Thermo Scientific Barnstead GenPure xCAD Plus System, Руководство по эксплуатации

Страница: 74 / 128

12
System control
User menu
68
GenPure Thermo Scientific
User menu
All measured values, operating times and limiting values which are relevant for the user can be set and
read in this menu.
A press on the menu-button brings you to this menu. Each further press on the menu-button moves
you further from one menu prompt to the next.
Settings can be changed with the arrow buttons. When you confirm a value by pressing on the
Enter-button, you are taken to the next menu prompt. Settings can only be made when system control
has been previously unlocked by entering a valid code number. (see
“Code lock” on page 82 )
To simplify changing settings, a press on the UV-button allows you to select a certain individual digit
in the numerical value that you want to change. The arrow buttons can now be used to enter the new
number from 0 to 9 at that position.
Feedwater measured value and limiting value
Under this menu prompt, the feedwater conductivity can be read and the limiting value for it can be
set (LF2). The fault message “
Limit value feed ” is shown flashing in line 1 of the display when the
feedwater limiting value is exceeded. Should several fault messages occur simultaneously, then they are
alternately shown.
Feedwater measuring range: 10.0- 0.010 M
:
·cm
Limiting value setting range: 0.1- 50.0 μS/cm
Basic setting: 0.2 μS/cm
Set the limiting value using the arrow buttons (see Settings with the arrow buttons).
With settings above 50 μS/cm, the limiting value is switched off and the word off appears in the
display.
Press the Menu-button once then the display shows: