Adixen ASM 142, Руководство пользователя

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C 540
Zero function
1/3
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A help for control panel utilization/access.
Operating principle of the control panel C 110 Access to level
4
- Password C 130
Setting and maintenance part presentation of the control panel
Access to parameters and parameters active
depending on authorization
C 120
Summary of screens
Complete displays list with access
way and associated sheet
C 140
Purpose
Zero function is provided:
• to help the operator to identify a very small fluctuation of the helium
signal out of the ambiant background,
• to enlarge small fluctuations of the helium signal on the analog
display.
The zero function could be activated:
- by the operator,
- in automatic.
It’s advised to use this function when helium background signal is low.
Activate the zero
function
The process of the zero function is the same whatever the activation
mode (operator or automatic). The only difference is when the
background suppression activation is automatic, the operator does not
need to press .
=>
Principle example
He flow value
Background value displayed without autozero activation
Background value displayed with autozero activation
Autozero
activation
0
Time