Datalogic Gryphon I GBT4400 2D Quick Reference Manual

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Scan ModesQuick Reference Guide 35Scan ModesThe imager can operate in one of several scanning modes:Trigger Single — When the trigger is pulled, scanning is activat-ed until one of the following occurs:- a programmable duration 1 has elapsed- a label has been read- the trigger is releasedThis mode is associated with typical handheld reader opera-tion.Trigger Hold Multiple — When the trigger is pulled, scanningstarts and the product scans until the trigger is released or aprogrammable duration 1 has elapsed. Reading a label does notdisable scanning. Double Read Timeout1 prevents undesiredmultiple reads while in this mode.Trigger Pulse Multiple — When the trigger is pulled and re-leased, scanning is activated until programmable duration1has elapsed or the trigger has been pulled again to transition toanother state. Double Read Timeout 1 prevents undesiredmultiple reads while in this mode.Flashing — The reader flashes1 on and off regardless of the trig-ger status.Always On — No trigger pull is required to read a barcode.Scanning is continually on. If the trigger is pulled, the readeracts as if it is in Trigger Single Mode. Double Read Timeout 1prevents undesired multiple reads while in this mode.Stand Mode — No trigger pull is required to read a bar code.Scanning is turned on automatically when an item is placed inreader’s field of view. If the trigger is pulled, the reader acts asif it is in Single Read mode. Double Read Timeout 1 preventsundesired multiple reads while in this mode.1. See the Product Reference Guide (PRG) for more information