Intermec Janus 2010 Reference Manual page 101

The source parameter is one of the following constants:
IM_NO_SELECT
IM_LABEL_SELECT
IM_KEYBOARD_SELECT Keyboard
IM_COM1_SELECT
IM_COM2_SELECT
IM_COM4_SELECT
IM_ALL_SELECT
OUT Parameters: The irl_string parameter is the returned string containing the IRL commands
and must have at least 256 bytes allocated.
The cmd_count returned is 0 unless an abort command is passed in the
string.
The symbology parameter is one of the following constants:
IM_UNKNOWN_DECODE
IM_CODABAR
IM_CODE_11
IM_CODE_16K
IM_CODE_39
IM_CODE_49
IM_CODE_93
IM_CODE_128
IM_I_2_OF_5
IM_MSI
IM_PLESSEY
IM_UPC
If the symbology is IM_UNKNOWN_DECODE, then the data came from
the keyboard.
If the symbology is one of the other values (such as IM_CODE_39), then
some or all of the data came from the scanner.
If only the scanner is enabled, then all of the data came from the scanner.
No designated source
Label
COM1
COM2, scanner (2010 and 2050)
COM4 (RF only)
All sources are designated
Unknown bar code
Codebar bar code
Code 11 bar code
Code 16K bar code
Code 39 bar code
Code 93 bar code
Code 49 bar code
Code 128 bar code
Interleaved 2 of 5
MSI bar code
Plessey bar code
Universal Product code
3
im_irl_v
3-61