Operations Manual - Tele-Traffic

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SECTION 2 SYSTEM APPLICATION © Copyright – Tele-Traffic (UK) Limited 2007 7
LASTEC CONCEPT SYSTEM APPLICATION Having identified each individual module of the Lastec Concept DVD configuration it will now be helpful to have a general understanding of how it integrates together. Whatever the LTI 20.20 Laser fitted the system the Operator needs to be familiar with and aware of all of its functions. Nothing has changed in that respect and additionally the skills acquired in operational practise remain the same. The Red Dot within the sighting scope should be the operator’s only targeting method and the checks and evidential requirements of this function are identical when used with DVD recording equipment. Beware that the Ultralyte lasers have a power saving feature that turns off the red dot after 20 seconds. To reinstate the laser should this happen press the trigger and release. The red dot will reappear and the laser is ready for the next measurement cycle. The data that it provides is also the same and will still appear on the display on the LTI 20.20 Laser whatever is connected through the serial port. The Camera will give a picture by means of a standard video signal to whatever equipment it is connected. (The technical term is 1 volt peak to peak). When working together the LTI 20.20 Laser and the Camera will provide data and signals to the Display Control Unit (DCU) and the Tape logger. The DCU will firstly perform a 16 bit check sum between itself and the LTI 20.20 Laser to ensure that the data that it is receiving has not been corrupted in transmission by any external source. Should this check not be satisfactory then an error message (BAD CRC or RS232) will be generated. If this check is satisfactory then the data from the LTI 20.20 Laser is inserted by the Display Control Unit onto the video signal both visibly and also invisibly in the form of data marks which are buried in the D.V.D disc. The Display Control Unit will also examine the speed data provided from the LTI 20.20 and check it against the threshold speed set by the Operator. If the checked speed is in excess of the set threshold speed a further data mark is inserted both visibly and invisibly and a "print picture" command is sent to the Printer. (This is if Prints are required at the speed check site.) Having merged all this information the Display Control Unit provides a composite video signal on a loop both to the DVD Recorder/Monitor and to the Printer. N.B. This last fact is important because it means that any Prints made at the speed check site at the time that the signal is provided to the Printer is "best evidence". In that event it may be deemed to be unnecessary to retain the DVD Disc as evidence. © Copyright – Tele-Traffic (UK) Limited 2007 8
Page 1 and 2: LTI 20.20 Laser Speed Measurement D
Page 3 and 4: IMPORTANT! THESE INSTRUCTIONS SHOUL
Page 5 and 6: Lastec Concept Component Parts. The
Page 7: 12. TAPELOGGER Here there is a chan
Page 11 and 12: SECTION 3 OPERATOR INSTRUCTIONS CON
Page 13 and 14: ASSEMBLY PROCEDURE 1. Mount the LTI
Page 15 and 16: ADJUSTING THE DISPLAY CONTROL UNIT
Page 17 and 18: 2. Highlight the ‘SET LIMIT OPTIO
Page 19 and 20: 6. Adjusting the speed limit in the
Page 21 and 22: 4. Highlight the ‘SET SPEED TIMEO
Page 23 and 24: 2. Highlight the ‘SET USER NUMBER
Page 25 and 26: 2. Highlight the ‘SET TIME/DATE
Page 27 and 28: 2. Highlight the ‘SET CROSS-HAIR
Page 29 and 30: 6. Adjusting the cross-hair positio
Page 31 and 32: 4. Highlight the ‘SET TYPE’ sel
Page 33 and 34: TYPE: CLOSED WHITE CROSS-HAIR EXIT
Page 35 and 36: 2. Highlight the ‘SET CROSS-HAIR
Page 37 and 38: 6. Adjusting the cross-hair size in
Page 39 and 40: 4. Highlight the ‘SET GAP’ sele
Page 41 and 42: 2. Highlight the ‘SET DISPLAY OPT
Page 43 and 44: 6. Adjusting the display position i
Page 45 and 46: 4. Highlight the ‘SET BACKGROUND
Page 47 and 48: 2. Highlight the ‘DATA LOG OPTION
Page 49 and 50: 6. Navigating the data log in the
Page 51 and 52: 4. Highlight the ‘CLEAR DATA LOG
Page 53 and 54: Once the data log has been cleared
Page 55 and 56: 4. Highlight the ‘DOWNLOAD DATA L
Page 57 and 58: Once the data log has been download
Page 59 and 60:
4. Highlight the ‘DCU STATUS’ s
Page 61 and 62:
SECTION 4 LASTEC CONCEPT DVD RECORD
Page 63 and 64:
1. Entering the DVD Menu by pressin
Page 65 and 66:
The Exit Option will always take th
Page 67 and 68:
If the disk is BLANK the following
Page 69 and 70:
If the correct disk has been loaded
Page 71 and 72:
6. Event marker. The Event marker s
Page 73 and 74:
The Operator now has two choices:-
Page 75 and 76:
Once the DVD disk is removed and th
Page 77 and 78:
AGAIN select the EXIT Option and th
Page 79 and 80:
Now select the REC Option and the f
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Operations Manual - Tele-Traffic

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