Software Operation; Table 10-2: Front Panel Status Led's - Teledyne 400E Instruction Manual

Model 400E Ozone Analyzer
Instruction Manual
Keypad
The row of eight keys just below the Vacuum Florescent Display are the main
method by which the user interacts with the analyzer. These keys are context
sensitive and are dynamically re-defined as the user moves around in the software
menu structure.
Front Panel States LED's
There are three status LED's located in the upper right corner of the Model 400E's
Front Panel. They are:
Name Color
SAMPLE Green
CAL Yellow
FAULT Red

10.5. Software Operation

The Model 400E Ozone Analyzer is at its heart a high performance, 386-based
microcomputer running MS-DOS. Inside the DOS shell, special software developed
by T-API interprets user commands vie the various interfaces, performs procedures
and tasks, stores data in the CPU's various memory devices and calculates the
concentration of the sample gas.
P/N 04316 Rev: B

Table 10-2: Front Panel Status LED's

State
Off Unit is not operating in Sample Mode, iDAS is disabled.
On Unit is operating in Sample Mode, Front Panel Display
being updated, iDAS data being stored.
Blinking Unit is operating in Sample Mode, Front Panel Display
being updated, iDAS Hold-Off mode is ON, iDAS disabled
Off Auto Cal disabled
On Auto Cal enabled
Blinking Unit is in calibration mode
Off No warnings exist
Blinking Warnings exist
THEORY OF OPERATION
Definition
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