6.3.4 Blocking the on Screen Volatility (FILTR)
Your EPA300 is programmed to display the signals received from its connected
sensor in the most accurate way on the screen by processing them with special
algorithms. But; You can solve this problem by filtering from this menu in the event
of a trembling of the value displayed on the screen due to various reasons such as
noise in the vicinity, disturbances in the sensor. There are three different filtering
methods for this:
1. AVRGE (Average Calculation):
When you activate this filter by turning the STATE option ON, your device will
refresh the value that appears on the display after you have read as many values
from the sensor as you would select COUNT. For example; COUNT will default to
500, and your device will refresh the value on the screen after you have taken 500
samples from the sensor, that is, after reading it, taking the average of these values.
Accordingly, increasing COUNT will reduce flicker on the screen; But your device will
slow the response of the sensor to its rapid movement.
2. LQE(Lineer Quadratic Estimation):
You can also activate this filter, also known as a thick filter, by turning the STATE
option ON. If you decrease the default COVARIANCE of 500, the flicker on the screen
will decrease; But your device will slow down the reaction of the sensor to its rapid
movement.
3. HYS (hysteresis):
You can activate the hysteresis filter by turning the STATE option ON. With this filter,
which has two parameters named Delta and A.Error, the value read from the sensor
is not reflected on the screen until it changes to Delta. When the sum of the non-
reflected values on the screen is equal to A.Error, the display is updated with the
average of these values.
6.4 Secure Menu [SECUR]
6.4.1 Hide Menu (HIDE)
You can hide the menus ON you do not want the operator to see your device to use
them.
All menus except Secure are hidden.
The Output menu is hidden.
The Calib menu is hidden.
The Display menu is hidden.
The Quick Set change menu is hidden. See. 5.3.
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