Using Delay Mode to Avoid Multiple Reads in Presentation Reading

This article describes the usage and settings of Delay Mode to avoid multiple reads of the same code when the reader is in Presentation mode or Self Internal mode.

1. You will find the relevant settings available under the Application Details step.
2. Make sure the Delay Mode is set to After Last Read. This means that when the reader has read a code once it will not register a new read if it happens before the time specified as Code Re-Read Delay. If the code remains in the Field of View of the reader, it will reset this timer every time the code is read but without registering it as a result.

3. As soon as the code is removed or otherwise unreadable for the specified time, then the reader will register a new result as soon as the code is presented again.

   

4. When using Presentation mode, the internal interval between read attempts is controlled by the reader. A typical value for Re-Read Delay may be 100-500 ms but needs to be tested.
5. When using Self Internal trigger mode, the Re-Read Delay must be set larger than the interval between two images.