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12
• Press
CAL
and the lamp, tube and
detector icons will appear on the display,
depending on the measurement phase.
• Wait for a few seconds and the display
will show
“-0.0-”
. The meter is now
calibrated and ready for measurement.
CAL
NOTE:
If the
“CAP”
message appears, then there is too much ambient light. Please place
the light blocking cap and press CAL again.