Code Alarm manual Targeting and Reading Techniques, To read a symbol with the CR3

1.9 - Targeting and Reading Techniques

The CR3 utilizes digital camera technology to take a picture of a symbol. Once an image is captured, the CR3 utilizes advanced decoding algorithms to extract data from the captured image.

The CR3 is available as a palm-held unit or users may purchase a handle (available in various types).

The palm held unit features left and right triggers. These triggers may be programmed to perform various features. The reader is shipped with the left trigger and right trigger functioning as a decode symbol command.

Each handle has a trigger on the grip. The two triggers on the top of the unit also work when the handle is attached.

To read a symbol with the CR3:

1.The CR3 features omnidirectional decoding. Center the symbol in any orientation within the laser dot aiming pattern (fi gure 1.15).

Figure 1.15

Note: The CR3 can read a symbol that is not centered; however, the CR3 performs best when a code is centered. If two (2) bar codes are with the imagers decode zone, the CR3 will decode the symbol closest to the center of the aiming dot.

2.The CR3 was developed to decode both very small 2-dimensional symbols and larger

1-dimensional symbols. The unit has an innovative dual fi eld decode zone. The CR3 DECODES BOTH ZONES SIMULTANEOUSLY. The unit has a lens focused on a near-fi eld for

smaller codes (optimal focal point is 4 inches) and one lens focused on a far-fi eld

for larger codes (optimal focal point 9 inches). To read smaller symbols move the CR3 closer to the symbol. To read larger symbols move the unit farther away from the symbol. The entire CR3 decode zone varies between two (2”) and twenty (20+”) or more inches.

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