GE XMO2, User Manual

Page: 124 / 196

Advanced Programming 7-9
September 2007
O2 INPUT Option
The O2 Input? option is used to specify an AutoZero value for the
measurement bridge and/or to perform an Auto Zero of the bridge
with a flow of a 0.000% oxygen gas, such as nitrogen. To use the
O2
Input? option, refer to the menu map in Figure C-8 on page C-8 and
complete the following steps:
Note:
This menu option always appears.
The O2 Input? submenu includes the following three options:
•
Set AutoZero Value
•
AutoZero Bridge
•
Done
Proceed to the appropriate section for programming instructions.
The Set AutoZero Value option:
The Set AutoZero Value? option is used to specify an AutoZero value
for the measurement bridge. To enter this value, proceed as follows:
IMPORTANT:
The factory default AutoZero value is -400.0 mV.
Never change this value without first consulting the
factory.
Note:
The following prompt appears only if 0.000-10.000% was
selected as the calibration range (see page 7-8). It lets you
specify an offset for a zero-suppressed range.
CALIBRATE SYSTEM
Press [N] until this prompt
appears, then press
[Y]
or
[Enter]
.
O2 Input?
Adjust Zero:
Press
[N]
until this prompt
appears, then press [Y] or [Enter] .
Set AutoZero Value?
Enter AutoZero value:
To accept the current value, press
[Y]
or
[Enter]
. To change the
current value, use the numeric
keys to enter a new value and
press
[Y] or [Enter] twice.
mV [-xxx.x]
Enter low %O2 value:
To accept the current value, press
[Y] or [Enter] . To change the
current value, use the numeric
keys to enter a new value and
press
[Y]
or
[Enter]
twice.
%O2 [x.x]