Systech Instruments EC900 series - Front Panel Guide

EC900 Series Operation Manual V4.7
www.systechillinois.com
Page
13
10.1 Front Panel Guide
COMPONENT
FUNCTION
OPERATION
Program
Scroll
Used to scroll through the front panel
menu functions.
Press to select the required data. First
press displays the function code. After
1 second the data relating to the code
is displayed. If the key is pressed
before 1 second then the next function
code is shown. Continue to press the
button until all programme values have
been accessed and -O2- is shown
when the display will revert to the
measurement of oxygen.
Digit Select
Selects display digit to be changed.
Selection is indicated by flashing digit,
first press selects D1 and successive
presses select remaining digits, decimal
point and % and ppm LED’s.
Digit Increment
Increments selected display digit.
Each press steps selected digit through
complete numerical range.
Cycles decimal point position.
Toggles ppm and % LED’s
Enter/Reset
Enters new data into memory for that
function.
Press once to reset the display, after 1
second the display shows STORE to
indicate it has accepted the entry
(otherwise it will show ERR) or other
fault message.
D1 to D4
Displays 0 to 9 and/or decimal point.
Display set by selecting appropriate
digit, then digit increment.
PGM LED
When on, indicates instrument in
program mode.
ALARM 1 LED
Indicates Alarm 1 status.
Illuminated indicates Relay 1 de-
energised and in alarm condition.
ALARM 2 LED
Indicates Alarm 2 status.
Illuminated indicates Relay 2 de-
energised and in alarm condition.
FAULT LED
Indicates fault alarm status.
Illuminated indicates fault relay
energised and in alarm condition.
%
Displayed measured value is %
oxygen by volume.
ppm
Displayed measured value is parts
per million by volume.