Owner's manual

3.5 Parameter Change Menu

The system parameters are stored in the file, TGAPARM.CFG, which is read when the program is loaded.

TGAPARM.CFG is updated at the end of real time operation to maintain a current parameter set, and a new file

MMDDHHMM.gas (gas is a parameter) is written when data collection is started, maintaining a history for future

reference (see section 3.6.1).

The parameter change menu may be used to change system parameters. Upon entering <P> from the main menu, the

user is presented with the following menu:

Figure 3-3. Parameter Change Menu

There are fourteen parameter screens, with similar types of parameters grouped together. These screens are organized

as follows:

Parameter Change Menu

Laser

Detector

Ramp B

Concentration Calculation

File Format

File Output Selection

Analog Output

Valve Control Menu

Gradient Mode

Site Means Mode

Miscellaneous Valve Control

Miscellaneous Menu

Serial Numbers

Pressure Calculations

Graph Setup

Laser Map Temperature and Current

Parameter File Operations Menu

Save parameters to user-specified file

Read user-specified parameter file

Document parameters (create tgaparm.doc)