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R.V.R. Elettronica VJ2000, Руководство пользователя

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VJ2000

4 / 4 - 

Alarms Card

Technical Appendix

Rev. 1.0 - 26/02/01

   28      18

D1,D2,D3,

1N4148

SILICON DIODE

DIS1N4148

D4,D8,D9,

D10,D11,

D12,D13,

D14,D15,

D17,D18,

D19,D21,

D22,D23

   29       1

D16

1N4001

SILICON DIODE 50V

DIS1N4001

   30       1

W1

WL04

DIODE BRIDGE 1.5A

PNRWL04

   31       1

D20

Z6V8

ZENER DIODE 6.8V 0.4W

DIZ6V80W4

   32       1

IC5

7815

POS. STABILIZER 1A

CIL7815P

   33       2

Q2,Q3

BC237

NPN  TRANSISTOR

TRNBC237

   34       1

Q4

BD140

PNP  TRANSISTOR

TRNBD140

   35       1

IC2

NE555

TIMER

CIL555

   36       2

IC3,IC4

4040

CMOS DIVIDER MOTOROLA CID4040

   37       1

  IC1

LM3900

NORTON QUAD AMP.

CILLM3900

Содержание VJ2000

Страница 1: ...Prodotto da Italia VJ2000 User Manual...

Страница 2: ...x 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 eletronic...

Страница 3: ...btain 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 tra...

Страница 4: ...This page intentionally left blank...

Страница 5: ...pply 10 5 3 Protection Card 10 5 4 Tube 10 6 Installation Procedure 25 6 1 Introduction 25 6 2 Unpacking 25 6 3 Fitting the Tube 25 6 4 Connection and Setup Procedures 25 6 5 Fault Finding during the...

Страница 6: ...TURE 35 8 8 Calibration of the PWR Meter REF PWR LECTURE 36 9 Connectors Description 41 9 1 Telemetry Connector 41 10 Telemetry Card Option 42 10 1 Calibration of the Voltages on the Telemetry connect...

Страница 7: ...t assume responsibility for injury or damage resulting from improper procedures or practices by untrained unqualified personnel in the handling of this unit Please observe all local codes and fire pr...

Страница 8: ...d to R V R within five 5 days from its receipt To claim your rights under this warranty a Contact the dealer or distributor where you purchased the unit Describe the problem and ask if he has an easy...

Страница 9: ...ntion all the problems found and a copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be order from the following address Be sure to includ...

Страница 10: ...ry 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 comm...

Страница 11: ...evated 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...

Страница 12: ...The amplifier features motorized anode and load matching across the entire operational band The VJ2000 is available in single phase version or three phase version 4 3 Controls and Indicators Three an...

Страница 13: ...ection System The VJ2000 features protection against excess VSWR excess grid current opening of panels with the unit active and insufficient ventilation Under abnormal conditions the unit will be auto...

Страница 14: ...Hz others on request Output Power 1800 2000 Watts RF Output Impedance 50 Ohm RF Output Connector LC Connector EIA 7 8 Flange EIA 7 16 Flange RF Input Impedance 50 Ohm RF Input Connector N type connect...

Страница 15: ...DIMENSIONAL AND ENVIRONMENTAL SPECIFICATIONS Rack Dimensions 540 mm 21 26 W 590 mm 23 23 D 965 mm 37 99 H Panel Dimensions 483 mm 19 W 533 4 mm 21 H Weight approx 130 Kg Operating Temperature Range fr...

Страница 16: ...upplies various functions such as relays and the protection system This power supply is designed to work at single phase voltages three phase is available on request 5 3 Protection Card This card is m...

Страница 17: ...ode Input 38 5 pF Output 0 1 pF Input Output 10 2 pF Capacitance with Grounded Grid Input 38 5 pF Output 10 2 pF Input Output 0 1 pF Amplification Factor 200 Transconductance 55 000 mhos Recommended S...

Страница 18: ...D BLOWER TECHNICAL SPECIFICATIONS Model Type G2E 180 AA 03 01 Voltage 220 V Frequency 50 60 Hz Air Volume 535 m3 h Speed 2450 min 1 Input 300 W Current Consumption 1 38 A Capacitor 8 F Noise Level 66...

Страница 19: ...TE Switch for the selection of heater or plate voltage measurement 8 TUNING Motorized tuning switch 9 LED 87 5 Led to indicate that tuning has reached end of range at 87 5 MHz Off signifies end of ran...

Страница 20: ...26 02 01 21 AIR FILTER Air filter for power supply 22 HT PANEL Internal access to RF chamber 23 RESTART Alarms Reset only in the version with telemetry option 24 ALARMS CARD ON Alarms Card On only in...

Страница 21: ...VJ2000 15 44 USER MANUAL Rev 4 0 26 02 01 FIG 1...

Страница 22: ...iary transformer 2 Anode supply filter capacitor 3 High voltage rectifier board 4 Anode supply transformer 5 High voltage resistor 6 Anode delay timer 7 Solenoid switch 8 Line fuse holders 9 Line powe...

Страница 23: ...VJ2000 17 44 USER MANUAL Rev 4 0 26 02 01 FIG 2...

Страница 24: ...Plate tuning control motor 3 Output connector to antenna 4 End of tuning range switch 87 5 Mhz 5 Directional coupler for output power measurement 6 Line 7 Tube 8 End of tuning range switch 108 Mhz 9...

Страница 25: ...VJ2000 19 44 USER MANUAL Rev 4 0 26 02 01 FOTO 1 3 1 2 5 7 11 9 4 6 8 12 10...

Страница 26: ...VJ2000 20 44 USER MANUAL Rev 4 0 26 02 01 R F BLOCK VIEW 1 DESCRIPTION PHOTO 2 1 Plate tuning control motor 2 Cooling air outlet 3 Air Flow switch 4 Air Blower 5 Alarms Card 6 Hours Meter...

Страница 27: ...VJ2000 21 44 USER MANUAL Rev 4 0 26 02 01 FOTO 2 1 2 3 6 5 4...

Страница 28: ...2 End of tuning range switch 87 5 Mhz 3 Input Matching Card 4 Load tuning control motor 5 Tube Socket Type SK2210 6 End of tuning range switch 108 Mhz 7 Multipolar circolar connector 8 Voltmeter Card...

Страница 29: ...VJ2000 23 44 USER MANUAL Rev 4 0 26 02 01 FOTO 3 10 11 8 3 9 1 2 7 6 5 4...

Страница 30: ...AL Rev 4 0 26 02 01 TABLE E TYPICAL VALUES OF THE OPERATING PARAMETERS Power Voltage Nominal Tension 5 MAX COS FI better than 0 9 Output Power 2KW Input Power 55 65W Anode Current 0 9A Grid Current or...

Страница 31: ...of the grid ring 5 Shut the high voltage panel and re fit all the screws 6 4 Connection and Setup Procedures To connect the unit follow the following instructions 1 Remove the rear panel 2 Connect a c...

Страница 32: ...ht up Holding the TUNING switch down use the PLATE or control the unit is factory set to a frequency of 98 MHz to tune the anode circuit indicates an increase in frequency and a reduction in frequency...

Страница 33: ...of the unit operates at high voltages which are dangerous and potentially lethal For this reason the unit should only be operated with all its panels securely in place The unit must be connected to a...

Страница 34: ...t Dummy Load Mod 8890 300 Calibrated in line Wattmeter Bird 50 Ohm with Sample Mod 43 Power Supply Hewlett Packard 0 50V 0 10A Mod 6002A Multimeter Fluke DC Voltage max 1000V Mod 73 AC Volatge max 750...

Страница 35: ...ance will depend upon operating conditions ambient temperature ambient dust levels and humidity It is advisable to carry out preventative checks at 3 month intervals and to change fans at least every...

Страница 36: ...4 teflon pillars Once the tube has been extracted from its socket attempt to remove the anode contacts taking care not to damage them Re mount the base on its pillars without the tube 5 To fit the new...

Страница 37: ...indicating that the anode supply is active The driver will also be active The unit without excitation will absorb about 200 mA of anode current 5 Switch the OUTPUT POWER switch to DIR and the CURRENT...

Страница 38: ...ESS a Switch the ST BY switch 19 Fig 1 to ST BY b Enable power to the unit by switching the POWER switch 18 Fig 1 to ON c Ensure that the PRESS indicator 15 Fig 1 initially on turns off when the air f...

Страница 39: ...SETUP 2 b Switch the ST BY switch 19 Fig 1 to ST BY c Wait for the fan to build up pressure d Perform the SETUP 3 Pag 41 procedure and steps required to calibrate the grid current IG paragraph 5 3 e A...

Страница 40: ...f Anode Current Measurement IA Perform SETUP 4 Perform the procedure detailed for the calibration of the grid current measurement but instead connect the power supply to the R3 0 22 Ohm resistor found...

Страница 41: ...R3 and C2 and to E contact on the High Tension Card 6 Switch on the tube amplifier 7 Adjust R3 trimmer of the Plate voltage measure Card to obtain the same measurement both on the Voltage Measure Mete...

Страница 42: ...ocedure for the V S W R protection upto step b paragraph 5 2 2 At this point verify that the VJ2000 meter reading is correct adjustment may be made with trimer R6 situated in the directional coupler o...

Страница 43: ...VJ2000 37 44 USER MANUAL Rev 4 0 26 02 01 SETUP 3 FIG 3...

Страница 44: ...VJ2000 38 44 USER MANUAL Rev 4 0 26 02 01 SETUP 4 FIG 4...

Страница 45: ...VJ2000 39 44 USER MANUAL Rev 4 0 26 02 01 SETUP 5 FIG 5...

Страница 46: ...VJ2000 40 44 USER MANUAL Rev 4 0 26 02 01 SETUP 6 FIG 6...

Страница 47: ...rement Output 1 4V X 100W 5 Not Used 6 Not Used 7 Not Used 8 Input Command ON High Volteage 9 Not Used 10 Not Used 11 Not Used 12 Not Used 13 Not Used 14 Not Used 15 Not Used 16 Forward Power Measurem...

Страница 48: ...r shall be ever ON 2 A system that closes to earth a BNC contact when the machine is in Standby mode is used This contact is connected with a BNC BNC cable to the Interlock RF Mute connector of the ex...

Страница 49: ...2000 10 3 General Verifications When Standby mode and operating the ralated switch the exciter shall go in RF Mute mode VJ1000 2000 shall switch to Standby mode if the exciter put in the OFF status If...

Страница 50: ...endix is composed of the following sections Description RVR Code Vers Pages Flat Cable Telemetry Connector 1 0 2 Telemetry Cable 1 1 2 Power Supply single phase version 1 0 6 H T Rectifier Card single...

Страница 51: ...VJ2000 Flat Cable 1 2 Appendice Tecnica Rev 1 0 26 02 01...

Страница 52: ...VJ2000 2 2 Flat Cable Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 53: ...VJ2000 Telemetry Cable 1 2 Appendice Tecnica Rev 1 1 26 02 01...

Страница 54: ...VJ2000 2 2 Telemetry Cable Technical Appendix Rev 1 1 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 55: ...VJ2000 Power Supply 1 ph 1 6 Appendice Tecnica Rev 1 0 26 02 01...

Страница 56: ...VJ2000 2 6 Power Supply 1 ph Technical Appendix Rev 1 0 26 02 01...

Страница 57: ...4KV HIGH VOLTAGE CAPACITOR COL4000V0008 5 1 L1 12H 1A CHOKE FILTER IMP012H1A 6 2 F1 F2 F25A FAST FUSIBLE FUS10 3X3825 7 1 CN1 CON CIR CON CIR 28P BURNDY F CNTBLCCF28P 28PF 8 1 MORS1 MORS 5 UK16 MORS...

Страница 58: ...VJ2000 4 6 Power Supply 1 ph Technical Appendix Rev 1 0 26 02 01 POWER SUPPLY SINGLE PHASE VERSION FRONT VIEW C2 L1 R3 R4 R5 T1 R6 PLATE VOLTAGE MEASURE CARD...

Страница 59: ...VJ2000 Power Supply 1 ph 5 6 Appendice Tecnica Rev 1 0 26 02 01 POWER SUPPLY SINGLE PHASE VERSION REAR VIEW R6 TRF1 TIM2 TEL2 TEL1 F1 MORS1 TIM1 F2 H T RECTIFIER CARD C1...

Страница 60: ...VJ2000 6 6 Power Supply 1 ph Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 61: ...VJ2000 H T R Card 1 phase 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 62: ...VJ2000 2 4 H T R Card 1 phase Technical Appendix Rev 1 0 26 02 01...

Страница 63: ...STOR 10W RAF010KH0220 3 48 R1 R2 R3 100K RESISTOR 2W RSC002JH0100 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38...

Страница 64: ...VJ2000 4 4 H T R Card 1 phase Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 65: ...VJ2000 R F Block 1 ph 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 66: ...AC HIGH VOLTAFE CAPACITOR CHV0400V0008 15 2 L3 L4 L1210RVR1 2 12SP D 10 RAME S 1 2mm BFS12001210 16 1 L5 L1516RVR1 5 15SP D 16 RAME S 1 5mm BFS15001516 17 1 L6 L1510RVR1 5 15SP D 10 RAME S 1 5mm BFS15...

Страница 67: ...W4 37 1 LIN1 LINEA2 LINEA VJ2000 LINVJ2000 38 1 M1 DC MOTOR1 MOT BUH 1 61 013 325 W MOTRCVJ200 39 1 M2 DC MOTOR2 MOT BUH 1 61 013 330 0 MOTRPVJ200 40 1 Q1 2N3055 NPN SILICON TRANSISTOR TRN2N3055 41 1...

Страница 68: ...VJ2000 4 4 R F Block 1 ph Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 69: ...VJ2000 Power Supply 3 ph 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 70: ...VJ2000 2 4 Power Supply 3 ph Technical Appendix Rev 1 0 26 02 01...

Страница 71: ...0 4 2 C1 C2 8 F 4KV HIGH VOLTAGE CAPACITOR COL4000V0008 5 4 F1 F2 F3 F4 F16A FAST FUSIBLE FUS10 3X3816 6 1 CN1 CON CIR CON CIR 28P BURNDY F CNTBLCCF28P 28PF 7 1 MORS1 MORS 5 UK16 MORS 5 UK16 PHOENIX M...

Страница 72: ...VJ2000 4 4 Power Supply 3 ph Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 73: ...VJ2000 H T R Card 3 phase 1 2 Appendice Tecnica Rev 1 0 26 02 01...

Страница 74: ...__________________________________________________________________________________________ 1 1 R50 22 10W RESISTOR 10W RAF010KH0022 2 1 R49 220 10W RESISTOR 10W RAF010KH0220 3 4 D1 D2 D3 D4 BY255 SILI...

Страница 75: ...VJ2000 R F Block 3 ph 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 76: ...ESTER CAPACITOR CPE224DK101 15 1 C4 8 F 450VAC HIGH VOLTAFE CAPACITOR CHV0400V0008 16 2 L3 L4 L1210RVR1 2 12SP D 10 RAME S 1 2mm BFS12001210 17 1 L5 L1516RVR1 5 15SP D 16 RAME S 1 5mm BFS15001516 18 1...

Страница 77: ...R DIODE 12V 0 4W DIZ12V0W4 38 1 LIN1 LINEA2 LINEA VJ2000 LINVJ2000 39 1 M1 DC MOTOR1 MOT BUH 1 61 013 325 W MOTRCVJ200 40 1 M2 DC MOTOR2 MOT BUH 1 61 013 330 0 MOTRPVJ200 41 1 Q1 BUV22 NPN SILICON TRA...

Страница 78: ...VJ2000 4 4 R F Block 3 ph Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 79: ...ura della Pressione della Turbina Calibration of the Fan Pressure Alarm Threshold p 32 R7 Taratura del R O S Calibration of the V S W R p 32 R21 Taratura dell Intervento della Protezione della Corrent...

Страница 80: ...VJ2000 2 4 Alarms Card Technical Appendix Rev 1 0 26 02 01...

Страница 81: ...4 R43 R46 47K RESISTOR 1 4W 5 RSC1 4JK0047 R48 R52 11 2 R18 R25 82K RESISTOR 1 4W 5 RSC1 4JK0082 12 10 R10 R11 100K RESISTOR 1 4W 5 RSC1 4JK0100 R12 R14 R15 R17 R19 R23 R26 R27 13 2 R34 R38 220K RESI...

Страница 82: ...1 D16 1N4001 SILICON DIODE 50V DIS1N4001 30 1 W1 WL04 DIODE BRIDGE 1 5A PNRWL04 31 1 D20 Z6V8 ZENER DIODE 6 8V 0 4W DIZ6V80W4 32 1 IC5 7815 POS STABILIZER 1A CIL7815P 33 2 Q2 Q3 BC237 NPN TRANSISTOR...

Страница 83: ...pendice Tecnica Rev 1 0 26 02 01 R1 Calibrazione della Misura di Corrente Anodica Calibration of the Anode Current Measurement p 34 R2 Calibrazione della Misura Corrente di Griglia Calibration of the...

Страница 84: ...VJ2000 2 4 Gride Plate Meter Technical Appendix Rev 1 0 26 02 01...

Страница 85: ..._______________________________________________________ 1 1 R3 0 22 RESISTOR 5W RAF005JH0 22 2 1 R4 2 2 RESISTOR 5W RAF005JH02 2 3 2 R1 R2 T4K7 TRIMMER REG VERT 10mm RVTD10VK04 7 4 4 C2 C3 C4 C5 10nF...

Страница 86: ...VJ2000 4 4 Gride Plate Meter Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 87: ...VJ2000 H V M Voltmeter 1 4 Appendice Tecnica Rev 1 0 26 02 01 R2 Calibrazione della misura della Tensione di Filamento Calibration of the Heater Voltage Measurement p 34...

Страница 88: ...VJ2000 2 4 H V M Voltmeter Technical Appendix Rev 1 0 26 02 01...

Страница 89: ..._________________________________________________ 1 1 R1 56K RESISTOR 1 4W 5 RSC1 4JK0056 2 1 R2 T100K TRIMMER REG VERT 10mm RVTD10VK0100 3 4 C1 C2 C4 C5 100nF CERAMIC CAPACITOR CKM104BK600P 4 1 C6 22...

Страница 90: ...VJ2000 4 4 H V M Voltmeter Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 91: ...VJ2000 Plate V M Card 1 4 Appendice Tecnica Rev 1 0 26 02 01 R3 Calibrazione della Misura della Tensione di Griglia Calibration of the Plate Voltage Measurement p 35...

Страница 92: ...VJ2000 2 4 Plate V M Card Technical Appendix Rev 1 0 26 02 01...

Страница 93: ...________________ 1 1 R1 470 10W RESISTOR 10W RAF010KH0470 2 1 R2 4K7 RESISTOR 1 4W 5 RSC1 4JK04 7 3 1 R5 22K RESISTOR 1 4W 5 RSC1 4JK0022 4 1 R4 T22K TRIMMER REG VERT 10mm RVTD10VK0022 5 1 R3 T100K TR...

Страница 94: ...VJ2000 4 4 Plate V M Card Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 95: ...VJ2000 Low Pass Filter 1 4 Appendice Tecnica Rev 1 0 26 02 01 C1 L1 C2 L2 C3 L3 C4 C5 L4 COMPONENT DISPOSITION DISPOSIZIONE DEI COMPONENTI...

Страница 96: ...VJ2000 2 4 Low Pass Filter Technical Appendix Rev 1 0 26 02 01...

Страница 97: ...1 Item Quantity Reference Part Description Part Order Code __________________________________________________________________________________________________ 1 2 C1 C5 27pFT COND BAND RAME TEFLON CBR...

Страница 98: ...VJ2000 4 4 Low Pass Filter Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 99: ...VJ2000 Input Matching Circuit 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 100: ...VJ2000 2 4 Input Matching Circuit Technical Appendix Rev 1 0 26 02 01...

Страница 101: ...scription Part Order Code __________________________________________________________________________________________________ 1 1 C2 T22pF TRIMMER CAPACITOR CVF220CK600 2 1 C1 27pF CERAMIC CAPACITOR NP...

Страница 102: ...VJ2000 4 4 Input Matching Circuit Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 103: ...cnica Rev 1 0 26 02 01 R6 Calibrazione della Lettura della Potenza Riflessa Calibration of the Measurement of the Reflected Power p 36 R9 Calibrazione della Lettura della Potenza Diretta Calibration o...

Страница 104: ...VJ2000 2 4 Directional Coupler Technical Appendix Rev 1 0 26 02 01...

Страница 105: ...2 1 R1 100 250W RESISTOR 250W RAF250JH0100 3 1 R3 8K2 RESISTOR 1 4W 5 RSC1 4JK08 2 4 3 R5 R8 R10 22K RESISTOR 1 4W 5 RSC1 4JK0022 5 1 R9 T22K TRIMMER REG VERT 10mm RVTD10VK0022 6 1 R6 T100K TRIMMER R...

Страница 106: ...VJ2000 4 4 Directional Coupler Technical Appendix Rev 1 0 26 02 01 Pagina lasciata intenzionalmente in bianco This page was intentionally left blank...

Страница 107: ...VJ2000 Telemetry Card opt 1 4 Appendice Tecnica Rev 1 0 26 02 01...

Страница 108: ...VJ2000 2 4 Telemetry Card opt Technical Appendix Rev 1 0 26 02 01...

Страница 109: ...K0010 R38 R40 11 2 R33 R34 21K5 1 RESISTOR 1 4W 1 RSM1 4FK21 5 12 5 R9 R10 R11 100K RESISTOR 1 4W 5 RSC1 4JK0100 R12 R39 13 12 R1 R2 R3 1M 1 RESISTOR 1 4W 1 RSM1 4FM0001 R4 R5 R6 R7 R8 R19 R20 R21 R47...

Страница 110: ...4005 SILICON DIODE 600V DIS1N4005 D5 D6 27 1 D1 Z5V1 ZENER DIODE 5 1V 0 4W DIZ5V10W4 28 1 D7 Z9V1 ZENER DIODE 9 1V 0 4W DIZ9V10W4 29 1 Q1 BC237 NPN TRANSISTOR TRNBC237 30 4 U1 U2 U3 U4 LM358N DOUBLE O...

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