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LinkGate SF User`s Manual - Sports Timing International
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1. 2 5 pole Nucletron connector for Radio output LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO G GATE Page 7 of 12 6 Linkgate EncRadio SF safety features for radio transmission To overcome unreliability and the various problems associated with the old system of radio transmission of impulses LINKGATE Encoder SF offers a number of innovative solutions 6 1 Digital transmission of impulses Linkgate EncRadio SF transmits sets of data no longer a single impulse that contain a vast amount of information In particular the following are transmitted The transmitters Code software selection from 127 channels and redundancy length data Bib number selectable with software How long ago the event took place Battery Status Low Battery In addition the kit contains numerous control codes and error auto correction codes which prevent a signal from being incorrectly interpreted during reception All the data information control codes is transmitted 16 times in order to reduce the possibility of reception failure Even with very disturbed signal transmission this system ensures maximum reliability and precision 0 4 thousandths of a second in short you only need the complete reception of a single set of data to be able to reconstruct the original time of the event LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO G GATE Page 8 of
2. keys when the current setting is displayed blinking The possible settings are lt L gt Long transmission of about 4 seconds lt S gt Short transmission of about 0 6 seconds The system passes automatically to the next setting after 4 seconds of inactivity Long lt BEEP gt Bib number 0 is displayed Settings modification is terminated and the system is ready for use LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO GATE Page 10 of 12 9 Impulse transmission An impulse can be transmitted by means of any signal given by the closing of a contact normally open produced by a gate or photocell using the BLACK banana jack as a ground and the GREEN banana jack as the signal At the end of data transmission the Linkgate EncRadio SF will emit a BEEP 10 Setting the bib number The two arrow keys can be used to set a bib number In this way the chronometer can automatically relate an event received from EncRadio The function is disabled if the bib number 0 is set After transmission of an impulse the bib number automatically moves up 11 Maintenance and battery recharging 11 1 Battery maintenance The system is designed to eliminate the need for any kind of ordinary maintenance and in conditions of normal use the rechargeable batteries alow an autonomy of about 5000 transmissions for EncRadio SF and about 2000 transmissions for EncRadio SF 500 11 2 LOW BATTE
3. mode FSK decoding Form of communication RX monodirectional Number of channels 1 Power supply 5 VDC supplied directly from chronometer Connections Cable with 5 pole connector for connection to chronometer LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_ 200 000 User Manual Version 2 0 MICRO GATE Page 12 of 12 Copyright Copyright 1999 2005 by Microgate s r l All rights reserved No part of this document or of any of the individual manuals may be copied or reproduced without previously making a written application to Microgate s r l for authorisation All the marks or names of products mentioned in this document or in the individual manuals are or may be registered marks belonging to the individual firms Microgate REI2 REI RaceTime MicroTab uTab MicroGraph uGraph MicroBeep uBeep Uploder Microrun Flasher LinkPod LinkGate LinkGate encoder LinkGate decoder EncRadio DecRadio Polifemo MicroSem uSem are registered marks of Microgate s r l or of licensed users Microgate s r l reserves the right to modify the products described in this document and or in the relative manuals without notice The manuals are available in the following languages Italian English German and French Microgate S r L 39100 Bolzano Bozen Via Stradivari 4 Stradivaristr ITALY Tel 39 471 501532 Fax 39 471 501524 e mail info microgate it MICRO GATE
4. transmission over 2Km for the 10mW version and over 9Km for the 500mW version can be achieved In addition the system s extremely low power consumption allows long autonomy of use which together with the possibility of recharging the batteries represents a great plus of the whole system 3 Field of use and Homologization The device is intended to be used for competitive sports activities as indicated in Art 334 of cod P T point 4 in all sports disciplines e g skiing athletics horse racing mountain bike motor racing etc both at amateur and professional level The homologization code is DGPGF 4 2 03 3398837FO LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO GATE Page 5 of 12 4 EncRadio SF FRONT VIEW LEFT SIDE VIEW BACK VIEW 9 BOTTOM VIEW VISTA LATO SUPERIORE Figure 1 Numerical display lt Down arrow gt key lt Up arrow gt key lt ON OFF gt key for switching on off Led di segnalazione ricarica accumulatori Connettore Jack per ricarica accumulatori Coperchio per accesso al connettore di programmazione riservato MICROGATE Boccola VERDE per ingresso segnali Boccola NERA per segnale di Massa 0 Connettore TNC per collegamento antenna esterna 0 DNDQUIDWNN LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO G GATE Page 6 of 12 5 DecRadio SF Figure 2 1 TNC for external antenna connection
5. xh xp Operating temperature 25 70 C Frequency 434 075 MHz Type of transmitter PLL Synthesizer Transmission mode Digital FSK transmission redundancy code with information accuracy check and autocorrection Form of communication TX monodirectional Number of channels 1 Radio transmission power EncRadio SF 10mW EncRadio SF 500 500mW Impulse transmission accuracy 0 4 ms Time base Quartz 4 194304 MHz 5ppm from 25 70 C Supply Battery Rechargeable Lithium lon 3 7V 500mAh Recharge 8V 20VDC 300mA Battery recharge Built in smart recharger Autonomy EncRadio SF Over 5000 events EncRadio SF 500 Over 2000 events Remaining charge indicator Visual and sound signalling of Low Battery status Processor 8 bit C MOS microprocessor Keyboard and controls e Signal and Repeat keys 2 arrow and second function keys e ON OFF key e Software selection of long short signal e Software selection of transmission channel Connections e Auxiliary input on 4mm socket for taking speeds contact normally open Radio transmission range in normal EncRadio SF Over 2 Km conditions EncRadio SF 500 Over 9 Km 13 Linkgate DecRadio SF technical data Weight 110g Size 90 x 50 x 25 mm I xh xp Operating temperature 25 70 C Frequency 434 075 MHz Type of receiver Double Superheterodyne PLL Controlled Fixed channel Reception
6. 12 7 Switching on Pressing the ON OFF key switches on the system The current EncRadio settings are shown Check that the EncRadio transmission channel is the same as the channel set on the chronometer Current setting of transmission channel CHANNEL The transmission channel is used to make sure that only Racetime2 or REI2 chronometers with the same reception channel setting can receive the transmitted signal as valid Every Microgate chronometer allows you to view the channel currently selected By selecting the same number on the EncRadio SF that you wish to use you will be certain of receiving only the signals from your own timing system This type of filtering of the signals received is particularly useful as by selecting different channels it is possible to use a number of systems chronometer EncRadio SF in the same zone and also on the same radio frequency without the risk of the chronometers interfering with each other Current setting of signal redundancy With the setting of signal redundancy transmission duration can be defined about 2 3 seconds for long transmission lt L gt and 0 6 seconds for short lt S gt Selecting long transmission results in greater information redundancy as the same data are transmitted 16 times If short transmission is selected the set of information is transmitted only 4 times resulting in lower redundancy but considerably reducing transmission length For normal use we recomme
7. LINKGATE EncRadio SF amp DecRadio SF User Manual MICRO a GATE ia Stradivari 4 Stradivaristr ITALY LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO GAIE Page 2 of 12 LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO GATE Page 3 of 12 4x ENCRADIO SE a fiati td dies a io 5 5 DEGRA DIO Ec eni iii ini aio 6 6 LINKGATE ENCRADIO SF SAFETY FEATURES FOR RADIO TRANSMISSION uous 7 6 1 DIGITAL TRANSMISSION OF IMPULSES ccccccccccccccccccccccccccccccccccccccccscesccescsescceccces 7 1 SW LEG HIN GON cortili tia ore ao eat 8 8 CHANGING LINKGATE ENCRADIO SF SETTINGS e 9 9 IMPULSE TRANSMISSION ena a a a a aa a a a a a e a a taadaa 10 10 SETTING THE BIB NUMBER eee 10 11 MAINTENANCE AND BATTERY RECHARGING 0coococonnononccnnnnanananonencnnonanannnnnnecnnnnnnananonenecinnnnanns 10 Lids BATTERY MAINTENANE Bios cisscsces scinsceice sed ocieie sanita nina nea dra debate e e 10 11 2 LOW BATTERY WARNING vesisascsccecccsscscccesesessssacscchscsccbseessesedssaseecees sess seabeseteess 10 11 3 BATTERY RECHARGE vis ciecccecccteceteeeds cveceteecscdncnd cewsescdcecteeesewencdenubevesedeevewesetegecreseus 10 11 4 BATTERY CHARGE INDICATOR cccccccccccccccccccccescccccccccccecscccecccscecccccceessccceccsseeees 10 12 LINKGATE ENCRADIO SF TECHNICAL DATA 11 13 LINKGATE DECRADIO SF TECHNICAL DATA i 11 LINKGATE EncRa
8. RY warning When the remaining time of Linkgate EncRadio s autonomy is limited it warns the user with a visual and sound signal The low battery warning is made with the emission of three short tones BEEP BEEP BEEP and the indication lt Lo gt on the display at the end of the transmission of an impulse Low battery status is also indicated with a blinking red Led located close to the recharge connector When an event is transmitted the Racetime 2 or Rei 2 chronometers also receive the battery status and warn that EncRadio s autonomy is limited When this happens the battery should be recharged as soon as possible 11 3 Battery recharge The presence of the recharge current is signalled when the Led located close to the recharge connector is on This Led also indicates if battery recharge is in progress orange Led or if it has finished green Led The time needed for recharging depends on the current charge status of the battery When recharging is over the battery status Led stays on and is continuous green Recharging finishes after about 1 5 hours if the battery is completely empty 11 4 Battery charge indicator When the ON OFF key is pressed the percentage of charge remaining in the battery is displayed LINKGATE EncRadio SF amp DecRadio SF Doc ENC SF R 200 000 User Manual Version 2 0 MICRO GA GATE 12 Linkgate EncRadio SF technical data Page 11 of 12 Weight 145g Size 100 x 50 x 40 mm I
9. dio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO G GATE Page 4 of 12 2 Introduction The transmission of an impulse via radio is a critical phase in timekeeping The possibility of losing the data transmitted of having very inaccurate timing and the transmission difficulties in some zones has often made timekeepers and trainers sceptical about this type of approach The LINKGATE system represents a radical innovation in the field of radio transmission of impulses for timekeeping Technological evolution has enabled us to go from the old impulse transmission systems to the more modern data transmission concept which can guarantee extreme accuracy the transmission of large quantities of information and greater reliability In addition the compact size of the system makes the LINKGATE system the ideal instrument for training and competitions at every level Linkgate EncRadio SF and DecRadio SF represent a further innovation with respect to the well known and highly esteemed Linkgate Encoder and Decoder The evolution of the products has resulted in the embedding of high reliability low power radio modules 433 MHz 10 mW 500mW for transmission and reception of signals in both the transmitter Linkgate EncRadio SF and receiver Linkgate DecRadio SF Exploiting the characteristics of the modules which work on FM on a very narrow band and the intrinsic reliability of Linkgate EncRadio SF and DecRadio SF long distance
10. nd you always use long transmission lt L gt to maximise redundancy of the data sent However for particular applications such as taking a number of intermediate times very close together the use of short transmission is the only feasible solution to prevent a number of transmissions overlapping one another Long lt BEEP gt Bib number 0 is displayed View for settings terminated and system ready for use At the end of viewing Linkgate EncRadio emits a beep to signal that the system is ready for use To switch off the system press the ON OFF key for about 1 second until the word OFF appears Releasing the ON OFF key switches off the system Switching off and switching back on reset the system and delete the memory LINKGATE EncRadio SF amp DecRadio SF Doc ENC_SF_R_200_000 User Manual Version 2 0 MICRO G GATE Page 9 of 12 8 Changing Linkgate EncRadio SF settings Changes in settings can be made by keeping an arrow key pressed down while switching on the device with the ON OFF key Changing transmission channel The user can change the transmission channel with the two arrow keys when the current setting is displayed blinking The possible settings are lt 000 gt lt 127 gt From channel 0 to channel 127 The system passes automatically to the next setting after 4 seconds of inactivity Changing data transmission redundancy The user can change data transmission redundancy with the two arrow
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