Teledyne API Model 300M CO Analyzer Instruction Manual, 04033, Rev. A
5 DIAGNOSTICS
The Teledyne API Carbon Monoxide analyzer contains two levels of diagnostics: test measurements which can be viewed at all times (except when in setup) by pressing TEST, and lower level diagnostic operations which can only be performed by pressing
5.1 Test Measurements
As stated, test measurements can be viewed at any time except when in setup. To view a different test measurement, simply press the TEST button. Table
NOTE
If the value of any test function is displayed as “XXXX”, this indicates that the reading is off scale or otherwise
Additionally, the values of most TEST functions can be output as an analog voltage at the instrument's rear panel (see Figure
In addition to outputting a value to the analog output channel, these tests activate a new test measurement which displays the analog voltage reading on the front panel as:
TEST=XXXXX.X MV
When you exit the diagnostics, this test measurement is removed.