Calibrating Low Level Alarm - GE 610 Quick Start Manual

MODEL 610
• Submerge the Probe in liquid nitrogen (LN
• Press the battery "On/Off-Cal" toggle switch downward and hold.
• Use the screwdriver (supplied) turn the adjuster clockwise or counter-clockwise
until the tone begins to sound. Slowly turn the adjuster until the tone sound just disappears.
• Release the "Cal" toggle switch to its battery "Off" position.
• Press "Cal" toggle switch to its full upright position or battery "On".
• Press the "Push to Test" button to assure the battery power is turned on and calibrated.
SCREW-
DRIVER
TEST BUTTON
Model 610

CALIBRATING LOW LEVEL ALARM

ADJUST WITH
"ON/OFF"-CAL
TOGGLE SWITCH
) for 10 minutes.
2
PROBE
8