temp 0 50 C 100 10 C 80 60 C 60 Safety standards UL1012 UL1950 TUVEN60950 EMC Standards EN55022classB EN61000 4 2 3 4 5 EN60555 2 3 Connection 5P 9 5mm pitch terminal block Weight Packing 0 55kgs pcs 30pcs 17kgs 1CUFT S 60 24 SWITCHING POWER SUPPLY E0031 Type No Output Tol R N Effi P P S 60 5 5V 12A...

Страница 46: ...46 ...

Страница 47: ... C4 R8 22 103 50V C11 3 C9 47u 50V Q1 2SK727 1 R5 5 1 D2 FR104 R29 47K 2W 5 T1 C5 150u 400V R4 47K 2W V R3 30K 3W R2 330 3W 473 400V C7 7 D1 EGP20J 101 1KV C8 D4 D4 14 16 C20 R27 L2 C21 10 13 C22 C23 C24 R23 ZD3 JUMP R17 U2 PC111 R22 2K2 BYQ28X 200 RB009 RB009 RB009 BYQ28X 200 BYQ28X 200 BYQ28X 200 RB009 15K 15K 12K 7K5 15K 20K 1K5 24K 22K R17 R14 10K D4 L2 RB016 CTB34M 2K C10 472 50V R6 2 1K5 R18...

Страница 48: ...W5 HP 10T 52mm 1 R20 R C1 4W390W5 HP 10T 52mm 1 R23 R C1 4W470W5 HP 10T 52mm 1 R21 R C1 4W680W5 HP 10T 52mm 1 R10 R C1 4W820W5 HP 10T 52mm 1 R9 R C1 4W1kW5 HP 10T 52mm 1 R13 R C1 4W2kW5 HP 10T 52mm 1 R18 R C1 4W2 2kW5 HP 10T 52mm 1 R22 R C1 4W4 7kW5 HP 10T 52mm 1 R26 R C1 4W5 1kW5 HP 10T 52mm 2 R12 R7 R C1 4W7 5kW5 HP 10T 52mm 1 R11 R C1 4W15kW5 HP 10T 52mm 1 R14 R C1 4W20kW5 HP 10T 52mm 2 R17 R19...

Страница 49: ...Z5V 1 C29 C E150u 400V85 C30x25HP3 1 C5 C E47u 50V105 C6 3x11KM 1 C9 C E330u 35VLL3K10x16YXG 3 C21 C24 C25 BD4A 600VGLASSD3SB60 1 BD1 FRD1A 400VFR104T 52mm 2 D2 D8 SFRDBYQ28X 20010A 200VTO220F 1 D4 SFRDEGP20J2A 600VT 52mm 1 D1 ZD1 2W26 9V2 27 2T 52mm 1 ZD2 LEDGREEN204GD A 1 LED1 FET2SK26526A 900VTO3P 1 Q1 SHR4312 5V2 MM1431AT 1 SHR1 PHOTOCNX82APC111 1 U2 PHOTO TRIACMOC3022 1 U3 PWMTL3842PTI 1 U1 R...

Страница 50: ...50 ...

Страница 51: ...51 LDMOS UHF TV AMPLIFIER AUTV 1500LD User s manual ...

Страница 52: ...52 This page is intentionally blank ...

Страница 53: ...53 _______________________________________________________________________________________________ Section 1 Information Contents 1 1 Description 1 2 Technical characteristics ...

Страница 54: ...ation and maintenance procedures The amplifiers modules employ all solid state LDMOS technology in order to obtain high gain wide band performances very good linearity reliability and high efficiency The equipment design allows the soft degradation RF power loss for several transistor faulty in fact the outputcombinerusesRFpowerresistorsforunbalancingpowerdissipation Theunitisenclosedinacabinet fo...

Страница 55: ...tor 7 16 GENERAL Power supply 230Vac 10 50 60Hz 400Vac 3P N on request Power consumption 3400VA at black level RS232 Socket DB9 Connector on front panel RS485 Socket DB9 Connector on rear panel Telemeasuring socket DB9 Connector on rear panel AGC Socket DB9 Connector on rear panel Power factor 0 9 Ambient temperature 5 to 45 C Relative humidity 20 90 Altitude Up to 2 500 meters Cooling Forced air ...

Страница 56: ...56 This page is intentionally blank ...

Страница 57: ...__________________________________________ Section 2 Installation Contents 2 1 Operating environment 2 2 Preliminary operations 2 3 Telemeasuring socket connections 2 4 RS232 RS485 and AGC socket connections 2 5 Preventive maintenance Front panel Rear panel ...

Страница 58: ...rth connectionsmustbeinstalledwiththegreatestcare Theequipmentadjustmentisn tneed becausetheunitis completelyadjustedbyourtechnicalstaff Thisistheinstallationprocedure 1 connect the power supply cable of the exciter to the auxiliary socket on the rear panel of the amplifier 2 connect the power supply cable of the amplifier to the electric network 230VAC If there is the Isolator Transformer theampl...

Страница 59: ...is 0 the output power can be slowly increased At maximum output power some watts might be shown as reflected power 2 3 TELEMEASURING SOCKET CONNECTIONS DB9 Socket 2 4 RS232 RS485 AND AGC SOCKET CONNECTIONS PIN N SIGNAL TYPE IN OUT FUNCTION 1 Analog Output FWD Power 2 Analog Output REF Power 3 Digital Output Temperature 4 Digital Input Interlock 5 GND 6 7 Digital Output Free contact closed when ala...

Страница 60: ...will ensure continuous functioning of the front panel controls 3 if the apparatus has not been used for a long period of time combined with exposure to extreme environ mentalconditions opentheunitandmakeavisualinspection Remove salt water or ice with a moist cloth before turning the apparatus on Check that the cooling fans are runningfreely 4 for general maintenance and top performance call an aut...

Страница 61: ...61 Front panel 1 2 3 4 5 6 DESCRIPTION 1 LCD Display 2 Function keys 3 Status LEDs 4 RF Monitor connector 5 Main switch 6 RS232 Socket ...

Страница 62: ...62 Rear panel 1 2 3 4 7 6 9 8 5 DESCRIPTION 1 Breaker 2 Power supply socket 3 Auxiliary socket 4 Fuse 5 RS485 Socket 6 AGC Socket 7 Telemeasure socket 8 RF Input connector 9 RF Output connector ...

Страница 63: ...63 _______________________________________________________________________________________________ Section 3 Operation Contents 3 1 Operation 3 2 Display 3 3 Menus ...

Страница 64: ...blem to trigger a definitive protection status the failed block is turned on again after some seconds for up to five times Ifitgoesbeyondtheprotectionthresholdformorethanfivetimes itisdeclaredasFAILEDanditwill nolongerbeturnedon Inthiscase theamplifierwillhavetobeturnedoffmanuallybymeansoftheswitchon thefrontpanel thenturnedonagainafterperformingtheneededmaintenance On the front panel there are al...

Страница 65: ...ayedincaseofalarm Itblinksiftherehasbeenanalarmwhichhasended but has not yet been seen by the user It stops blinking once the Log has been checked Theinterlocksymbolisdisplayedonlywhenthisfunctionisenabled Itmaybeeitheracloselock asinFigure 3 when there is no alarm interlock chain closed or an open lock in case of alarm interlock chain open Since the status bar is always showed on the display rega...

Страница 66: ...ngtheRETkey Menu entries with an arrow on the right open sub menus when chosen Thus there is a hierarchical structure as in Figure 5 Togo back from a sub menu to the previous menu press the ESC key If the ESC key is pressed in the main menu the RF powers screen is accessed Figure 5 Hierarchical menu structure Allmenuitemsaredescribedindetailbelow ...

Страница 67: ...n Figure 6 Power supply screen Log Alarms ThecontrolboardisprovidedwithanexternalEEPROMandaclock Anyalarmorswitchingeventwiththe time at which it occurred is saved in the EEPROM The Log Alarms sub menu allows to manage this log It is possible to see the events stored in the log by selecting Log Alarms View Log Alarms All events canbescrolledbypressingtheUPandDOWNkeys Forexample theeventshowninFigu...

Страница 68: ...yworking ThemenuentryWorkingTimer ViewTimerallowstocheckthehours for which the timer has been enabled Working Timer Timer Reset resets the timer Thresholds This is a screen showing the alarm threshold of each signals monitored by the control board The list can be scrolled by means of the UP and DOWN keys EVENT DESCRIPTION Local ON Amplifier turned on by means of the local switch Local OFF Amplifie...

Страница 69: ...menu and discard any change made press the ESC key Figure 8 shows an example of this screen Figure 8 Date and time setting screen Display ThemenuentrySettings Display allows to change some settings of the display such has back light contrast and screensaver The back light and the contrast are set by means of the UP and DOWN arrow keys The changes made are saved by pressing the RET key or discarded...

Страница 70: ...ws to choose the stand alone mode or set a slave address by means of the UP and DOWN arrow keys ThechangesmadearesavedbypressingtheRETkeyordiscardedpressingtheESCkey Anexampleofthis screen is shown in Figure 10 Figure 10 Slave address setting screen Remote Theamplifiermaybecontrolledeitherlocally bymeansofthekeysanddisplay orremotely Therearethree possibilitiesforremotecontrol using a direct seria...

Страница 71: ...se if the interlock chain is closed no alarm or open if it is open alarm Firmware Release ThemenuentrySettings Firmware Release allows to display the firmware version number and the hardwarereleaseoftheamplifier Serial Number ThemenuentrySettings Serial Number allows to display the serial number of the apparatus ...

Страница 72: ...72 This page is intentionally blank ...

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