Sekonic SPEEDMASTER L-858D-U - Measurement Accuracy and Range Issues

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12. Troubleshooting
Condition Possible reasons What to do
Measured value does not
look correct.
Is the lumisphere retracting ring
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Rotate the lumisphere retracting
ring until it clicks into place.
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Is the light receiving method
between Incident light and
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Make sure if the light receiving
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measurement correctly.
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compensation (
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compensation (
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properly created (
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Is a user calibration set with the
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the set value is correct or not.
Measuring Mode set for type of
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to Measuring Mode Selection
Screen.
Flash being measured in
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in use. Exposure meters cannot
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cannot set lower shutter
speed.
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cannot be set lower than the
selected frame rate. (For
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only be set up to 1/15 s.)
Select lower frame rate. Increase
brightness to get desired
F-number.
Displayed shutter speed
and aperture values do
not look like camera's
settings.
Are display steps set for full or
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❾
. Select
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properly.