4.8
Note that when a loop gain check is carried out the oxygen signal is decreased by the value of the
loop gain. This decrease lasts for about 1 second. There is a possibility that a low oxygen alarm
might be triggered by this test.
See Table 4.1 for loop gain status codes.
TABLE 4.1 LOOP GAIN STATUS CODES
Display in
Parameter 68
Interpretation
0.01 68
0.02 68
0.03 68
0.06 68
Loop gain satisfactory.
Loop gain error high - failed.
Loop gain error low - possible electronic fault.
Loop gain test performed whilst the analyser
is in auto-calibration cycle.
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