Function/Control Key Support in HID Keyboard Mode
The TriCoder, when in HID Keyboard Mode, can transmit Function, Control, Alt and Shift Keys for use with software programs that use these keys for menus or commands. For example, when the TriCoder reads a bar code containing the Code 39 characters for SOH
Full ASCII Code | Code 39 | IBM PC key transmitted | Mac key transmitted |
SOH | $A | F1 | F1 |
STX | $B | F2 | F2 |
ETX | $C | F3 | F3 |
EOT | $D | F4 | F4 |
ENQ | $E | F5 | F5 |
ACK | $F | F6 | F6 |
BEL | $G | F7 | F7 |
SO | $N | F8 | F8 |
LF | $J | Num Pad 5* | Enter |
CR | $M | Enter | Return |
SI | $O | F9 | F9 |
DLE | $P | F10 | Command On |
DC1 | $Q | Del | Del |
DC2 | $R | Insert | Command Off |
DC3 | $S | Left Arrow* | Left Arrow |
DC4 | $T | Right Arrow* | Right Arrow |
NAK | $U | Down Arrow* | Down Arrow |
SYN | $V | Up Arrow* | Up Arrow |
VT | $K | Page Up* | Page Up |
FF | $L | Page Down* | Page Down |
ETB | $W | Home* | Home |
CAN | $X | End* | End |
EM | $Y | Shift On | Shift On |
SUB | $Z | Shift Off | Shift Off |
FS | %B | Control On | Control On |
GS | %C | Control Off | Control Off |
RS | %D | Alt On | Option On |
US | %E | Alt Off | Option Off |
*Refers to the keys on the Number Pad on the far right side of a PC keyboard
Table A-3. C39 Keyboard Support for IBM and Mac
This chart corresponds to the small center section of keys between the main letter keys and the numeric keypad on the right of the keyboard. If you are using MAC AND USB, in order to emulate the arrow keys, you MUST USE THE COMMANDS AS SHOWN ABOVE. You can scan them from the FULL ASCII MENU, for example, to emulate the “Left Arrow” key on the Mac (USB) scan the “NUL” (which represents “$U”) bar code and then the “4” bar code from the menu.
Code 39 | IBM Key | Mac Key | Code 39 | IBM Key Sequence | Mac Key |
| Sequence | Sequence |
|
| Sequence |
%U0 | Insert | Ins | %U6 | Right Arrow | right arrow |
%U. | Delete | del | %U7 | Home | home |
%U1 | End | end | %U8 | Up Arrow | Up arrow |
%U2 | Down Arrow | down arrow | %U9 | Page Up | page up |
%U3 | Page Down | page down | %UC | Windows ON | control ON |
%U4 | Left Arrow | left arrow | %UD | Windows OFF | control OFF |
%U5 | Line Feed | Line Feed | %UE | ENTER (num) | ENTER (num) |
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