Denso BHT-904B, User Manual

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Barcode Handy Terminal
Several directory management program examples are given below.
The names of the files used in these examples are as follows.
MAIN.PD4 : Program to be executed by pressing the Power key ( ) only
SUBMAIN.PD4 : Program chained from MAIN.PD4 using the BHT-BASIC CHAIN statement
USER.PD4 : New program
AAAAAAAA.DAT : Data file 1 used at the user program
BBBBBBBB.DAT : Data file 2 used at the user program

(Example 1) When downloading the MAIN.PD4 and SUBMAIN.PD4 upgrade version
In the above case, the registration order does not change and therefore MAIN.PD4 starts up by pressing
the Power key ( ).

(Example 2) When newly downloading USER.PD4 after deleting BBBBBBBB.DAT
In the above case, USER.PD4 is registered after BBBBBBBB.DAT, and therefore USER.PD4 will be the
first registered program. Press the Power key ( ) to start up USER.PD4.
AAAAAAAA.DAT
• MAIN.PD4
(Upgrade ver.)
• SUBMAIN.PD4
(Upgrade ver.)
:
:
:
SUBMAIN.PD4
MAIN.PD4
BBBBBBBB.DAT
AAAAAAAA.DAT
Directory info Directory info
BBBBBBBB.DAT
MAIN.PD4
DOWNLOAD
SUBMAIN.PD4
:
:
:
:
:
:
SUBMAIN.PD4
MAIN.PD4
BBBBBBBB.DAT
AAAAAAAA.DAT
Directory info
:
:
:
SUBMAIN.PD4
MAIN.PD4
USER.PD4
AAAAAAAA.DAT
Directory info
DELETE
DOWNLOAD
USER.PD4