Oregon Scientific GP123 User Manual - Page 1

GPS Scout Backtrack Altimeter Model: GP123 USER MANUAL INDEX Introduction 2 Overview 2 Front view 2 LCD screen 3 Battery replacement 3 Displays 4 Operation modes 4 Time / date / alarm 4 To set clock and alarm 5 Altimeter and barometer modes 5 About the altimeter - barometer 5 To set and reset altimeter 5 To set sea level pressure 6 Compass mode 6 About the compass 6 Compass sensor calibration 7 Declination angle 7 True North calibration 8 GPS mode 8 LED light 10 Backlight / keypad lock 10 Water resistance 10 Specifications 10 Precautions 10 About Oregon Scientific 11 EU declaration of conformity 11 1 EN