Epson USN 52R Operating Manual page 91

Operation
GATE LOGIC Setting the gate logic
In this function you can activate the gate and select
the criteria for triggering the gate alarm. The following
settings are available:
• OFF: The gate is disabled. The gate bar is not
displayed.
• POSITIVE: The gate is enabled. When the signal
exceeds the threshold that was preset in a-THRESH,
the two LEDs will flash alternately.
• NEGATIVE: The gate is enabled. When the signal
falls below the threshold that was preset in a-
THRESH, the two LEDs will flash alternately.
• MEASURE: The gate is enabled. However, there is
no alarm with threshold violation.
H Note:
You can select either POSITIVE, NEGATIVE or MEA-
SURE for digital thickness measurements.
5-46
Attention:
Both gates only evaluate within the visible part of the
display range. If there are gates or parts of gates out-
side the visible part of the display range, then a gate
evaluation will not be made there.
Operation:
– Highlight the center function group in the left function
table with I.
– With M select the required gate setting.
Issue 05, 02/00
Configuring the USN 52R/USN 52L
Krautkramer USN 52R/USN 52L