Specifications

Chapter 1. Software Overview for the BHT
3
 System Programs
Drivers
A set of programs which is called by the BHT-BASIC Interpreter or System Mode and
directly controls the hardware. The drivers include the Decoder Software used for bar
code reading.
BHT-BASIC Interpreter
Interprets and executes user programs.
System Mode
Sets up the execution environment for user programs.
Extension Library
A set of programs which extends the function of the BHT-BASIC to enable the following:
• Transmitting/receiving files by using the X-MODEM and Y-MODEM protocols
These extension programs are stored in files having an FN3 extension, in each file per
function. You should download a xxxx.FN3 file containing the necessary function from
the BHT-BASIC Extension Library (sold separately) to the user area.
Extended Functions
A set of functions integrated in system programs, which extends the function of the
BHT-BASIC. No downloading is required for those functions since they are integrated
in System. For details, refer to Chapter 16, "Extended Functions."

Application Programs
User Programs
User-written object programs which are ready to be executed.
NOTE
Use extension libraries suited for your BHT.