21
LP-80
• Active Segments
The Active Segments screen changes the number of active segments on the probe
(
Figure 24 Active segments screen
Use
UP and DOWN to set the desired active segments. The icon on the right side of the
screen will illustrate the active segments as the number is increased or decreased. Press
ENTER to save.
If fewer than eight segments are active, the number of active segments will appear on the
PAR and Log tabs.
NOTE: If a segment is deactivated, that segment data will record 0. Deactivated segment numbers will not be used in
LAI calculation.
• Power Filter
A power noise filter value may be needed to elimate noise from AC-powered light sources
on sensor measurements. Highlight
Power Filter:
and use
ENTER to toggle between
either 60 Hz or 50 Hz.
NOTE: North American and Asian light sources use 60 Hz. Most European light sources use 50 Hz.
• Contrast
The Contrast screen controls the screen contrast (
). Use
UP and DOWN to set the
correct level. Press
ENTER to save or ESC to cancel adjustments.
Figure 25 Contrast screen
