5 - 4
Symbol PL4507 Decoder Integration Guide
Imager Preferences
The parameters in this chapter control image capture characteristics. Image capture occurs in all modes of
operation, including decode, video, and snapshot.
Operational Modes
The decoder has three modes of operation:
•
Decode Mode
•
Snapshot Mode
•
Snapshot with Viewfinder Mode
•
Video Mode.
Decode Mode
By default, upon a trigger event, the decoder attempts to locate and decode bar codes within its field of view. The
decoder remains in this mode as long as the trigger is active, until it decodes a bar code, or it reaches the
Snapshot Mode
Use Snapshot Mode to capture a high-quality image and transmit it to the host. To temporarily enter this mode scan
the
Snapshot Mode
bar code. While in this mode the decoder blinks the green LED at 1-second intervals to
indicate it is not in standard operating (decode) mode.
In Snapshot Mode, the decoder turns on the Symbol SE4500’s laser aiming pattern to highlight the area to capture
in the image. The next trigger event instructs the decoder to capture a high quality image and transmit it to the host.
A short time may pass (less than 2 seconds) between trigger activation and image capture as the decoder adjusts
to the lighting conditions. Hold the decoder steady until image capture, denoted by a single beep.
If a trigger event does not occur within the Snapshot Mode Timeout period, the decoder returns to Decode Mode.
Use
Snapshot Mode Timeout on page 5-14
to adjust this timeout period. The default timeout period is 30 seconds.
To disable the laser aiming pattern during Snapshot Mode, see
Snapshot Aiming Pattern on page 5-14
Use
Video View Finder on page 5-30
to enable
Snapshot with Viewfinder Mode
. In this mode the decoder
behaves as a video camera until the trigger activates, at which time a Snapshot occurs as described above.
Summary of Contents for Symbol PL4507
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Page 3: ...Symbol PL4507 Decoder Integration Guide 72E 116649 02 Revision A April 2009 ...
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Page 45: ...Accessories 3 5 Figure 3 4 Symbol PL4507 30 Pin Mating Host Connector p n 50 12167 030 ...
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Page 355: ...Advanced Data Formatting 11 91 Alphanumeric Keyboard Space Single Close Quote Dash ...
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Page 389: ...Sample Bar Codes C 3 Data Matrix Maxicode ...
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