RetroSign GR1 & GR3 · Retroreflectometer
3
Index
Section 1 – Introduction .................................................................................... 5
RetroSign introduction ....................................................................................... 5
RetroSign Retroreflectometer features .............................................................. 6
Options .............................................................................................................. 6
Section 2 – Operating Information .................................................................... 7
Getting started ................................................................................................... 7
Icons .................................................................................................................. 7
Perform a measurement .................................................................................... 8
Sequence ID ...................................................................................................... 8
Keyboard functions ............................................................................................ 8
Calibration .......................................................................................................... 9
Menu system ................................................................................................... 10
Battery / charging ............................................................................................. 13
Remote control ................................................................................................ 13
Support flange ................................................................................................. 13
Aperture reduction ........................................................................................... 13
Section 3 – General Information ..................................................................... 14
RetroSign GR1 & GR3 ..................................................................................... 14
Factory calibrations .......................................................................................... 14
Measurement geometry ................................................................................... 14
GR1 and GR3 type ASTM ............................................................................... 14
GR3 type CEN ................................................................................................. 15
GR1 type SAFETY ........................................................................................... 15
Battery ............................................................................................................. 15
Note on error sources ...................................................................................... 16
Section 4 – Maintenance .................................................................................. 17
General care .................................................................................................... 17
Front lens ......................................................................................................... 17
Battery ............................................................................................................. 17
Lamp ................................................................................................................ 17
Reference cap ................................................................................................. 18
Calibration ........................................................................................................ 18
APPENDIX A – Specifications ......................................................................... 19
General characteristics .................................................................................... 19
Environmental characteristics .......................................................................... 20
Mechanical characteristics ............................................................................... 20
Carrying case content........................................................................................ 21
APPENDIX B – Communication Facilities ...................................................... 22
USB specification ............................................................................................. 22
Bluetooth specification ..................................................................................... 22
APPENDIX C – Quick Guide for RetroSign Extension Kit ............................. 24
Preparation ...................................................................................................... 24
Precation .......................................................................................................... 24
Operation ......................................................................................................... 24
