Intermec Janus 2050 User Manual page 394

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Glossary
HIBC
Health Industry Bar Code standard. A modified version of Code 39 that has 43
characters, uses the Modulus 43 check character, and reserves some character
combinations for special usage.
high memory area (HMA)
HMA is a 64K block of memory, starting 16 bytes below the 1024K mark, and is
the first 64K of extended memory. Since HMA can only hold one item, the first
program that requests HMA uses it, regardless of the size of the program.
home
The viewport's home position is the upper left corner of the virtual display.
horizontal reading angle
The horizontal angle of a laser scanner to a bar code label. The optimum
horizontal reading angle is near zero degrees.
host computer
A PC or other computer connected to the JANUS device. Also called the host.
human-readable
A character printed in a font that can be read by a human, as opposed to bar
code symbology that can only be read by a machine.
image file
An image file contains all the files you want to load onto the ROM drives.
Because ROM drives are implemented in flash memory, you can use DOS
commands to read from drive C or D, but you must use special utilities to write
to them.
input/output (I/O) PC card
A type of PC card, such as a modem card, that can be used to connect the
device to another device for communications. I/O cards comply with PCMCIA
Standard 2.1.
Input Manager
A Reader Services program that you use as an interface for all data input and
output from the COM ports, scanner, and keypad. The Input Manager handles
all power management tasks during data input and output.
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