Delta RetroSign GRX-1 User Manual page 7

Retroreflectometer

Table of Contents

SECTION 1: Introduction ........................................................................................................................ 9

GRX usage .......................................................................................................................................... 9

What does GRX measure? ............................................................................................................. 9

Models ............................................................................................................................................. 9

International standards .................................................................................................................. 10

Overview of RetroSign GRX ............................................................................................................. 10

Angle adaptor .................................................................................................................................... 11

Touch screen .................................................................................................................................... 12

GRX features and accessories ......................................................................................................... 12

SECTION 2: General information ......................................................................................................... 13

Retroreflectometer ............................................................................................................................ 13

Factory calibrations ........................................................................................................................... 13

Measurement 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

Icons .................................................................................................................................................. 18

Main menu......................................................................................................................................... 18

Users ................................................................................................................................................. 20

Working with templates, series, and inspections .............................................................................. 21

Templates ...................................................................................................................................... 22

Series ............................................................................................................................................ 27

Performing an inspection .............................................................................................................. 30

Log .................................................................................................................................................... 41

View series and delete inspections ............................................................................................... 41

Delete series data ......................................................................................................................... 47

Export series data ......................................................................................................................... 47

Calibration ......................................................................................................................................... 52

How to perform a reference calibration ......................................................................................... 52

How to perform a dark calibration ................................................................................................. 53

Settings ............................................................................................................................................. 55

Extension pole ................................................................................................................................... 57

RetroSign GRX User Manual / December 2017

DELTA

Table of Contents