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IMAGETEAM™ 2020/5620 System Manual 2 - 11
The commands to which the scanner responds are listed on page 2-12. The
<ESC> is a 1B in hex. A typical command string is y <ESC> x, where “y” is the
application work group number, “<ESC> x” is the escape command, and the
comma is the terminator
.
Commands may be strung together to create custom response sequences. An
example of a command string is listed below.
0<ESC>4<ESC>5<ESC>6,
The above example will make a scanner in application work group zero beep low,
medium, high.
Once Host ACK is enabled, the system works as follows:
• The scanner reads a code and sends data to the base/host system. No
audible or visual indication is emitted until you receive an escape command.
The scanner read illumination goes out upon a successful read.
• Scanner is suspended until 1) a valid escape string is received from the host
system (via the base) or 2) the scanner “times out.”
• Once condition 1 or 2 above has been met, the scanner is ready to scan
again, and the process repeats.
Time out is indicated by three rapid beeps at the same pitch. A time out occurs
if the source scanner does not receive a valid escape command in 10 seconds.
If a time out occurs, the operator should check the host system to understand
why a response to the scanner was not received.
Host ACK Enable
Host ACK On
* Host ACK Off