Kett HX-700, Operating Manual

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5. HOW TO USE THE INSTRUMENT
5-1. Preparation for measurement
(1) Install the six AA alkaline batteries in the battery compartment
on the back of the instrument. Remove the battery compart-
ment door and install the batter ies. Take care not to reverse
the polarity (+ & –) of the batteries. Replace the cover.
• When the batteries are worn, will blink on the display screen.
Change all batteries at the same time.
(2) Connect the probe firmly to the body. Turn the lock ring at the
base of the probe clockwise to secure the sensor probe.
(3) Take off the probe cap.
1
Tum the lock ring.
2
Insert firmly.