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TABLE OF CONTENTS
SPECIFICATIONS ________________________________________________________3
INTRODUCTION _________________________________________________________4
OPERATION ____________________________________________________________5
FUNCTIONS ____________________________________________________________5
MODE SWITCH...................................................................................................................................... 5
DISPLAY SWITCH.................................................................................................................................. 6
SPEAKER............................................................................................................................................... 7
DISPLAY................................................................................................................................................. 7
ALARMS ................................................................................................................................................. 7
SETTING THE ALARM LEVELS............................................................................................................. 8
MAINTENANCE AND ADJUSTMENT _________________________________________8
BATTERY CHANGE ............................................................................................................................... 8
CALIBRATION........................................................................................................................................ 8
HIGH VOLTAGE ..................................................................................................................................... 9
ACCESSORIES __________________________________________________________9
EXAMPLES ____________________________________________________________10
USE HINTS........................................................................................................................................... 11
CAUTION
THE THIN WINDOW GM DETECTOR BEHIND THE SCREEN ON THE
PROBE IS EASILY BROKEN. THIS DETECTOR IS EXPENSIVE.
CARELESS HANDLING WILL RESULT IN UNNECESSARY EXPENSE
OF BUYING A NEW GM DETECTOR.
MODEL 3020
2