VT601c - Videoswitch
Contents
1. COAX ET COAx VIDED MUL TICONDUCTOR CPAN amp TILT amp LENS IN F gt dE pop E soss 2A0VAC 50Hz COAX VIDED COAX_ VIDED gt Mu TICONDUCTOR lt PAN amp TILT amp LENS gt Eesen STAR EXPANDER VX 18 U Q V 0 Q d N Mar TRANSMITTER OD MONITOR B MONITOR A Videoswitch VT601c doc VT Series 2 User Manual Page 7 3 Switching 3 1 Manual Switching Individual camera select keys are provided for all cameras not applicable to VT 11 The VT 28A caters for two monitors and provides a second row of camera select keys 3 1 1 Manually Selecting a Camera Monitor A Press one of the Monitor A camera select keys identified 1 2 3 4 5 6 7 amp 8 lower row to display the required camera on Monitor A Auto mode will be cancelled if previously set The selected camera is the one which the telemetry transmitter can now control 3 1 2 Manually Selecting a Camera Monitor B The VT 28A transmitter caters for a second monitor Press one of the Monitor B camera select keys identified 1 2 3 4 5 6 7 amp 8 upper row to display the required camera on Monitor B Auto mode will be cancelled if previously set 3 2 Auto Switching Auto switching may be used independently on either or both monitors The dwell time for each monitor may also be programmed together with which cameras are required to be selected for each monitor section 8 1 Either sequential or random switching may be s2. alarms When all alarms have cleared if AUTO mode is selected normal sequencing will re start If AUTO mode is not selected the last alarmed camera will be left on the display 5 3 3 Alarm Relay Hold Time When an alarm first occurs the alarm relay in the transmitter will activate When all alarms have cleared the relay will stay energised for the further duration of the Alarm Relay Hold Time section 6 7 and then turn off again The relay is typically used for an external warning device to start and stop a VCR or to switch a VCR from time lapse mode to real time 3 hour mode Videoswitch VT601c doc VT Series 2 User Manual Page 11 6 Switcher SET Operations not VT 11 The SET key is used to configure various aspects of the switcher Note that the SET key lockout section 8 5 must be turned off before any of these actions can be performed When the keys are released after a switcher related SET function there should be two audible bleeps An error condition is indicated by four bleeps If this occurs repeat the setting 6 1 Specify Cameras for Monitor A The cameras which are included in an auto sequence are either determined by DIL switch settings or are programmed independently for each monitor using the SET key Refer to section 8 1 to set the DIL switch If the programmable option is selected then the required cameras are chosen as follows Press and hold the AUTO A key first then press the SET key then press various
3. and the polarity section 7 6 may be set 4 2 2 Iris If the lens uses auto iris these keys are not used If the lens has manual iris control then these keys open and close the iris of the currently selected camera Both the iris speed section 7 4 and the polarity section 7 7 may be set 4 2 3 Focus These keys control the focus in and out of the currently selected camera Both the focus speed section 7 5 and the polarity section 7 8 may be set 4 3 Auxiliary Functions Five auxiliary functions may be controlled from the transmitter the VR 3 supports only AUX1 and AUX3 The auxiliary keys all have predesignated functions but may be used to control any other devices within the power rating of the relays in the receiver 4 3 1 AUX 1 Lamp This is a latched function which operates a relay in the receiver that may be used to control a lamp or any other device 4 3 2 AUX 2 Preset Alarms This latched function is used to switch the alarm detection on and off where an alarm preset option is fitted If an alarm preset is not being used the relay in the receiver operated by this function may be used to control any device 4 3 3 AUX 3 amp 4 Wipe Wash A single key is used to control two functions wipe and wash The wipe relay is latched and toggles on and off each time the keys is pressed If the key is held on for more than a second the wash relay will operate until the key is released again If wash and wipe are not require
4. camera basis PAL colour or monochrome composite video signals 11 3 2 DC Restoration Outputs are DC restored to lt 100mV 11 4 Alarms 11 4 1 Alarm Inputs Outputs Alarm inputs require normally open contacts to activate internally pulled up to 5V via 10KQ resistors Alarm output is change over relay contacts rated at 5 00mA 24 Volts ac dc 11 5 Power Requirements 220 240Vac 50 60Hz 10W 110Vac available as an option 11 6 Dimensions 11 6 1 VT 14A VT 18A VT 28A 310 mm wide x 145 mm deep x 60 mm high 11 6 2 VT 11 190 mm wide x 145 mm deep x 60 mm high 11 7 Environmental Operating Temperature 0 to 40 C Storage Temperature 20 to 70 C Humidity 5 to 95 non condensing Videoswitch VT601c doc VT Series 2 User Manual Page 23 12 Safety Warning QO Before connecting the mains supply to the unit check that the supply voltage corresponds with the voltage indicated on the power rating label on the unit Q To avoid the risk of electric shock the mains supply must be disconnected from the unit before the cover is removed QO This equipment must be earthed Q The unit is protected with an internally mounted mains fuse For continued protection against the risk of fire replace only with the same type and rating of fuse Q This product is supplied with a moulded 13 Amp plug fitted with a 5A mains fuse for connection to a standard UK mains socket outlet or with a European style plug The wires in t
5. making sure that the SET key is released last Where the Zoom iris and focus keys are referred to a T indicates the upper key and a J indicates the lower key 7 1 Video Gain The video gain of the receiver this feature is not available on VR 3 receivers may be set to one of eight values from the transmitter 1 is the lowest gain suitable for short cables 8 is suitable for up to Ikm of coax SET ALARMS and Preset 1 2 3 4 5 6 7 or 8 The gain should be set to obtain the best picture quality If the gain is set too high picture quality will suffer and the picture may roll on the monitor 7 2 Video Lift The video amplifier in the receiver can have its high frequency response modified this feature is not available on VR 3 receivers to obtain optimum picture quality The video lift should be set to minimum for short cable runs and increased just enough to sharpen vertical edges in the picture Too much video lift will degrade the picture To increase the lift press SET ALARMS and Joystick Up To decrease the lift SET ALARMS and Joystick Down Hold until the required setting is obtained then release all keys Note that it may take up to 30 seconds to cover the whole range of adjustment 7 3 Zoom Speed The zoom speed voltage may be set to one of eight options by pressing the following keys SET ZOOM and Preset 1 2 3 4 5 6 7 or 8 The higher the number selected the faster
6. tentten EENES Estant Sentanta s taseton tente reneesesastaneesen tanen 6 EN t H GE De Nee 7 4 TRANSMITTER OPERATION ch P n and Dt WO E E a 4 2 Zoom Iris and Reeg ee 8 4 3 Auxiliary ENEE 8 4 4 Presse ae 51 nlatehed Alari Modessussssssssessessansessnnsenssnnensnnnnnsnnnenhnnnn hnannnnnana anna naa Hanna Hanna Haan Hanna aa RE ana aa RE EHE EHRE RE HERE EHE ERS REHRSH HF RER HERE REHRE SESTE oiTa 10 5 2 ER 10 5 3 Alarm Processing 6 SWITCHER SET OPERATIONS NOT VT I1 2cs 22200200000200000200002000020000020000020000000000n00000n0n LL Lee Cameras for MOnllor E 11 6 2 Specify Cameras for Monitor B VT 28A only 11 6 3 Set Monitor A Dwell Time Il 6 4 Set Monitor B Dwell Time VT 28A only 6 5 Set Alarm Hold Ume Se 6 6 Set Multiple Alarm Dwell Uess 12 644 Set Alarm RelaysHold KE 12 7 RECEIVER SET OPERATIONS 13 KEN ER A E EE e e E E EES 13 e KEE EE eeeegdstesch 13 7 4 Iris Speed s Wei Ee DEE 13 Soft ZOOM POlaiity ANETTE MDA eTTin EEN Eee TER aN TERIA TTT INET 14 7 7 Tris Polarity ds RE SO CUS E e EE TO Preset ED TEE 7 10 Preset Patrol Timer 7 11 Alarm Patrol Timer A dE KE 8 1 Number of Camergs 8 2 Random Sequencing er 8 3 Alarm Modes 17 8 4 Interval Switching e E 18 Bid DET Ee ee E 8 6 Camera Termination s USE ER EE 006 Ld DD EE 19 8 6 Master Slave Operations NNS 19 8 9 Twisted Pair Telemetry Baud Rate unesesesesssennes
7. the Alarm Hold Time press and hold the SET key and then also press and hold the Monitor A Camera key SET and Camera 1 Keep both keys held for the required duration Every second the transmitter will bleep Videoswitch VT601c doc VT Series 2 User Manual Page 12 6 6 Set Multiple Alarm Dwell Time To set the Multiple Alarm Dwell Time press and hold the SET key and then also press and hold the Monitor A Camera 2 key SET and Camera 2 Keep the keys held for the required duration Every second the transmitter will bleep 6 7 Set Alarm Relay Hold Time To set the Alarm Relay Hold Time press and hold the SET key and then also press and hold the Monitor A Camera 3 key SET and Camera 3 Every second the transmitter will bleep If the keys are released after just one beep a relay hold time of zero will be stored Further beeps each represent 10 seconds of relay hold time Videoswitch VT601c doc VT Series 2 User Manual Page 13 7 Receiver SET Operations All receiver set up functions involve pressing the SET key and one or more other keys in combination Note that the SET key lockout section 8 5 must be turned off before any of these actions can be performed For all receiver SET operations always first press and hold down the SET key Then press the other key s as described in the following sections holding them for about a second to ensure the command has been recognised by the receiver Then release the keys
8. the zoom rate 7 4 Iris Speed The iris speed voltage may be set to one of eight options by pressing the following keys SET IRIST and Preset 1 2 3 4 5 6 7 or 8 The higher the number selected the faster the iris rate 7 5 Focus Speed The focus speed voltage may be set to one of eight options by pressing the following keys Videoswitch VT601c doc VT Series 2 User Manual Page 14 SET FOCUST and Preset 1 2 3 4 5 6 7 or 8 The higher the number selected the faster the focus rate 7 6 Zoom Polarity If when the upper and lower zoom keys are pressed the zoom acts in the opposite direction to that expected the polarity may be reversed To select normal polarity press SET ZOOM7 and Joystick Up To select reverse polarity by press SET ZOOMT and Joystick Down 7 7 Iris Polarity If when the upper and lower iris keys are pressed the iris acts in the opposite direction to that expected the polarity may be reversed To select normal polarity press SET IRIST and Joystick Up To select reverse polarity by press SET IRIST and Joystick Down 7 8 Focus Polarity If when the upper and lower focus keys are pressed the focus acts in the opposite direction to that expected the polarity may be reversed To select normal polarity press SET FOCUST and Joystick Up To select reverse polarity by press SET FOCUST and Joystick Down 7 9 Preset T
9. A VT601c doc VT Series 2 User Manual Page 5 2 2 Daisy Chain Twisted Pair Telemetry If the video returns to the transmitter via links other than coax cables then the telemetry must be transmitted to the receivers via twisted pair links The daisy chain configuration requires in addition to the video cabling a twisted pair link from the transmitter to one of the receivers and then further twisted pair links from each receiver to the next Where twisted pair cables are shown in the diagram these could in fact be data links utilising as fibre optic microwave infra red leased line ISDN or PSTN etc which provide a compatible interface 20mA loop or RS232 RECEIVER 4 RECEIVER 5 SO nn m E a COAX VIDED MuL TICONDUCTOR CPAN amp TILT amp LENS COAX VIDED gt MUL TICONDUC TOR PAN amp TILT amp LENS RECEIVER 3 RECEIVER 6 SOSOOSOS Il Ea m m a S E a COAX VIDED MuL TICONDUCTOR CPAN amp TILT amp LENS COAX VIDED gt MUL TICONDUCTOR CPAN amp TILT amp LENS RECEIVER 2 RECEIVER 7 oo II II i oT III 2 RDDDDODOOO 240VAC 50Hz COAX VIDED 240VAC 50Hz COAX VIDED COAX VIDED MuL TICONDUCTOR CPAN amp TILT amp LENS COAX VIDED gt MUL TICONDUCTOR CPAN amp TILT amp LENS RECEIVER 1 RECEIVER 8 OOO IPSEC EPH COAX VIDEO MUL TICONDUC TOR PAN amp TILT amp LENS 240VAC Sms COAX VIDED COAX VI
10. DED MuL TICONDUCTOR CPAN amp TILT amp LENS TWISTED PAIR CTELEME TRY TRANSMITTER VE ooo ooo MONITOR B MONITOR A Videoswitch VT601c doc VT Series 2 User Manual Page 6 2 3 Star Configuration Twisted Pair Operation If the video returns to the transmitter via links other than coax cables then the telemetry must be transmitted to the receivers via twisted pair links In the star configuration a VX 18 star expander typically located near the transmitter is used to expand the single twisted pair telemetry output of the transmitter into individual outputs for each receiver Each output connects to a receiver via a twisted pair cable or compatible data link RECEIVER 4 RECEIVER 5 TWISTED PAIR TELEMETRY EOLO SOVOG LPEE EISE PODERA 00000000000 IN 24OVAC 50Hz 240VAC 50Hz COAX_ VIDED gt COAX VIDED gt MUL TICONDUCTOR COAX lt VIDEM COAX_ VIDEDD MUL TICONDUCTOR PAN amp TILT amp LENS PANS TILT amp LENS RECEIVER 3 RECEIVER 6 240VAC 50Hz JAX VIDE COAX VIDED MUL TICONDUCTOR PANS TILT amp LENS RECEIVER 7 COAX VIDED MUL TICONDUCTOR PANS TILT amp LENS RECEIVER 2 SOOOOSOOOO T IN 240VAC S0Hz p BN soiz COAX lt VIDED MUL TICONDUCTOR PANS TILT amp LENS on 240VAC 50Hz Has VIDED COAX VIDED MUL TICONDUCTOR lt PAN amp TILT amp LENS RECEIVER 1 RECEIVER 8 240VAC 50Hz e
11. Monitor A camera keys to toggle the LEDs on and off to select the cameras that you wish to be sequenced then release all keys AUTO AL SET and Camera 1 2 3 4 5 6 7 8 6 2 Specify Cameras for Monitor B VT 28A only The cameras which are included in an auto sequence are either determined by DIL switch settings or are programmed independently for each monitor using the SET key Refer to section 8 1 to set the DIL switch If the programmable option is selected then the required cameras are chosen as follows Press and hold the AUTO A key first then press the SET key then press various Monitor B camera keys to toggle the LEDs on and off to select the cameras that you wish to be sequenced then release all keys AUTO B SET and Camera 1 2 3 4 5 6 7 8 6 3 Set Monitor A Dwell Time To set the auto dwell time for monitor A press and hold the SET key on then press and hold the AUTO A key on for the required dwell duration SET and AUTO A The unit will beep every second When the required number of seconds has elapsed release both keys 6 4 Set Monitor B Dwell Time VT 28A only To set the auto sequence dwell time for monitor B press and hold the SET key on then press and hold the AUTO B key on for the required dwell duration SET and AUTO B The unit will beep every second When the required number of seconds has elapsed release both keys 6 5 Set Alarm Hold Time To set
12. Pair Telemetry Baud Rate 7800 Baud Series 1 compatibility 9600 Baud Videoswitch VT601c doc VT Series 2 User Manual Page 20 9 Test Mode The transmitter has a special test mode which allows the calibration of the joystick to be checked and also permits the lens offset voltages of the receivers to be adjusted This mode should only be used with great care To enter test mode turn on the transmitter while holding on the LAMP ALARMS WIPE and AUTOPAN keys Exit test mode as soon as test mode operations have been complete To exit turn off the unit for 5 seconds then turn on again 9 1 Joystick Calibration Check When in test mode the eight preset LEDs are used to indicate the readings obtained from the joystick The pattern of LEDs should be seen Joystick central OFF OFF OFF OFF OFF OFF OFF OFF Joystick pushed fully left or right OFF OFF OFF OFF Joystick pushed fully up or down OFF OFF OFF OFF E Z 9 2 Lens Offset Adjust Good access to the receiver is necessary to perform this operation When in test mode the lens offset voltages can be increased or decreased by monitoring the each voltage in turn with a voltmeter and pressing SET WIPE AUTOPAN and ZOOMT IRIST or FOCUST or SET WIPE AUTOPAN and ZOOM IRISJor FOCUS The voltages should be set to as close to zero as possible to avoid lens creep Note that there should be no need in normal use of the receiver to ever perform this o
13. The functions of the switches are described in the following pages The different sections of switch S1 are referred to as S1 1 S1 2 S1 3 etc and similarly for the other switches Videoswitch VT601c doc VT Series 2 User Manual Page 17 8 1 Number of Cameras Three switch sections are used to specify the number of cameras in the system If there are less than eight cameras connect them to consecutive camera inputs starting with input 1 Number of S1 1 S1 2 S1 3 Cameras Programm able The Programmable option allows individual selection of which cameras are to be sequenced on the Monitor A output and which cameras are to be sequenced on the Monitor B output by means of SET operations section 6 1 and 6 2 8 2 Random Sequencing The transmitters are provided with a random sequence mode which can be used on both Monitor A and Monitor B This mode is useful when a monitor is on public display for deterrence purposes The pseudo random sequence is designed to ensure that all cameras will be selected with equal frequency but in a unpredictable order Set this switch on if you want cameras sequence randomly and set it off if you want camera to sequence in normal order 1 2 3 etc Sequence Mode 8 3 Alarm Modes Set this switch off if you do not want alarms latched and if you do not require audible indication of the alarms Set this switch on if you require alarms to be remembered until manually acknowledged by an operato
14. VT Series 2 User Manual Page 1 VT Series 2 User Manual This manual covers the following products VT 11 1 Camera 1 Monitor Telemetry Transmitter VT 14A 4 Camera 1 Monitor Telemetry Transmitter VT 18A 8 Camera 1 Monitor Telemetry Transmitter VT 28A 8 Camera 2 Monitor Telemetry Transmitter This manual relates to transmitters fitted with software revisions R2 1 to R2 4 Every effort has been made to ensure the accuracy of the information in this manual However Video Switch Ltd assumes no liability for losses incurred as a result of out of date information errors or omissions As part of a policy of continual product improvement Video Switch Ltd reserves the right to make changes to product specifications and documentation without notice No reproduction of this document or any portion of it is permitted without the specific written permission of Video Switch Ltd Video Switch Ltd 1996 2002 Video Switch Ltd Units 15 amp 16 Redfields Industrial Park Church Crookham Tel 01252 851510 Hants GU52 ORD Fax 01252 851296 Videoswitch VT601c doc VT Series 2 User Manual Page 2 Contents DAU Coax Telemetry ear hare teastrereatttecediteennenscieteteteceteneccteesccsententesanctdetaiteescuctvecedatncedeatastabintussnsnubnensosonetedendentsntnhivessubendussnedenteatuseustvesnssenhaanitausbacenessisones 4 22 7 Daisy Chain Twisted Pair Telemetry EE 5 2 3 Star Configuration Twisted Pair Operapon teten t entet ts tst Stnt Stn
15. d the relays may be used to control any other device 4 3 4 AUX 5 Autopan This is a latched function which operates a relay in the receiver It is typically used to control an autopan module but may be used to operate any other device Note that when left or right panning is performed if a preset is selected or if an alarm occurs this function is cancelled Videoswitch VT601c doc VT Series 2 User Manual Page 9 4 4 Presets Up to eight presets may be called by pressing the preset keys identified 1 2 3 4 5 6 7 and 8 When a new preset is selected the receiver will move to the previously stored preset position to program presets see section 7 11 If more than one preset is selected the receiver will patrol between all selected presets with a programmable time to set preset dwell time see section 7 10 If a pan tilt zoom iris or focus adjustment is made the presets will automatically be cancelled Videoswitch VT601c doc VT Series 2 User Manual Page 10 5 Alarm Handling On the VT 14A VT 18A and VT 28A an alarm input is provided for each camera These are for connection to normally open contacts typically provided by PIR or other types of detector When a contact closes an alarm condition is triggered on that channel and preset may be called up on the associated receiver if required section 0 5 1 Unlatched Alarm Mode The unlatched alarm mode is suitable for unattended operation as in this mode the trans
16. ennenenunnenenenennenennennnnenennenennnnenennenenenenennnenonenennnnenensenensenennenenenensnennnennsenennenensenenenonnnnonn 19 Oul JOVSuck Calibration check he aa a EEEE ETENEE 20 9 2 Eens OSet e E 20 10 CONNECTOR PIN OUT 21 10 1 Alarm Conpnector 10 2 Telemetry Connector oo ceescecssessseesesseseescsessesceecscscescsesecsesseseeseseaescaescscescseesesseseseaesaeaesesaessaescsasscseesesseseseceseeaescsaessaesseaeasaeeaeeesaeaeeaeaseaeaeeaeasees E REI eg ET 22 11 2 Switcher a 11 3 VIdeo Inputs cc UE RK DE 11 5 Power Requirements 11 6 Dimensions e RE Environmental EE 22 Videoswitch VT601c doc VT Series 2 User Manual Page 3 1 Overview The VT Series 2 desktop telemetry transmitters are used in conjunction with Video Switch receivers to provide remote control of pan amp tilt zoom iris focus and auxiliary functions The VT 11 controls a single camera whereas the VT 14A VT 18A and VT 28A incorporate a fully featured switcher section which permit a number of cameras to be selected and controlled Transmitter Section The transmitters send telemetry control information to receivers The receivers decode this information and drive the pan and tilt heads lens and auxiliary functions accordingly The telemetry information is sent either via the coax that is used to send back the video or via additional twisted pair cables RS232 and 20mA Whichever telemetry met
17. he power cable are coloured in accordance with the following code Green and Yellow Earth E Blue Neutral N Brown Live L Videoswitch VT601c doc Videoswitch VT601c doc
18. hod is employed more than one transmitter may be used to provide multiple master slave control points The transmitters all have a joystick for the control of pan and tilt Keys are provided for zoom iris and focus control and also for five auxiliary functions The receivers and their presets if installed are set up at the transmitter by key combinations A security lockout feature is provided to prevent inadvertent alteration of these settings Switcher Section not VT 11 All models except the VT 11 provide bounce free manual or automatic switching sequential or random Front panel programming specifies the dwell time and which cameras are to be included in the auto sequence for each monitor The security lockout features also prevents inadvertent alteration of these settings Alarm inputs are provided for connection to PIR or other detectors associated with each camera Alarm output relay contacts in the transmitter permit control of an external warning device or a VCR The alarm hold time cycle time and the relay hold time are all independently programmable via the front panel keys Two alarm modes are provided the unlatched mode being suitable for unattended operation as the transmitter reverts to normal operation when the alarms end The latched alarm mode provides an audible warning which the operator must manually acknowledge Videoswitch VT601c doc VT Series 2 User Manual Page 4 2 Installation The transmitters may be c
19. mitter automatically reverts to normal operation when the alarms end The audible bleeper is nor sounded in unlatched mode 5 2 Latched Alarm Mode The latched alarm mode provides the same facilities as the unlatched mode but requires that an operator manually cancels the alarm conditions While any latched or current alarms exist an internal bleeper beeps once per second until the SET key is pressed 5 3 Alarm Processing Multiple alarm handling is provided by the transmitter which ensures that any alarmed cameras are displayed on Monitor A for a minimum time and that multiple cameras with continuing alarm conditions are displayed repeatedly in sequence Alarm relay contacts provide the facility to control external equipment in the event of an alarm 5 3 1 Alarm Hold Time When an alarm occurs the associated camera is selected and displayed on Monitor A for the duration of the Alarm Hold Time section 6 5 If multiple alarms occur each camera will displayed in turn each one for the duration Alarm Hold Time 5 3 2 Alarm Dwell Time When there is more than one alarm and all alarmed cameras has been displayed once the transmitter will then sequence between the alarmed cameras dwelling on each for the Multiple Alarm Dwell Time section 6 6 This time may be different to the normal AUTO dwell time Sequencing will continue for as long as alarm conditions persist or in latched mode until the operator presses a key to manually cancel the
20. onnected to the receivers in a number of different configurations depending on how the telemetry control is to be transmitted to the receivers These configurations are described below 2 1 Coax Telemetry Coax telemetry is the simplest and is suitable where there is a direct coax link between each receiver and the transmitter earth loop isolating transformers may be used in the coax lines if there are required RECEIVER 4 COAX lt vIDED SAOVAC 50Hz COAX MUL TICONDUCTOR CPANRTILT amp LENS VIDEO amp TELEMETRY RECEIVER 3 COAX VIDED 24ovAc 50Hz COAX MUL TICONDUCTOR CPANGTILT amp LENS gt VIDEO amp TELEMETRY RECEIVER 2 e 240VAC 50Hz COAX_ lt vIDED aay MUL TICONDUCTOR CPANGTILT amp LENS gt VIDEO amp TELEMETRY RECEIVER 1 COAX VIDED 240VAC SOHZ COAX MUL TICONDUCTOR PAN amp TILT amp LENS VIDEO amp TELEMETRY RECEIVER 5 240VAC 50Hz COAX VIDEO amp TELEMETRY COAX VIDED gt Mu TICONDUCTOR PAN amp TILT amp LENS RECEIVER 6 240VAC 50Hz COAX VIDEO amp TELEMETRY COAX VIDED MUL TICONDUCTOR PAN amp TILT amp LENS RECEIVER 7 240VAC 50Hz COAX VIDED amp TELEMETRY COAX_ lt VIDED MUL TICONDUCTOR PANSTILT amp LENS RECEIVER 8 240VAC 50Hz COAX VIDEO amp TELEMETRY COAX VIDEDD MUL TICONDUCTOR PANS TILT amp LENS ooo MONITOR B Videoswitch TRANSMITTER ooo MONITOR
21. pecified section 8 2 3 2 1 Auto Switching Monitor A To set monitor A to auto press the AUTO A key The unit will step from one camera to the next with the previously programmed dwell time Only the cameras that have been enabled see section 8 1 will be selected in the sequence 3 2 2 Auto Switching Monitor B To set monitor B to auto press the AUTO B key The unit will step from one camera to the next with the previously programmed dwell time Only the cameras that have been enabled see section 8 5 will be selected in the sequence Videoswitch VT601c doc VT Series 2 User Manual Page 8 4 Transmitter Operation 4 1 Pan and Tilt The joystick is used for pan and tilt control of the camera Note that the joystick must be in its central position when the transmitter is turned on AC Receivers Movement of the joystick by a small amount in any direction causes the pan and tilt head to move accordingly The amount that the joystick is moved has no effect on the operation of the head DC Receivers When the transmitter is used with a DC receiver e g VR 5 providing variable speed control then the amount the joystick is moved in a particular direction will control the speed at which the pan and tilt head moves 4 2 Zoom Iris and Focus Six keys are provided for the control of lens functions 4 2 1 Zoom These keys control the zoom in and out of the currently selected camera Both the zoom speed section 7 3
22. peration as offsets are factory set during manufacture Videoswitch VT601c doc VT Series 2 User Manual Page 21 10 Connector Pin outs 10 1 Alarm Connector View of Female 25 way D type Connector on rear of transmitter not VT 1 1 Alarm Input 1 fs Alarm Input 31 Alarm Jaen 31 Alarm Input4 2 Alarm Input6 o Pr Alarm Jaen JI 10 2 Telemetry Connector View of Female 15 way D type Connector on rear of transmitter OONO OOOO 00000 ei DU OD st H RS232 Output Ber RS232 Slave Input FE 20mA Output S 20mA Slave Input a 1 6 7 89 Videoswitch VT601c doc VT Series 2 User Manual Page 22 11 Specifications 11 1 Telemetry 11 1 1 Coax Telemetry Output 500kHz on off keying during vertical blanking interval transmitted to camera currently selected on monitor A 11 1 2 Twisted Pair Telemetry Output RS232 or 20mA Current Loop 7 8kbaud or 2400 baud Data format 1 start bit 8 data bits 1 parity bit 1 stop bit 11 1 3 Twisted Pair Telemetry Slave Input Connect to twisted pair telemetry output of slave transmitter The same interface type RS232 or 20mA must be used by master and slaves 11 2 Switcher 11 2 1 Auto Dwell Times 1 second to 255 seconds 4 minutes approx 11 2 2 Alarm Hold Cycle and Relay Hold Times 1 second to 255 seconds 4 minutes approx 11 3 Video Inputs amp Outputs 11 3 1 Video Inputs amp Outputs 1V pk pk terminated with 75 Ohms termination may be removed on a per
23. r and if you want an audible warning of alarms Alarm Mode Unlatched Videoswitch VT601c doc VT Series 2 User Manual Page 18 8 4 Interval Switching Mode This switch should be set off if the cameras are synchronised gen locked It should be set on if the cameras are not synchronised to avoid picture bounce during switching Interval Switching Mode Immediate switch over at vertical sync ON Blank fields inserted between vertical sync pulses during switch over 8 5 SET Lockout All SET function for both the switcher set up and receiver set up can be locked out Once the required settings have been made it is advisable to set the lockout switch to on to avoid accidental alteration of any of the settings VT 11 SET Functions Lockout SET functions not locked out SET functions locked out VT 14A VT 18A and VT 28A SET Functions Lockout SET functions not locked out SET functions locked out 8 6 Camera Termination The camera inputs are ee with switchable termination Switch Camera a ST Doreen 750 Teminaon ST Poren 750 Teminaion Videoswitch VT601c doc VT Series 2 User Manual Page 19 8 7 Preset on Alarm not VT 11 When an alarm is detected by the transmitter preset 1 may automatically be called up Note that if alarm presets are being used this switch should be off as the alarm preset option will perform preset selection at the receiver Presets unaffected on alarm Prese
24. raining When a receiver is first installed or if any changes are made to the wiring of presets the preset training sequence should be run The training sequence moves the pan and tilt head left right up and down and exercises the lens functions The receiver monitors the movement and determines whether presets are installed which of the functions have preset potentiometers and whether the voltages from the preset potentiometers increases or decreases for a given direction of motion To instigate the training sequence press the following keys SET IRISJ and ZOOMJ 7 10 Preset Patrol Timer The preset patrol dwell timer is set by issuing a command to start a timer then issuing another command to stop it The amount of time that is allowed to elapse between the start and stop commands is Videoswitch VT601c doc VT Series 2 User Manual Page 15 remembered by the receiver 5 seconds minimum to a resolution of 5 seconds and used as the patrol dwell time Before setting the time you must set AUX2 Off To start the timer press SET LAMP and AUTOPAN After the required time has elapsed stop the timer by pressing SET LAMP and WIPE 7 11 Alarm Patrol Timer The alarm patrol dwell timer is set by issuing a command to start a timer then issuing another command to stop it The amount of time that is allowed to elapse between the start and stop commands is remembered by the receiver 5 seconds minimum to a
25. resolution of 5 seconds and used as the patrol dwell time Before setting the time you must set AUX2 On To start the timer press SET LAMP and AUTOPAN After the required time has elapsed stop the timer by pressing SET LAMP and WIPE 7 12 Set Presets Up to eight different presets may be set from the transmitter for each receiver in the system To set a preset first move the selected camera to the required position and adjust the zoom iris if not auto and focus This preset position may now be stored by pressing the following keys SET LAMP and Preset 1 2 3 4 5 6 7 or 8 Videoswitch VT601c doc VT Series 2 User Manual Page 16 8 Switch Options The transmitter is provided with DIL switches accessible via cut outs in the base of the unit for setting various user options The VT 11 has two DIL switches e S2isa2 way switch located near the rear of the transmitter e S3 is a 4 way switch located near the front of the transmitter KR Underside view of VT 11 gt Front The VT 14A VT 18A and VT 28A have three DILL switches e SI is an 8 way switch located near the front of the transmitter e S2 is an 8 way switch located near the rear of the transmitter e S3 is a 4 way switch located near the front of the transmitter Underside view of VT 14A S2 VT 18A and VT 28A KE 1 Front
26. t 1 only is selected on alarm 8 8 Master Slave Operation The telemetry transmitter may be set to operate either continuously single controller mode or only when a switch is pressed and for two seconds afterwards multiple controller mode When more than one transmitter is connected it is essential that the multiple controller mode is selected for each transmitter Single Controller Mode OFF Single Controller Mode Multiple Controller nee om N master slave For Master Slave operation the video signals from each camera should be looped through from the Master transmitter to the camera inputs of the Slave transmitter using T adapters Further transmitters may be added in a similar way All transmitter must have the camera termination turned off except for the last in the line which has termination turned on If master slave operation is required where the telemetry control is via twisted pairs the transmitters also have to be linked by twisted pairs Connect the twisted pair slave input of the Master to the twisted pair output of the slave transmitter Other slaves may be added in a similar way Note that either RS232 or 20mA must be used throughout 8 9 Twisted Pair Telemetry Baud Rate The Series 2 transmitters may be used to control receivers via twisted pair instead of coax If twisted pair mode is used two data rates are available The data rate must be compatible with the type of receiver used Twisted
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