19
1
1
.
.
A
A
c
c
c
c
e
e
s
s
s
s
t
t
o
o
m
m
a
a
i
i
n
n
t
t
e
e
n
n
a
a
n
n
c
c
e
e
m
m
e
e
n
n
u
u
s
s
o
o
n
n
M
M
X
X
2
2
1
1
0
0
0
0
With the appliance in operation, menus can be accessed in the following manner:
Scroll through the parameters with this key until a request for an access code appears.
The access code is in four figures. Scroll to each figure with the "lighting" key, select the figure with the
"Acknowledge" key and then validate the access code (given by Oldham) wit h the "ENTER" key.
The list of available menus is then displayed:
-
programming,
-
calibration,
-
auto-zero,
-
date and time,
-
exit.
-
1.1 Channel programming menu
This is used to:
•
Select the channel to be programmed.
•
Switch the selected channel ON or OFF.
•
Inform the operator of the type of cell for the measuring range.
•
In the case of an explosimetric cell (1), to select the type of reference gas from 31 preselected gases or to
enter the coefficient of a 32nd gas and program instantaneous thresholds.
•
When an oxygen cell is used, to program the "min." and "max." alarm thresholds.
•
When a toxic gas cell is used, to program instantaneous thresholds.
•
When a katharometric cell is used, to program the low instantaneous threshold.
choose
validate
Summary of Contents for MX 2100
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