System Operations Page 3-13may be used to move to the next field. After entering the appropriateinformation, the Enter button can be pressed or the cursor moved toanother field in order to confirm the change. If inappropriateinformation is entered into the field, an Error Popup will bepresented when an attempt is made to confirm the change.Pressing the End Sequence button will exit the Edit Screen. Thecontents of the screen will be validated at this time and an ErrorPopup will be presented if something is wrong. If there is avalidation error, the Error Popup must be acknowledged and the errorcorrected before continuing. If there are no errors, a ConfirmationDialog will be presented asking if the changes should be saved ordiscarded. Selecting "Yes" will exit the screen and save thechanges.There are a number of different types of data entry fields, eachintended for entering or changing a different type of data. Thefirst page of the Edit Sequence screen, shown in Figure 3-4, containsmost of the data entry field types.Figure 3-4 Examples of Data Entry FieldsFollowing are descriptions of the various data entry fields that maybe encountered in an Edit Screen, along with examples taken from theEdit Sequence screen.Text Edit FieldThe Text Edit Field allows alpha-numeric information such assequence names, gas names, etc. to be entered. The cursor maybe moved around within a field by using the left and right arrowbuttons. The Del and BS buttons may be used to deletecharacters while the Ins button will toggle the
