GR3 & GR1 Quick Guide (UK) rev 08-07-2010.doc
Quick guide - RetroSign GR1 & GR3
®
Getting started
Turn the RetroSign on by pressing. The display will show some information about the
instrument. Repeat to show the results of the last measurement.
The instrument is calibrated and ready if the icon is displayed, if not, the instrument must
first be calibrated. Press and follow the instructions to do this.
Start a measurement by pressing the trigger knob. The display shows "WAIT" while
measuring then the measured values is shown.
If errors are detected during a measurement or calibration sequence, a message will be displayed
and one or more error icons appear.
Keyboard functions:
On/Clear • Push shortly to activate the instrument.
• When switched on it clears all selected operations.
• Displays the last measurement result.
• Clears the mean calculation when displaying this
Off • Terminates all activity, saves changed values and powers
off.
Scroll up • Open the menu, scroll through menus
• Increment/scroll edit values.
Scroll down • Open the menu, scroll through menus
• Decrement/scroll edit values.
Calibration • Open Instrument calibration menu, select/change settings.
Enter • Activate selected function or accept changed settings.
• Switch between the different results and status display
screens
Trig • Start R' measurement.
• Start quick calibration.
Icons:
The instrument status and operational mode are signalled by the use of icons.
Instrument is calibrated and ready.
Calib. Monitor Active for normal aperture.
Menu selected. Calib. Monitor Disabled for reduced aperture.
Calibration selected. Battery fully charged.
Reference calibration in progress. Battery getting low.
Zero calibration in progress. Battery empty, recharge.
TAG Reader function enabled.
(option)
Display backlight is enabled.
GPS On. Position FIX OK
(option)
GPS On. No FIX
(option)
Calculating mean values
Bluetooth Disconnected/Connected
(option)
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