M&M
R
EFRIGERATION
I
NC
. 2-11
Chapter 2: Screen Types
3. “.” Key - Selecting the Period (.) key puts the field into edit mode
and allows the current contents of the field to be entered.
4. Arrow Keys - Allows you to move within a field to different charac-
ters.
5. Number Keys - These keys are used to enter numbers into a charac-
ter.
6. Clear Key - This key is used to clear the contents of the entire field.
7. Entering a space - If a space is allowed in the field, an “_” will be
available in the character list. Selecting this character will result in a
space being inserted in the string. All trailing spaces are eliminated.
Telephone Number Field
The Telephone Number field is a special case alphanumeric entry field. It is
similar to a string field but only allows numbers and several special characters
required for telephone numbers.
1. Verify Cursor Type - locate the " “ " string input cursor.
2. Enter Key - Pressing the ENTER key first will clear the current con-
tents and start entering characters. The ENTER key is primarily used
to cycle through the available selections for the current character
positions.
3. “.” Key - Selecting the Period (.) key puts the field into edit mode
and allows the current contents of the field to be entered.
4. Arrow Keys - Allows you to move within a field to different charac-
ters.
5. Number Keys - These keys are used to enter numbers into a charac-
ter.
6. Clear Key - This key is used to clear the contents of the entire field.
7. Entering a space - If a space is allowed in the field, an “_” will be
available in the character list. Selecting this character will result in a
space being inserted in the string. All trailing spaces are eliminated.
Hexadecimal Fields
The Hexadecimal Field is a special case alphanumeric entry field. It is similar
to a string field but only allows numbers and several special characters
required for hexadecimal numbers.
1. Verify Cursor Type - locate the " “ " string input cursor.
2. Enter Key - Pressing the ENTER key first will clear the current con-
tents and start entering characters. The ENTER key is primarily used
to cycle through the available selections for the current character
positions.
3. “.” Key - Selecting the Period (.) key puts the field into edit mode
and allows the current contents of the field to be entered.