User Manual

5. Replacement of Battery
1) When the front left corner of the LCD display "BAT", the battery
must be replaced. However, measurements of the spectrum can
also be made a few hours after the appearance of the low battery
indication before the instrument become inaccurate.
2) Remove the battery changed the battery cover. (See fig.)
3) Take out the old batteries and insert new batteries (4 x 1.5V AG13
button cells) according to the polarity.
4) Replace the battery compartment cover back on.
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