12 The Keypads
MX3 User’s Guide E-EQ-MX3OGWW-F-ARC
Scan Key Function
(MX3’s with Scanner endcaps only.) The Scan key activates the scanner when a scanner
endcap is installed and the Scan button is pressed. The internal scanner scans only when
the Scan button is pressed. A Scan button press has no effect on externally attached
scanners.
Enter Key Function
The Enter key is used to confirm a forms entry or to transmit information. How it is
used is determined by the application running on the computer.
Field Exit Key Function (IBM 5250/TN5250 Only)
The Field Exit key is used to exit an input field. If the field is an Auto Enter field, the
auto transmit function is activated. This key function is present on the IBM
5250/TN5250 specific keypad only.
2nd Key Function
The 2nd key is used to activate the 2
nd
functions of the keypad. Printed on many keys at
the upper left corner are small characters that represent the 2
nd
function of that key.
Using the 2
nd
key activates the second key function. Note that the 2
nd
key only stays
active for one keystroke. Each time you need to use the 2
nd
function you must press the
2
nd
key. To cancel a 2
nd
function before pressing another key, press the 2
nd
key again.
When the 2
nd
function is active, the 2
nd
LED illuminates.
Ctrl Key Function
The Ctrl key (blue characters) enables the control functions of the keypad. This function
is similar to a regular keyboard’s Control key. Note that the Ctrl key only stays active for
one keystroke. Each time you need to use a Ctrl function, you need to press the Ctrl key
before pressing the desired character key. When the Ctrl function is active, the Ctrl LED
illuminates.
Alt Key Function
The Alt key enables the alternate functions of the keypad. This function is similar to a
regular keyboard’s Alt key. Note that the Alt key only stays active for one keystroke.
Each time you need to use an alternate function, you need to press the Alt key before
pressing the function key. When the Alt function is active, the Alt LED illuminates.
