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Chapter 4 User Preferences
Introduction
This chapter describes each user preference feature and provides the programming bar codes necessary for
selecting these features.
Host Selection
The primary method of selecting a host type (serial or USB) for the Symbol PL4507 is using the sysconfig
hardware lines described in
SNAPI with Imaging, as these host types provide more flexibility during integration when configuring the unit via
host command.
Selecting other host configurations require scanning bar code menus and are not available via host programming.
These hosts do not support host triggering, and require a method to trigger the reader for initial configuration. Use
caution when selecting one of these hosts. Be sure to consider how setting up via bar code menu, which includes
providing a triggering method, can impact integration. See each host chapter for configuration options for each host
type.
Phantom Scan Session
The Phantom Scan Session feature places the system into a known state for two seconds immediately after the
power-up beep sequence in order to decode a parameter bar code without intervention and regardless of existing
settings and mode. This allows you to scan a Set Defaults or other parameter bar code without triggering the
scanner or initiating a host scan session in order to return an unresponsive system to its factory default settings.
Aim and illumination are turned off and Phantom Scan exits upon a trigger pull, host command, or successful
decode.
Table 2-3 on page
2-9. The default serial host is SSI and the default USB host is
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