DB-100 Manual - JAMAR Technologies
Contents
1. You should then contact us using the information in the front of this manual to arrange to ship the DB 100 back for repair Note You can also perform this test to determine if the download cable you are using is working First connect the plug of the download cable to the serial port connector of the DB 100 Next use a test connector to connect the 2 and 3 pins on the 9 pin plug on the other end of the cable Then perform the serial port test This will test the serial port of the DB 100 as well as the continuity of the cable Time Date The DB 100 has a built in real time clock that is powered by the same lithium battery that is used to store the count data in the solid state memory The clock normally keeps excellent time but occasionally needs to have the date or time corrected To change the date or time HR MIN MON DAY YR select TIME DATE from the 12 25 02 13 01 UTILITIES menu The screen Changet to modify shown here is then displayed DO to set time date The display shows the current hours minutes month day and year Use the TAB key to move the highlight to the parameter that you need to adjust Then Use the Change 15 key to add one to the current value or Use the Change 14 to subtract one from the current value Continue using the Tab and Change keys until all of the parameters are correct then press DO to set the new date and time Note The time is not set until you press the DO key To synchroniz2. U Ci D DB9F DB 9M e MPORTA NT Use of a generic serial cable for downloading data can cause data to be lost or damage to occur to the DB 100 Generic serial cables do not block the pins that are blocked by the JAMAR universal cable and potentially damaging voltage can be sent from the computer to the DB 100 on these pins Appendix Data Output Format The data that is sent out of the DB 100 is in standard ASCII text format Any communications program suchas Windows Hyperterminal can be used to capture the data It is also easy to write software that can read the raw data if you are familiar with a programming language Doing something with the data is another matter Each interval of data is sent separately The general format of the data is as follows AANAANAANAAAAAAAANAAANANA leader characters 20 001 count number 001 interval number 01 interval length nnnnnnnn site code hhmm start time mmddyy start date nnnn nnnn nnnn data 10 per line ccc checksum Notes e Checksum is mod 256 of all characters in interval e All lines are followed by CR LF characters 66 99 e Last line of data followed by 20 colons end of data character DB 100 User s Manual Status Count New Site Code Status Review Dump Local Modem Baud Phone Clear Confirm Utilities Tests Memory Display Keys S Port Time Date A4 Appendix Interval Start Menu Tree i DB
3. Vol 3 1 February 2003 i DB 100 User s Manual If you have any questions about the use of the DB 100 please call the following number 1 215 491 4899 Monday Friday 8 00 AM to 5 00 PM Eastern time You may also contact us by fax at 1 215 491 4889 or via e mail at sales jamartech com For more information on our products or for the latest news in product development visit our web site at www jamartech com Address any correspondence to JAMAR Technologies Inc 151 Keith Valley Road Horsham PA 19044 1411 Table of Contents Table of Contents Technical SUPPOUe sissivesssssiccveseccscassosncssucescebsssednnesesvovenssencassoueconsesscatsonsees ii Quick Setup Guide for the DB 100 ssssssscssssscesscsssscessscssseccseee iv Introduction to the DB 100 s s0ssesccossssessescesssesoosesuassoessascdessossaesssesoes 1 1 What is the DB 100 oo ee ceeceeceesecsceeceeseeeeceeceaeeaeeececsecaeeeeseneeaes 1 2 Maintaining Your DB 100 00 eee eeeeee cee ceeceteeeeeeeseeeaesnaeenaeees 1 3 How is the DB 100 Powered 00 0 0 eeccceececeseeeesteeeneceeaeeceeeeceteeeens 1 3 Programming the DB 100 00 eee eeeesceeeceeceneeeeeeeseeeneeaeseaeens 1 3 Using the Count Key siie iicseilcschivts tacestecaceesstactesslsoues beccestibscaestttas 1 4 Doing d Count seere cbeod teed states edad ote iaa E teens n 1 5 Operation of the DB 100 ccsscsssscsssscssssccsssscssccssssesssssssssssssssscees 2 1 Start
4. Specificatioins niani iaeiiio iaei NE eee a i iaai A 6 Field Worksheets aroen E haves E A E E AaS A 7 iii DB 100 User s Manual Quick Start Guide for the DB 100 1 Turn the DB 100 ON Once the main menu will be dis played Press DO while Count is flashing 2 On the next screen to start a STATUS EXIT new count press the TAB until New is flashing then press the Start a new Turning DO key movement count Do Turning Movement count bat OK 3 You are then given the option A ALPHA EXIT to enter a site code for the study This can be an 8 digit number Select 8 digit site or the street names of the inter code mode section being counted Alpha 4 Once a site code has been en tered you are prompted to se lect an interval length The most commonly used interval is 15 minutes Press the TAB key to highlight the interval desired then press the DO key 1 5 EH 30 60 EXIT Select interval duration minutes Press DO to accept 5 When starting a new count Count 001 always try to begin as close to Interval 001 an interval boundary as possible Any Key to Start such as xx 00 xx 15 xx 30 or 07 59 37 xx 45 6 Press any of the grey keys to begin counting and the DB 100 will start recording data 7 Once you have finished your count turn the DB 100 off and the data will be stored internally iv Chapter 1 Introduction to the DB 100 DB 100 User s Manual What is the DB 100
5. The DB 100 is an electronic hand held device that enables you to do the most common of all manual data collection studies intersection turning movement counts Multiple studies can be stored in the DB 100 using up to a total of 312 intervals of data For each count the unit stores the date and time the number of intervals used a site code and the data While collecting data you can record up to 16 distinct movements per intersection While the data that has been collected with the DB 100 can be manually extracted from its display the device is designed to be downloaded to a computer At any convenient time you can transfer the data to your com puter through the RS 232 serial port The PETRA Professional Engineers Traffic Reporting and Analysis software allows you to easily read edit and store the data as well as print a variety of reports and graphs TOMT RUIEN MEF CLERA UPLITIES Start or contin aruni ba a E ccce 1 2 Chapter 1 Introduction to the DB 100 Maintaining Your DB 100 The DB 100 is a complex electronic device Like other electronic devices televisions VCRs computers a certain amount of care should be taken to ensure it has a long productive life While the DB 100 is a very rugged and durable instrument some precautions should be taken Like other electronic devices the DB 100 can be affected by static electric discharge When using the device be careful to properly ground or d
6. a capital S After this signal is sent back to the DB 100 the data transfer will begin and the screen shown below is displayed TRANSFER IN PROGRESS count 001 interval 001 When all of the data has been transferred the DB 100 returns to the Main Menu The communications program can then be disconnected Phone Number Selection When using the Modem option the DB 100 dials the phone number that has been entered into its memory To enter change or just check CHANGE EXIT the current phone number Change phone used select Phone from the Dump in modem transfer menu The screen shown here 555 1212 is then displayed The current phone number is shown at the bottom of the screen If you want to change it then select Change and press DO Type in the new number just as you would dial a phone The table provided here gives the characters that can be entered by using the keys on the DB 100 Key 123456789 10 11 12 13 14 15 Symbol 123456789 0 P The TAB Key backspaces the DO key accepts the entry 3 6 Chapter 3 Retrieving Data from the DB 100 Press DO when you are done The new number is stored in memory and will be used whenever the Modem option is selected Retrieving Data Using the Review Menu Although the DB 100 is designed to be downloaded to a computer the data that is stored in memory can be manually viewed and transcribed using the Review Menu This options is especially useful
7. 100 User s Manual Specifications Size 7 5 x 7 x 1 5 Weight approximately 1 5 lbs Memory 32K CMOS RAM Lithium battery backup Power 4 AA alkaline batteries or 6 18 volts DC 200 ma through exter nal jack Interface RS 232 serial communications port 9 pin DBS socket Display wide temperature 4 line 20 character LCD display Output ASCII format capable of being read by JAMAR software or other communications program Data Collection Intersection Turning Movements 16 possible move ments Clock always active real time clock Appendix Field Worksheet Location Site Code DB 100 Serial Date Times Counted Check keys pointed to From North approach Check approaches counted Approach Names North South East West Northeast Southwest Northwest Southeast L See Reverse for Additional Notes Counted By A 7 DB 100 User s Manual Notes A 8 We are pleased that you have chosen the DB 100 for your traffic data col lection needs We have strived to develop a unit that is easy to use and has the options that our customers require The DB 100 has undergone exten sive testing to verify the accuracy of its operations and each unit is exten sively tested before it leaves our facility Should you detect any problems with this unit or any of our products please notify us immediately and discontinue use of the unit until we have verified its o
8. Up SCreenS arnis a ar a a e aaa 2 2 Main Mentoren E E teen Wee O NET 2 3 COUNE Men sererai i eene E EEEE A ieee 2 4 INGW E E O EE NA ETE EE E E gadis etetes sae 2 4 CONNUE eenia oie hae E A EE E a E T as 2 10 LEi n E AET 2 11 Clearing the Memory cieee iieri reh etare ae 2 11 Utilities Menu vai cau nae TEA EEA ER ang 2 12 TESS an a rra e an ani A A a Eales es 2 12 Pme Date eein ona he utente E ca A E E E E E 2 17 OPU ODS a ie e E OEE E AA E E 2 18 Retrieving the Data From the DB 100 ssccsssssssssssssscssscssceees 3 1 Downloading to the Computer seessseeeeseeeseseesesrrssessrsrissesrresessesens 3 2 Local Download to a Computer 20 0 cece ceeeceeeceneeereeenseeneeees 3 4 Baud Rate Selection wis c ce cece setates codadeda natant cuencdastecstucntatevasiess 3 5 Modem Transfer to a Computer 0 eee ee ceseeeeeeeeeeeeeeeeeeeeees 3 5 Phone Number Selection 0 ccceccccceececeeeceeeeceenaeceeaeeeeneeeeeees 3 6 Retrieving Data Using the Review Menu eeeeceesseeseeeneeeeeees 3 7 Battery Care sccteccccsisssscctsssecscnsetcosesssnssnadsconsedesnccuccessessstestasvecsvsvessessesses 4 1 Installing Batteries arna u er iE a Sasi 4 2 Troubl sh otin sssss seisssssosssesssoriessssssrsoisnises sosro roserne s opn essas souse ss ssoi 5 1 APPONGIX A EE E E E E EE E saccesonsesvensdexesesse A 1 Computer Interface Notes sseseeseeeeeseeseeressesresreeresresserresressereeses A 2 Menti Tree neiaa a AE E A A 4
9. back for repair Display Test The liquid crystal display used in the DB 100 displays four lines of 20 characters Each character is made up of 35 dots in a 5 x 7 matrix That s a lot of dots The display test lets you check the display to make sure it is showing what it should be showing To test the display select Display from the Tests menu and the screen shown below is displayed Press DO to start the test DISPLAY TEST Press DO after each test screen The display should look like the screen shown below Each charac ter should be an asterisk and there should not be any other dots displayed Lad Rad Kas Cok Rad Cad ah Rad Gad tad Sak Rati Sad Sad Ral Bak Rah Ral Ral Lad Bad Lah Gat Rad Gad Sati Rad Gad Bad ad Radi Sak bak Rad Bat Rat eal Ral Lad ad Kah ak Rad Gao Rah Ras Gad kad Sake Rad Gad Sak tad Ber Kab Ral Ral Lad Sad Lah Sak Sad Sak Gat Rad Gad Bad ad Rad Bad ak Ras Bad Ga kad a Press DO three times You should see a full screen of 8 then full screen of and finally a full screen of I If any of the screens do not display correctly then something is wrong with the display of the DB 100 Contact us using the information in the front of this manual to arrange to ship the DB 100 back for repair Chapter 2 Operation of the DB 100 Keys Test There are 18 push button keys or switches on the front panel of the DB 100 each of which performs a vital function It is
10. don t believe the count is registered if they can t see any evidence for themselves If you press the TAB key while counting the display 000 000 changes to show the totals 000 000 for each of the movements 000 000 buttons 1 16 Each row 000 000 shows one approach Note that this display assumes buttons 1 4 are the North direction If you press the TAB key a second time the display changes back to the default status screen showing the time You can continually press the TAB key to cycle through the two screens At the end of each interval the display automatically changes back to the default time screen so you can check to see if it is time to end the count As soon as you press one of the movement keys the display goes back to the screen you were using when the interval ended If you know that you are not near the end of the count yet you don t have to look at the display just keep counting When you get to the last interval keep counting until the interval ends signaled by the triple beep Once you hear this turn the DB 100 off Remember the only way to stop a count is to turn the power off DB 100 User s Manual Continue It is often necessary to do a study at the same location at different times of the same day For example you might do a count in the morning to count the morning peak and then return later in the day to count the afternoon peak You can choose NEW and just do two separate counts an
11. if you do not have software to download the data or if you are having trouble getting data to download To access the Review menu select Review from the Main Menu The following screen is then displayed COUNT 001 02 13 01 INT 001 07 00 BINS 01 04 EXIT TOT 001 008 040 010 The first line of the display list the number of the count that is currently being displayed along with the start date of the count The second line lists the interval number of the interval being shown along with the interval time The Bins entry on the third line lists the key numbers for the totals that are currently being shown on the fourth line When the highlight is on Count Int or Bins you can go to the next value or previous value by pressing the Change 14 and 15 keys You can move the highlight from Count to Int to Bins to Exit and back with the TAB key just like with the other menus Next to TOT are the number of counts for the four bins You are shown four keys at atime each set being one approach It is easy to scan through the data and check to see if it seems reasonable The procedure to examine data for a count is very simple Move the highlight to Count Press Change until the desired count number is displayed The date and time can be used to find a particular count if you are not sure of its count number 3 7 DB 100 User s Manual If you want to look at all of the data then move the highlight to Bins and press the change
12. of tests that can be performed which are Memory Display Keys and Serial Port Use the TAB key to move the highlight to the test you want to do and then press DO Memory Test The DB 100 contains low power solid state memory that is used to store the data from the various counts Solid state memory is extremely reliable However like any electronic element it can go bad If you suspect there may be a problem with the memory you can easily test it To test the memory select MEMORY from the TESTS menu The screen shown below is then displayed MEMORY TEST TESTING Please wait Sad cat bah ao The DB 100 automatically starts testing the memory It takes only a few seconds to complete the test Every few seconds a star is displayed on the screen so that you ll know that something is happening The test does not affect any data that is stored in the DB 100 If the test is successful the word PASSED is displayed as shown below MEMORY TEST PASSED Press DO to return to TESTS Menu 2 13 DB 100 User s Manual If the test is not successful an error message is printed There is not much you can do except check the main batteries to see if they are low It is possible but very unlikely that if the batteries are low the microprocessor is not executing the test properly If the memory test fails contact us using the information in the front of this manual to arrange to ship the DB 100
13. order for the serial port test to work correctly you must use atest connector to connect pins 2 the output to pin 3 the input The test will fail if a connector is not used properly The easiest way to connect pins 2 amp 3 is to use a paper clip that has been Pin3 Pin2 straightened out Note that the cable used to download data to your com puter cannot be used as a test connec tor Refer to the diagram shown here to determine which pins 2 and 3 are on the serial port The port itself also has small numbered labels for each pin The DB 100 sends a series of known messages out of the serial port and at the same time reads the messages coming into the serial port Since they are the same messages the DB 100 can tell if it is sending and receiving correctly This tests the entire serial port section of the DB 100 circuitry Once you have connected pins 2 amp 3 properly press the DO key and the test will begin The following screen will then be displayed SERIAL PORT TEST The DB 100 performs the test and if the test is successful displays the following screen SERIAL PORT TEST Test PASSED Press DO to return to TESTS Menu Chapter 2 Operation of the DB 100 You can now remove the test connector and press DO to return to the TESTS menu If the test fails then the DB 100 displays a screen similar to the one above except the word FAILED is displayed instead of the word PASSED
14. series of menus to further define the parameters of the count starting with the Site Code Site Code The data in the DB 100 includes the date and time that the count was done but no direct information on where the count was done Correct use of the Site Code is a way for you to guarantee that the data you think was collected at a particular site was indeed col lected there The DB 100 has two different types of site codes that you can use to identify your counts The first is simply an 8 digit number that you assign to a particular count so that you can uniquely identify the location of the count when you download the data from the DB 100 to your computer The second allows you to enter two lines of twenty alpha numeric characters typically used to show the North South street name and the East West street name at the intersection where the count is done After you select NEW f e ALPHA EXIT from the COUNT menu the site code selection screen is shown Select 8 digit site code mode Chapter 2 Operation of the DB 100 Select 8 DIGIT to use a simple 8 digit site number to identify the location of the count or select ALPHA and enter the actual names of the streets where the count is being done If you select 8 DIGIT the display changes to Site code Enter up to 8 digits Press DO to accept BANK1 TAB to cancel It is simple to enter the Site Code Use the keys 1 10 like a key board 10 0 Enter the number you w
15. this manual contains a Field Worksheet that can be used when performing counts This worksheet or a similar one will help to keep track of what was done during a count If you keep good notes in the field you won t have any problems no matter which way the DB 100 is aligned Once you have determined how to conduct the count you are ready to begin However before going to the site you should prepare a checklist like the one below to prevent potential problems 1 Is the equipment in good working condition Can it col lect store and download data properly Yes No 2 Have all decisions been made regarding how the data is to be collected Yes No 3 Are the people doing the study familiar with how to collect the data Yes No 4 Are the people doing the study familiar with the equip ment they will be using Yes No 5 Are the people doing the study equipped with all needed accessories spare batteries watches pens amp paper etc Yes No During the data collection itself the first priority of those doing the study should be safety Data collection personnel should stay a safe distance from the traffic and distract drivers as little as possible Whenever possible data collection personnel should work in pairs to minimize the threat of crime stray dogs etc 1 5 DB 100 User s Manual An excellent source for more detailed information on collecting traffic data is the Manual of Transportation Engineering Studies publ
16. very impor tant that the keys work reliably The keys are the only components in the DB 100 that are susceptible to wear amp tear Our experience suggests that some customers think that the harder they push the keys the more important the DB 100 will consider the count This is not true Actually the counter prefers gentle pressing of the keys Please keep it in mind To test the switches select KEYS from the TESTS menu The screen shown below is then displayed SWITCH TEST Press any one key You pressed 1 DO to exit Each time you press a key the DB 100 displays the number of the key on the display The TAB amp DO keys are spelled out Press each of the keys until the all of the switches have been tested Press DO to return to the TESTS menu If any of the keys won t register on the display contact us using the information in the front of this manual to arrange to ship the DB 100 back for repair Serial Port The DB 100 has an RS 232 serial port that is used to transfer its data to your computer for analysis The serial port has bi directional capability meaning that data can be sent out to the computer and commands can be received in from the computer To test the serial port se SERIAL PORTTEST lect S PORT from the Short pins DERESE TESTS menu The screen shown here is then dis played Press DO to begin test procedure DB 100 User s Manual eek MPORTA NTH In
17. 0 1200 4800 9600 EXIT Select Baud rate then press DO Use the TAB key to move the highlight to the baud rate you want Most computers will allow transfer at the fastest baud rate of 9600 Once you have set the baud press DO The new Baud Rate is then selected and will be used every time for the download unless you change it Modem Transfer to a Computer The DB 100 has a special option that allows you to transfer the data to your office computer using a portable modem This feature is useful if itis difficult or inconvenient for the field people to bring the DB 100 to the office to dump the data Note however that the modem option is not supported by the PETRA software You must use a communications program such as Windows Hyperterminal or your own custom program to use this option To transfer data using the Modem option select Modem from the Dump screen and press DO The screen shown transfer via modem here is then displayed Baud Rate 9600 BEGIN EXIT Press DO to begin 3 5 DB 100 User s Manual Connect the pocket modem to the DB 100 plug the phone cable on the modem into a phone jack and then press DO The DB 100 dials the phone number stored in the DB 100 refer to the following section on how to setup the phone number and attempts to connect to the office computer Once the connection is made a signal must be sent back to the DB 100 to tell it to begin the download This signal is one character
18. 0 before proceeding After a few seconds the status screen clears and the Main Menu is dis played Chapter 2 Operation of the DB 100 Main Menu eet REVIEW DUMP CLEAR UTILITIES Do Turning Movement count bat OK The Main Menu screen is the starting point for all of the options in the DB 100 The options on this screen are COUNT Start a New count or Continue the previous count in mem ory You can also check the amount of memory left for new counts REVIEW Display on the screen the data in memory for any of the counts This process is described in chapter 3 DUMP Download all of the data in the DB 100 to a computer through the serial port This process is described in chap ter 3 CLEAR Clear the memory of all count data UTILITIES Perform miscellaneous operations that include a variety of hardware tests set the time and date and beeper con trol This screen also indicates the status of the AA batteries in the unit The batteries register as OK if they have enough power for a count They register as Low when they should be replaced DB 100 User s Manual Count Menu aly STATUS CONTINUE EXIT Start a new Turning movement count When you select Count from the Main Menu the screen shown above is displayed There are several options that may be available on this menu New Select New from the Count menu whenever you want to start a new count The DB 100 will then step you through a
19. able connection between the unit and the computer e Check that the baud rate selected in the unit matches that in the software e Make sure there is enough power for the download Either plug in the external power supply or try a new set of batteries Refer to Chapter 3 Retrieving Data From the DB 100 for other items to check Serial Port test failed Make sure that you are using a test connector with the proper pin configu ration The test will fail if a test connector is not used to connect pins 2 and 3 The universal cable used for downloading cannot be used as a test con nector The DB 100 beeps or does not beep every time I press a key Can this be changed Yes The beeper can be turned on or off by using the Utilities menu Refer to page 2 18 for more detailed information A Real Time Clock error appears when I turn the DB 100 on There are several possible causes for this The unit may have been affected by static electric discharge the internal lithium battery my be failing or some other internal component may have been damaged If you encounter this error perform the following 5 2 1 Clear the memory 2 Reset the Date and Time 3 Perform a short test count by programming the unit to start counting and letting it sit for 1 hour 4 Turn the unit off then back on to see if the error occurs again If the error occurs again contact us using the information in the front of this manual Additional troubleshoot
20. ant The display shows the numbers as you type them in If you make a mistake press BANK1 TAB and start over When the number on the display is correct press DO and you will go to the interval menu If you select ALPHA from the Site Code Type Select Menu the display shows the screen shown below North South Street A uset TAB advance ATAB cancel DO done The top line of the display shows the title North South Street with the cursor flashing on the letter A You enter the street names one letter at a time using the Change keys 14 amp 15 to scroll through the alphabet until the display shows the letter you want You then press the TAB key to select that letter and advance to the next letter The display now shows a blank character which is the de fault character to start with each time You can use the up arrow key to move to the letter A or you can use the down arrow key to go to the number 9 In this way you can quickly select each letter you need You have 20 characters for each street address and you can use any letter from A Z and any number from 0 9 You can also use spaces No other characters are available 2 5 DB 100 User s Manual You continue in this manner until the entire street address is vis ible on the display If you make a mistake press BANK1 TAB to cancel the operation When the display is correct press the DO key The display then shows a similar screen for the East West street Repeat the p
21. button while reading the data displayed next to Tot The Bins increments each time you press a change key After the last data point in the interval is displayed the Intnumber increments by one and Bins automatically goes back to 01 04 You can go through all of the data by continuously pressing the Change keys If you want to look at a specific interval of data then move the highlight to Int and press a Change key until the required interval is displayed Then follow the procedure outlined above to display the data If you always use the analysis software to download and analyze the data and we certainly hope you do then you probably will never need to use the Review option 3 8 Chapter 4 Battery Care DB 100 User s Manual Installing Batteries The DB 100 is powered by four AA cell batteries Use of low power electronics in the DB 100 makes it possible for the batteries to last for several months depending on use Eventually however the batteries will need to be replaced The back of the DB 100 contains the battery compartment The batteries can easily be popped out and replaced You should use high quality alkaline batteries which you can get at any convenience store seek MPORTANT H tees Be very careful to observe the proper polarity when installing new batteries Prolonged use of the DB 100 with incorrectly installed batter ies can cause batteries to burst damaging the unit Do not mix old batter
22. d treat them separately or you can choose to CONTINUE the first count When selecting the Continue option the DB 100 automatically selects the same counting interval and site code you used for the previous count When the information is downloaded the analysis software combines the data from the two sessions into one count and puts zeros in all of the data points between the two counts An option in the software lets you print just the collected data so that all of the zeros are not printed on the report The Continue option is not always available as an option and as a result is not always shown on the display The DB 100 checks the count in memory to determine if it is a count that you can continue The rules for being able to continue a count are as follows 1 You cannot Continue a count unless it is on the same day as the previous count All studies with the DB 100 are confined toa single day 2 You can only Continue the last count performed Previous counts cannot be continued With the exceptions noted above you can CONTINUE any count any number of times when you use the DB 100 2 10 Chapter 2 Operation of the DB 100 Status Before starting a New count or Continuing a previous count the Status menu can be used to determine whether or not there is enough memory in the DB 100 to conduct the next count Counts stored XXX Intervals used XXX Intervals left XXX Press DO to return The status screen show
23. e the time to the second set the time one minute ahead then wait until your watch shows the seconds equal zero and then press the DO key 2 17 DB 100 User s Manual Beeper The DB 100 has a built in beeper that beeps when most keys are pressed Some people like the beep It is a positive indication that the key pressed was detected by the microprocessor In the field while you are busy watching the traffic the beep can be reassuring Other people don t like the beep especially in a quiet car You can easily change the current mode of the beeper from on to off or from off to on Select Beeper from the Utilities menu The screen shown here is then displayed BEEPER MODE O OFF EXIT Turn Beeper ON Use the TAB key to move the highlight to the mode you want then press DO The new mode is installed immediately and you are returned to the Options menu The DB 100 remembers the mode you have selected even after it is turned off If you change the beeper mode to off then it will stay off unless you change the mode again Chapter 3 Retrieving Data from the DB 100 DB 100 User s Manual There are two ways in which to retrieve data from the DB 100 by down loading it to a computer or by manually retrieving it using the Review menu Downloading the data is the easier and much more commonly used of the two options Downloading to the computer The DB 100 is specifically designed to allow the data to be tra
24. es to uniquely iden tify every possible counting location in their area usually using a map reference system 123 456 7 8 might mean location at grid point 123 456 facing direction 7 counted by tech 8 others sim ply start at 1 each day and add one for each count As long as you are consistent with your scheme and keep a separate worksheet record you won t have any trouble 2 6 Chapter 2 Operation of the DB 100 Once you have entered the site code you will be taken to the Inter val menu Interval Once you have programmed a site code for the study you are prompted to choose the interval length that will be used 1 5 15 30 60 EXIT Select interval duration minutes Press DO to accept You are given the choice of 1 5 15 30 or 60 minute intervals An Interval is the amount of time the DB 100 collects data before it stores the accumulated totals in memory You are barely aware of intervals changing when you do a count with the DB 100 the counter beeps at the end of each interval to let you know it may be time to go home The counter automatically keeps track of the time and stores the data at the end of the interval You only have to concentrate on collecting the data This is one of the major fea tures of the DB 100 The default value is 15 minutes as this is the most common inter val length used for Turning Movement studies We recommend that you use 15 minutes unless you have special requirements Pres
25. ict with another device you can use a USB port by using a USB to Serial Adapter These devices allow serial peripherals like JAMAR equipment to interface with a USB port Run the analysis software on your computer and prepare it to read the counter Turn on the DB 100 Once the Main Menu appears use the TAB key to select DUMP The screen shown below is then displayed Koja H MODEM BAUD PHONE EXIT Begin local transfer at 9600 baud LOCAL Download data to a local computer through a JAMAR uni versal cable MODEM Transfer data to a remote computer through a portable modem BAUD Set the Baud Rate at which the data is transmitted PHONE Set the phone number of the remote computer used with Modem option 3 3 DB 100 User s Manual Local Download to a Computer In most cases the Local mode is the one you will use to download the data to your computer Select Local and press DO The screen shown below is then displayed Ec EXIT Press DO to start local dump Baud Rate 9600 Note that the baud rate that the DB 100 is currently set for is shown on the last line The baud rate is the speed at which the data will be sent from the unit to the computer The Baud Rate set in the DB 100 must match the baud rate that has been selected in the software Refer to the Baud Rate Selection section on page 3 5 for information on how to set the baud rate in the DB 100 Atthis point the DB 100 is ready to download Make s
26. ies with new batteries or mix brands of batteries when replacing the batteries This can cause batteries to burst damaging the unit You should be able to replace the batteries without disturbing the data in the DB 100 The memory of the unit is backed by an internal lithium battery and is retained even when the AA batteries are removed Just to be safe however we suggest that you download the data to your computer before you replace the batteries Then Clear the counter after the new batteries are installed to reset everything properly We recommend that you keep track of when you have changed the batteries in the DB 100 and establish a regular routine for changing them This should help to avoid having to change the batteries in the middle of a count Chapter 5 Troubleshooting DB 100 User s Manual TROUBLESHOOTING The following are some common questions problems that can be encoun tered when using the DB 100 The possible answers that are stated with them are not necessarily the only answer but should be checked first be fore contacting us If you cannot find the answer to your problem question do not hesitate to contact us Contact information is listed on the first page of this manual The DB 100 will not turn on Check that the unit has enough power to operate Replace the AA batteries with fresh ones or plug in the external power supply The DB 100 will not download Perform the following checks e Check your c
27. ing information can be found on our web site at www jamartech com If you are unable to find a solution to your problem or question contact us using the information located on the first page of this manual 5 3 DB 100 User s Manual This page was intentionally left blank 5 4 Appendix DB 100 User s Manual Computer Interface Notes The following information is not normally needed to use the DB 100 It is provided for those who are interested in some of the technical aspects of the DB 100 It is also provided for those customers who do not plan to use the analysis software or who are interested in interfacing the DB 100 to their own computer hardware and or software systems Serial Port Parameters The DB 100 has a built in serial port The serial port fully conforms to the RS 232 voltage conventions The format is fixed as 8 Data Bits 1 Stop Bit No Parity Interface Cable The DB 100 is normally supplied with a JAMAR universal interface cable to connect the DB 100 to your computer This is a customized cable that works with a variety of products sold by JAMAR The cable has two 9 pin connectors The male plug connects to the JAMAR equipment while the female plug connects to a serial COM port on your computer The universal cable uses only three wires There is no handshaking required or implemented When the data is downloaded the DB 100 assumes that something is out there to receive it o9 DB 400
28. ischarge yourself especially in cold weather when static electric build up is more prevalent The DB 100 is not waterproof Like other electronic devices the DB 100 can be damaged or otherwise adversely affected by getting wet Be sure to protect the unit properly during inclement weather Be careful not to spill any liquids into the unit How is the DB 100 powered The DB 100 is powered by four AA batteries The electronics of the unit are designed to draw as little power as necessary so depending on use a fresh set of batteries may last several months before they need to be re placed The display of the DB 100 shows the status of the batteries and warns you when the battery voltage is starting to get low An optional power supply can also be used with the unit to further extend the life of the batteries This unit which plugs into a wall socket is recom mend for use when downloading the DB 100 to a computer When in the field an optional cigarette lighter adapter can be used with the unit This item draws power from the car s battery and is required for DB 100s equipped with backlit displays Programming the DB 100 The DB 100 is simple to use An OFF ON switch on top of the unit panel is used to turn the unit on and off A 4 line by 20 character display helps you select the proper entries All options are clearly displayed with the cur rently selected option shown with a blinking highlight The bottom lines of the display a
29. ished by the In stitute of Transportation Engineers The following is excepted from the manual Safe efficient and effective data collection requires skill atten tion to detail and common sense The importance of good data cannot be overstated Important conclusions are drawn from field data that form the basis for decisions that affect the expenditure of large amounts of money and can have a significant effect on the safety of the public at large Data collection demands the same level of professionalism as any other task undertaken by an engi neer or engineering technician 1 6 Chapter 2 Operation of the DB 100 DB 100 User s Manual Start up Screens To turn on the DB 100 use the power switch that is mounted on the top panel of the unit When the unit first comes on the sign on screen is shown This screen shows the current version number of the firmware in the DB 100 JAMAR TECHNOLOGIES DB 100 Version 3 00 All rights reserved After a few seconds this screen is replaced by the status screen DB 100 Status Counts Stored 002 Intervals Used 032 Intervals Left 280 This screen shows the number of counts stored in memory and the amount of memory in number of intervals used and left for new studies Make a note of the amount of memory left If you are not sure if it is enough for the study you want to do then you should download the data to your computer and then clear the memory in the DB 10
30. n above tells you information about the memory in the counter The most important number is on the third line the number of intervals left You want to make sure you have enough memory to do the counts you want to do before you bring the counter out to the field If you are not sure you should download the data in the counter to your computer for processing and then clear the counter to free up the memory The status information is always shown when you turn on the DB 100 counter but you can also re display it from the Count menu if you didn t notice it the first time Clearing the Memory The DB 100 stores the count data COUNT REVIEW DUMP in low power solid state memory and aS the data even if ie UTILITIES counter is turned off Once the data Clear memory of all has been transferred successfully Count data bat OK to the computer however there is no need to keep the data in the DB 100 The only way to clear the data and make room for new counts is to use the Clear option Select Clear from the Main Menu The first level of protection checks CLEAR CLEAR EXIT to make sure you pressed the cor rect key in the Main Menu Assum ing you did move the highlight to Clear memory of all CLEAR and press the DO key count data DB 100 User s Manual The second and final level of pro tection asks you to confirm that La EXIT you really want to clear the memory Again assuming you do move the Yes I really wa
31. nsferred to a computer for analysis Although it is certainly possible to use the Review option to read and remove the data by hand it is not really practical if you use even a small number of the 312 intervals available in the DB 100 A much better method is to do the counts you need to do and then transfer all of the data to a computer at one time for further analysis Our PETRA Professional Engineers Traffic Reporting and Analysis soft ware is the program most commonly used for download and analysis This section of the manual assumes that you are using this software The DB 100 has a built in RS 232 serial port that is used to transfer the data to any computer with a corresponding serial port To start the down load process turn the DB 100 on and connect the plug of the JAMAR universal cable to it Then connect the cable to the computer xk M PORTA NTH k Always turn the DB 100 ON before connecting it to the computer Always use a JAMAR universal download cable when transferring data from the DB 100 to a computer Use of a generic cable can cause data to be lost or damage to occur to the DB 100 Use the optional external power supply during the download process whenever possible The download process draws a significant amount of power so use of the external power supply will prolong the life of your AA batteries The universal cable must be plugged into a serial COM port on the com puter Some computers have one serial por
32. nt to clear highlight to Confirm and press the memory DO key Jf you clear the memory by accident after all this don t blame us Memory Cleared The memory is cleared and the y screen shown here is displayed Press DO and you will then be returned to the Main Menu Press DO to return to Main Menu Utilities Menu COUNT REVIEW DUMP The Utilities Menu contains a mis CLEAR iE a3 cellaneous assortmentofoperations Tests time date 3 3 that are necessary and or helpful to set options bat OK the operation of the DB 100 When you select Utilities from the main menu the following screen is displayed TESTS TIME DATE BEEPER EXIT Test memory keys display s port You have three sub menus from which to choose Tests Time Date and Beeper Tests The DB 100 is designed to be a very reliable instrument It is manufac tured with high quality components and is designed to withstand rugged use in the field It is also a very sophisticated product with a microprocessor brain One feature of this brain is that it can perform a series of diagnostic self tests to help you verify the correct operation of the DB 100 even in the field Chapter 2 Operation of the DB 100 To perform one or more diagnostic tests select Tests from the Utilities menu The screen shown below is then displayed MEMORY DISPLAY KEYS S PORT EXIT Test memory keys display s port The display shows the four types
33. peration A 9 DB 100 User s Manual This page was intentionally left blank
34. perience of the people doing the counts there are no simple rules of thumb we can give you to help you decide The important thing is to use your knowledge of the people counting along with your experience with the traffic they are likely to see in the field to decide in advance what the best strategy would be Deciding on how the DB 100 will be oriented during the study depends on where you will actually be located while doing the count When the data from the unit is downloaded to our software the program assumes that the 1 through 4 keys were for the from north southbound approach and the rest of the keys are assigned accordingly The DB 100 s front panel has a symbol with compass points showing north south east and west This sym 1 4 Chapter 1 Introduction to the DB 100 bol is included to suggest that you align the counter so that buttons 1 though 4 faces north while you are doing the count It is not necessary to always conform to this practice Sometimes it is more convenient for you to face another direction when you do the count especially if you want to be able to read the display The analysis software allows you to select which button was facing north during the count it just defaults to button 3 We recommend that if pos sible you use the default direction since it eliminates one source of error when you do the analysis If you don t use the default direction it is impor tant to note this The last page of
35. re used to explain the option that is highlighted Two buttons are all that are used to move from menu to menu and to select from the various options shown on the display The TAB key is used to 1 3 DB 100 User s Manual cycle through the options while the DO key is used to select an option If you move the highlight too far and over shoot the desired option just keep pressing the TAB key until it is re selected Using the Count Keys The DB 100 is designed to make turning movement counts simple and accurate The buttons are arranged to simulate a standard intersection There are 16 buttons with 12 normally used for the left thru and right move ments from each of the four approach directions The additional four but tons are user defined they can be used for buses trucks bicycles pedes trians or whatever you want Since the DB 100 looks like an intersection doing a count is very intuitive If a car makes a left turn from an approach you simply push the button that shows a left turn from that direction The DB 100 keeps track of every thing else for you Doing a Count Before you start a turning movement count you must ask yourself the following questions e What are the user defined buttons 1 5 9 13 going to be used for if at all e Can one person do the study or will it require two or more using separate counters e How is the DB 100 going to be oriented The answer to these questions depends upon the ex
36. rocedure explained above When you are done with the second street address press DO and the DB 100 goes on to the interval menu The titles say North South Street and East West Street but that isn t necessarily what you have to enter You have two lines of char acters you can use any way you want Which of the two types of site codes you use is a matter of preference The ALPHA input is more precise with the actual names of the streets entered with the data but some people don t like to enter the names one letter at a time The 8 Digit site code is certainly easier to use but then you have to have some sort of system to link the site code entered into the DB 100 with the names of the streets This can be done by using the Field Worksheet located in the back of this manual Have the people who do the counts fill out the information on the worksheet along with any other information you think is important a sketch of the location is usually a good idea This worksheet should then be brought back to the office and used as a reference when the data is transferred to the com puter This is a simple system that has worked well for many different agencies It avoids the occasional problem of trying to remember exactly where a particular count was done especially if the person who did the count is not available for one reason or another What Site Code scheme you use is entirely up to you Some agen cies have developed elaborate coding schem
37. s DO once you have selected the interval length you wish to use ee cone ee Count 001 ter you have selected an Interval 001 interval to use you are ready to start the count The display shows the cur rent count number and the interval number In the example shown this is the first count done and it is at the first interval Any Key to Start 07 59 37 2 7 DB 100 User s Manual The DB 100 is waiting for you to push any movement button which starts the count The display in the lower left corner shows the current time so it is easy to synchronize the start of the count to the beginning of the desired interval You do not have to push the first button exactly when the seconds roll over to zero The analy sis software rounds the start of the count to the nearest minute automatically However when starting a new count always try to begin as close to an interval boundary as possible such as xx 00 xx 15 xx 30 or xx 45 Press any of the gray keys to begin counting and the DB 100 will start recording data When you push the first button to start the count Count 001 the display changes to Interval 001 show the amount of time left in the present interval 08 01 23 In this case it starts at 15 00 minutes and counts down to zero At the end of each inter val the DB 100 beeps three times Normally you are not watching the display you are watching the traffic The beeps remind you that the interval is o
38. t some have two The ports may be labeled on the computer itself with COM 1 listed as 1 or A and COM 2 listed as 2 or B The following tips should help you to avoid problems when download through a computer s serial port 1 You must correctly identify what port you are plugging the cable into Just because your cable fits into a connector on your PC does not 3 2 Chapter 3 Retrieving Data from the DB 100 mean it is a serial port Consult your computer manual if you have any questions on which ports are serial ports on your computer 2 Many computers have more than one serial port You will need to know which serial port you are plugging the universal cable into Se rial ports are designated as COMx where x is a number from 1 to 4 You will need to know this number to download the DB 100 3 Some devices that are plugged into a computer s serial port will not allow the DB 100 to download its data properly These devices require a device driver to be running in the computer at all times Mice digi tizer boards PDAs light pens digital cameras and scanners are all devices that require these device drivers to be running If you have to unplug a device from the serial port to plug your DB 400 in be sure that the device does not have a driver running in memory 4 Currently all JAMAR equipment that interface with a computer use a serial port to do so However if you do not have a serial port on your computer or there is a confl
39. ure your software is properly setup refer to the software manual if you have any questions on this then press the DO key The display screen will then show the following TRANSFER IN PROGRESS count 001 interval 001 The DB 100 starts sending the data to the computer beginning with the first interval of the first count The screen shows the count number and interval number that is being transferred When all of the data has been transferred the screen returns to the Dump Assuming the transfer is successful you can then select EXIT to return to the Main Menu Note The DB 100 has no way of knowing if the transfer is successful for technical types there is no handshaking The data is sent out the serial port and hopefully something is there to catch it If the data has been successfully sent to the computer you should see a window for each file appear in the software Check the data in the software to make 3 4 Chapter 3 Retrieving Data from the DB 100 sure the download has been successful If everything looks okay you may clear the memory of the unit using the process described on page 2 11 Baud Rate Selection The Baud Rate selection controls the speed at which the data is transmitted from the DB 100 You normally only have to set the Baud Rate once to match the setting in the software To set the Baud Rate use the following steps Select Baud from the Dump menu The screen shown below is then displayed 30
40. ver This is only important if this is the last interval and you are ready to quit otherwise just ignore the beeps and keep counting vehicles zek TV PORTA NTs Once you start the count the only way to quit the count is to turn the DB 100 off Always wait for the end of interval beeps before turning the unit off There is no data stored in the counter until after the first interval If after starting a count you realize that you set one of the param eters wrong you can turn off the counter and restart the count cor rectly However once an interval has finished the count is stored in memory So if you realize after the first interval that you have made a mistake you need to either make a note to the person down loading the data to ignore that count or clear the DB 100 s memory as described on page 2 11 2 8 Chapter 2 Operation of the DB 100 You have two display options while you are doing the count The status screen shows the current time and the amount of time left in the interval among other things Normally you do not look at the screen while you are doing a count you are busy looking at the traffic All you really need to know is the time so that you know when the count is over However some people like to be able to see the counts accumulate in memory especially if they have done counts for years with me chanical counters that show the count totals change as the buttons are pushed Some people just
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