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Roadway Construction Noise Model User Guide

All Menus

3.1.1 File Menu

The <File> menu, shown in Figure 2, contains items that allow the user to create, open, and save a case, export the results of a case, and exit the program.

Figure 2. File Menu

Figure 2. <File> Menu

<New> creates a new case. If a case is currently open, the user is prompted to save it before closing.
<Open> allows the user to open an existing case file ([name].cas).
<Save> saves the case with the current filename. If this is a new case, the user is asked for a new filename ([name].cas).
<Save As> The user is asked for a filename for a new case ([name].cas) and saves the case with that filename.
<Export Results> prompts the user to save the case results for the current or all receptors to a comma separated value (CSV) file with the following naming convention: [name].csv. This type of file is easily read into a spreadsheet program. The user can also save the case results to a text file (TXT), which saves the results to a space-separated text format with the following naming convention: [name].txt.
<Exit> closes the application. If changes have been made to the open case, the user is asked if he/she would like to save the case.

3.1.2 Edit Menu

The <Edit> menu, shown in Figure 3, allows the user to copy and paste data, delete data, and undo changes.

Figure 3. Edit Menu

Figure 3. <Edit> Menu

<Copy> lets the user copy into a clipboard the contents of a single cell or an entire line from an RCNM dialogue box.
<Paste> lets the user copy the contents of the clipboard into a single cell or an entire line of an RCNM dialogue box.
<Delete> lets the user delete from the case a receptor or piece of equipment selected in the receptor or equipment dialogue box.
<Undo> lets the user revert the RCNM one step to where it was before the latest change was made.

3.1.3 View Menu

The <View> menu, shown in Figure 4, allows the user to focus in <Zoom +> on either the Input Data or Results section of the RCNM's main page. To activate Zoom +, click on Zoom + and guide the spyglass + icon to either Input Data or Results and single-click.

Figure 4. View Menu

Figure 4. <View> Menu

To deactivate Zoom + and go back to the full RCNM screen, click on Zoom - and guide the spyglass - icon to the Input Data or Results section that has been maximized on the screen.

3.1.4 Options Menu

The <Options> menu, shown in Figure 5, allows the user to modify the equipment list and change the case's units of measure from feet to meters.

Figure 5. Options Menu

Figure 5. <Options> Menu

The <Options> menu allows the user to add new types of equipment to the equipment list. The equipment list modification dialogue box, shown in Figure 6, allows the user to specify a user-defined piece of equipment and add it. The user can specify the following data: whether the equipment is an impact device, the equipment's usage factor ¹ , and the equipment's Lmax level (spec and/or actual ² ). The user can also delete equipment that's been added by selecting it and clicking the delete button. The default equipment cannot be modified, but it may be deleted entirely from the case by selecting it and clicking the delete button. Selecting the default button restores the default equipment list (from the CA/T Project) and eliminates any user-defined equipment.

Figure 6. Equipment list modification dialogue box

Data for user-defined pieces of equipment may be saved to an equipment file ([name].equ), along with all other equipment in the current list, including default equipment. This file may be opened in other cases to incorporate these pieces of equipment.

The <Options> menu, as shown in Figure 7, also allows the user to change the case's units of measure from feet to meters or from meters to feet. The only input data affected by this tool are the Distance to Receptor values.

Figure 7. Units modification pull-down menu

3.1.5 Help Menu

The <Help> Menu loads for the user the RCNM User's Guide in Portable Document Format (PDF). This PDF is searchable by key word using the Adobe Acrobat Edit / Find search tool.