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RetroSign GRX User Manual / December 2017

DELTA

•

Click on an inspection in the list to see the particular inspection and the associated data. If a
line is green (as in the example above), it means the sign has passed the pass/fail check,
whereas if a line is red is has failed the check.

5. Map

The GRX App has a mapping tool which can be used to show the locations of the individual
inspections.

•

To see where the inspections

to place, select ‘MAP’ in the Main Menu:

Note: the iPad must be connected to the internet in order for the mapping to work.

•

Below is an example of a mapping of inspection results in a series:

Содержание RetroSign GRX-1

Страница 1: ...45 72 19 40 00 roadsensors delta dk RetroSign GRX Retroreflectometer User Manual On site Quality Control of Road Traffic Signs High Visibility Clothing Conspicuity Tapes and License Plates in accorda...

Страница 2: ...ler or an experienced radio TV technician for help RF Exposure statement RetroSign GRX is compliant with the requirement for RF exposure in US with 80 mm separation distance between the user and or by...

Страница 3: ...COMPONENTS THE SOURCE CODE IS AVAILABLE UPON REQUEST Intended use purpose RetroSign GRX retroreflectometer is a portable field instrument used for on site inspection and quality control of retrorefle...

Страница 4: ...RetroSign GRX User Manual December 2017 4 DELTA...

Страница 5: ...RetroSign GRX User Manual December 2017 5 DELTA...

Страница 6: ...RetroSign GRX User Manual December 2017 6 DELTA...

Страница 7: ...ent geometry 13 GRX type ASTM 13 GRX type CEN 14 GRX type SAFETY 14 Battery 15 Battery charger 15 SECTION 3 Operating information 18 Getting started 18 Switching the instrument on off and stand by 18...

Страница 8: ...61 Measurement 62 Log export 62 How to limit errors 63 SECTION 5 Maintenance 65 General care 65 Front lens 65 Battery 65 Battery charger 65 Calibration target 65 Calibration 66 Appendix A Specificatio...

Страница 9: ...rect sheeting application RetroSign GRX combines CEN and ASTM geometries in one instrument and is available in three base models GRX 1 one entrance illumination and 1 observation angle GRX 3 one entra...

Страница 10: ...tive Clothing at a 0 2 degree Observation Angle and an Entrance Angle of 4 degree discontinued Overview of RetroSign GRX It is very easy to operate the RetroSign GRX and requires a minimum of instruct...

Страница 11: ...ed with magnets to the GRX and can easily be removed It defines the entrance illumination angle and is magnetically encoded for measurement standard and main observation angle The backside of the angl...

Страница 12: ...omatic color recognition Sign legend and background retroreflectivity calculated contrast Sign property data collection Record temperature and relative humidity Automatic data storage USB port for dat...

Страница 13: ...rring data records to a computer for further processing Factory calibrations The RetroSign GRX is factory calibrated The reference s RA value is measured in DELTA s DANAK accredited calibration labora...

Страница 14: ...on angle are 0 33 GRX 1 and the three observation angles are 0 33 0 5 and 1 0 GRX 3 respectively and all available observation angles in GRX 7 i e 0 2 0 33 0 5 0 7 1 0 1 5 and 2 0 The measurement area...

Страница 15: ...ble short circuiting the battery contacts Do not insert the battery in the charger if the battery is cracked Using a damaged battery may result in electric shock or fire See further details in the bat...

Страница 16: ...green indicator light is flashing the battery is being fast charged Fast charging will automatically stop when the battery is fully charged For your safety Read all instructions Failure to follow all...

Страница 17: ...Manual December 2017 17 DELTA Practical advice With continuous or repetitive charging cycles without interruption the charger can warm up This is of no consideration and does not indicate a technical...

Страница 18: ...instrument on off and stand by Turn on press the red power button Stand by press the power button shortly to switch off RetroSign GRX and set it in stand by mode The instrument can easily be switched...

Страница 19: ...on Function Explanation Measure Perform an inspection Series Select add or delete series of measurements Users Select add edit or delete a user Templates Add edit or delete templates Log Overview of c...

Страница 20: ...elect Users from the main menu This is then displayed on the screen Here you have these five options 1 Activate a user by tapping the relevant user name on the list 2 Filter or find an existing user b...

Страница 21: ...n inspection is defined as all the collected data and measurements on a single sign A template defines which measurements should be conducted for a specific inspection and contains information of comm...

Страница 22: ...he GRX has a built in pass fail functionality that indicates the performance of the inspected sign When you have completed an inspection of a sign you will see one of these symbols The sign has passed...

Страница 23: ...1 Filter or find an existing template 2 Edit an existing template 3 Add a new template 4 Delete a template Below are instructions for each of these options 1 Filter or find an existing template You fi...

Страница 24: ...shows the template s that match the filter 2 Edit an existing template Edit an existing template by first tapping on the relevant template and then press at the top of the screen This is then displaye...

Страница 25: ...ty to select the relevant number 0 10 Should a photo be included in the measurement Press Take Picture Optional feature Which data fields should be linked to the template Press Add new field and selec...

Страница 26: ...wipe up down functionality to select the relevant number 0 10 Should a photo be included in the measurement Press Take Picture Optional feature Which data fields should be linked to the template Press...

Страница 27: ...ect Series The list of series already defined in the GRX is now displayed on the screen In the bottom line of the series name a brief description of the series settings is shown Here you have these op...

Страница 28: ...t Type 0 or leave the field blank if a performance check for one of these is not needed How many measurements of background and legend should been taken Use the swipe up down functionality to select t...

Страница 29: ...elevant series name and type it at the top of the screen under Name Then design the new series by defining these elements Should it be a single or multiple measurements Note if Single Shot is activate...

Страница 30: ...f your own data field Finish adding fields by pressing Add Any changes made to the series are automatically stored Once you have completed designing the new series press to return the series list 5 De...

Страница 31: ...ity compliance testing see below section for further instructions Note You can change to single shot mode directly from the inspection screen If you do so the series chosen will be updated with this s...

Страница 32: ...RetroSign GRX User Manual December 2017 32 DELTA Press Select MUTCD sign on the screen Then select the relevant MUTCD category from the list...

Страница 33: ...lter the list On the next screen choose the correct variables for the sign you are about to inspect e g background color Press the drop down arrow next to the variable for a list of options see exampl...

Страница 34: ...formation for further details You may alter the threshold offset value to a higher level than the required level e g 10 as in the example below Press done to transfer the information e g MUTCD code sh...

Страница 35: ...eadings by pressing Next on the touch screen or press the trigger button and carefully follow the instructions on the screen Below details the different kind of actions you might be asked to do How ma...

Страница 36: ...e the sign legend Place the RetroSign GRX on the element you want to measure and press Measure on the screen or press the trigger button on the GRX handle to do the measurement reading DELTA recommend...

Страница 37: ...screen To redo the measurement press Redo measurement or press at the top left corner To accept the results press Confirm on the screen to confirm the measurement To stop the measurement completely pr...

Страница 38: ...select the correct color from the list Continue performing your inspection by following the instruction steps on the screen At the top of the screen a process indicator highlights your progress in the...

Страница 39: ...ccur on the screen For further details see section 4 Errors and warnings MUTCD Library The GRX uses the MUTCD library to identify the particular type of sign that is being inspected and to check that...

Страница 40: ...ELTA Note special cases W3 1 W3 2 W3 3 and W3 5 are not supported by the GRX because these types of sign contain 3 or more colors How to work with the MUTCD library is further described in Section 3 W...

Страница 41: ...t Log from the main menu and the list of series is displayed on the screen From the series list you can view series and delete inspections delete series data export series data These options are furth...

Страница 42: ...og level you can view inspection tap on one of the inspections on the list to view the data of the particular inspection delete inspection swipe from right to left on the inspection and press the Dele...

Страница 43: ...ns various data which is displayed on the GRX screen Below are explanations to the dataset connected to one inspection The symbol at the bottom of the screen indicates if there are several pages Use t...

Страница 44: ...RetroSign GRX User Manual December 2017 44 DELTA Inspection page 1...

Страница 45: ...RetroSign GRX User Manual December 2017 45 DELTA Inspection page 2...

Страница 46: ...RetroSign GRX User Manual December 2017 46 DELTA Inspection page 3...

Страница 47: ...se these icons Press the Delete icon to delete the whole data series Note Please be aware that all inspections within the series will be deleted Export series data Data can easily be exported to marke...

Страница 48: ...e to have thumbnail pictures included in the exported files How to export data of several series Long tap on a series to enter select multiple mode In this mode you can select or deselect series by a...

Страница 49: ...0 0 degrees in the kmz file You can also choose to have thumbnail pictures included in the export file Continue exporting the data by following the below steps Insert an USB stick in the USB port Pres...

Страница 50: ...examples of a data transfer that is presented horizontally and vertically in an Excel data sheet and in Google Earth Fields marked green indicate that the sign has passed the pass fail check whereas...

Страница 51: ...RetroSign GRX User Manual December 2017 51 DELTA Vertical view Google Earth file...

Страница 52: ...if dark calibration is needed is to point the GRX and measure in a direction with no retroreflective objects i e shiny surfaces windows edges and lamps etc within a distance of at least 10 meters 33 f...

Страница 53: ...screen press Done to complete the calibration session The instrument is now ready for measuring If the calibration is successful the calibration values used is stored in GRX and will be the suggested...

Страница 54: ...instruction on the screen i e point the instrument in a direction with nothing 10 m 33 feet in front of it and away from any light source Press the trigger or press Calibrate to calibrate When the mes...

Страница 55: ...instrument is ready for measuring Note If the measurement results still seem to be incorrect even after a dark calibration of the GRX it is recommended to contact your appointed dealer or DELTA Setti...

Страница 56: ...decimal point to the measurements throughout the instrument and exported files Sound Adjust volume activate inactivate high volume beeper The instrument sound volume can be adjusted The beep function...

Страница 57: ...time zone set time and date format In this setting Automatic date time and Automatic time zone can be activated and deactivated requires internet connection If one or both functions are activated the...

Страница 58: ...sion fixture is mounted onto the GRX and the captive screw is tightened securely with a screwdriver see photo below Following this the GRX with the mounted extension fixture can now be mounted on the...

Страница 59: ...d with the wing nut to fit the sign height Note In order to obtain correct readings when taking measurements with the extension pole make sure that the GRX angle adapter plate is in full contact with...

Страница 60: ...h connection off from the GRX Go to Settings in the main menu select Bluetooth and click the On Off button Press the remote button for 15 seconds until a green and red LED flashes alternately Once you...

Страница 61: ...ight be defective Warning The battery is getting low Please replace it Low battery voltage Replace battery Warning The instrument is almost out of storage Low storage space Delete unused inspections E...

Страница 62: ...ler Error Dark Signal raw value too High Low on channel Reference Dark Target Hardware problem on reference channel If problem persists contact your dealer Error LED current too High Low Hardware prob...

Страница 63: ...surfaces are clean free of dust and undamaged Dust and smear on the optical surfaces might influence the measured values considerably It is very important to keep the instrument front lens and the wh...

Страница 64: ...sheeting types it is important to position the RetroSign GRX correctly and hold it vertically in order to obtain correct readings as seen by the driver of a vehicle When checking correct positioning...

Страница 65: ...battery can be stored within a temperature range between 10 C to 60 C 14 F to 140 F but we recommend storage between 0 C to 30 C 32 F to 86 F due to lifetime considerations of the battery Allow a warm...

Страница 66: ...undesanstalt and NIST National Institute of Standards and Technology For further information contact your appointed dealer or DELTA Denmark The RetroSign GRX may be calibrated with any DELTA approved...

Страница 67: ...ation angles 1 0 2 0 33 0 5 0 7 1 0 1 5 2 Type SAFE Geometry CEN EN 20471 Illumination angle 5 Observation angle 0 2 Location position system GNSS Latitude Longitude Format Decimal degrees Datum WGS 8...

Страница 68: ...memory stick Data transfer optional iPad app via WiFi WiFi and wireless radios Frequency band 2400 MHz to 2480 MHz Maximum transmitted radio frequency power Below 93 mW Environmental characteristics O...

Страница 69: ...arch function e g background color installation date legend color MUTCD code pass fail series name Libraries for measurements functions Instant export to company back office Export to cloud drive It i...

Страница 70: ...arch in App Store Note The app for RetroSign GRX is only available for iPad running IOS 10 or later versions Using the App The GRX App operates with two menus Main Menu and Manage Menu Main Menu is fo...

Страница 71: ...Menu Now you will see a list of the completed series in the data set see example below From this list select a relevant series by tapping on the series name This brings up a list of the completed insp...

Страница 72: ...ical presentation of data chart showing the inspection data for the legend and the background at various entrance angles 3 Photo optional image of the photo that was taken during the inspection if no...

Страница 73: ...the inspection pass or fail to comply 7 Measurement data average of the measurement data for legend and background When you have finished press Main Menu at the bottom of the screen to return to the...

Страница 74: ...the right shows the average inspection data in a series at various entrance angles for legend background and ration 4 Search The search function enables you to search your data set by date background...

Страница 75: ...has passed the pass fail check whereas if a line is red is has failed the check 5 Map The GRX App has a mapping tool which can be used to show the locations of the individual inspections To see where...

Страница 76: ...d on the map Tap on the next to the measurement ID in order to see the data associated to the inspection Manage Menu Below are instructions for each of the items in the Manage Menu 1 Series To see or...

Страница 77: ...instrument Any deleted or edited series will also be transferred 2 Templates To see or alter a template select TEMPLATE in the Manage Menu Below is an example of the screen from managing series To add...

Страница 78: ...ight to left on the particular user profile on the list 4 Export It is possible to export a series or all series from the iPad to Excel To export data to Excel select EXPORT in the Manage Menu Now a l...

Страница 79: ...RetroSign GRX User Manual December 2017 79 DELTA The data is then exported to an Excel spreadsheet...

Страница 80: ...017 80 DELTA Appendix C Delivery The RetroSign GRX instrument is delivered with the below items 1 Carrying case 2 Angel adaptor 3 RetroSign GRX instrument including battery 4 Battery charger 5 Spare b...

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