Introduction

This document provides instructions for setting up a base curve chart. Base curve ranges are typically provided to the lab by the manufacturer.

Procedure

From the Optifacts main menu:

Select Option 8 - Blank Selection and press Enter.

Select Option 1 - Base Curve Table Editor and press Enter.

The Base Curve Range Editor displays.

Enter the material code.
Enter the type code.
Enter the style code.
Enter the color code.

If you use an ( * ) asterisk in any field, the system will consider all records

If a record does not exist for the specified entry, the following message will display.

Press Enter to begin.

The following screen displays.

Various prompts display at the bottom of the screen. Enter the first letter of any of the following to perform an action:

(A)add - Creates a new row at the bottom of the existing entries. After each row, it is necessary to type A to add a new row.
Enter the Spherical Equivalency Range. (Start from high minus to high plus)
Enter the Nominal Base Range. (Use nominal bases)

When entering ranges in the Spherical Equivalency Range, you must enter the “to” field as the “from” entry on the next row. When entering ranges in the Nominal Base Range, you must enter the “from” field as a value higher than the “to” entry on the previous row. Common practice is to use entries such as shown in the following example.

(I)Insert - Inserts a new row between 2 existing records at the cursor's current position.

(R)Remove - Deletes the row at the cursor’s current position.
(U)Up - Moves the cursor up a row from its current position.
(D)Down - Moves the cursor down a row from its current position.
(E)Edit - Moves the cursor to the first field of the spherical Equivalency Range from its current position.
(S)Save - Saves the data.
(Q)Quit - Exists the screen without saving the data.

Once all the data has been entered:

Press “S” to save the data.

The following message will be displayed:

Press “Y” to continue or “N” to cancel.

Press "Q" to exit the screen.

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