JANUS? 2020 Hand-Held Computer (4MB) - Intermec

11
NF BC Reader Command Reference
This chapter is an alphabetical listing of the reader commands that you can use while
operating the reader. Reader commands, such as Backlight On, allow you to perform
a task on the reader.
Using Reader Commands
A reader command causes the reader to perform a task. For example, you can
turn the backlight on to easily view the reader’s display when you are working
in a dimly lit environment. You can execute reader commands by:
• scanning a command from a Code 39 or Code 93 bar code label.
• pressing keys on the keypad and choosing a command from an IC.EXE or
IRL Desktop menu.
• sending a command from a host computer.
• executing a command in an IRL program.
You will find the purpose and syntax for each reader command in this chapter.
Note: You can send reader commands from a host computer only when the reader is
running an application that uses Reader Wedge TSR. You can also execute reader
commands in IRL programs and applications using Reader Services.
You can group reader commands together (concatenate) into one string. For
example, the command to turn the backlight on is %.1, and the command to
raise the beep volume is $+BV9. Use this next command to group the two
reader commands together and download them from a host computer:
%.1$+BV9
To create a bar code label, you can add start and stop codes:
Backlight On / Raise Beep Volume
*%.1$+BV9*
*%.1$+BV9*
The reader executes concatenated commands in the order in which they appear
in the command string. If one of the commands is incorrect, the reader sounds
three low beeps and processes any valid commands up to the invalid
command. All other data in the remainder of the string is ignored.
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