4 - 4 2020/4820/4820 i User’s GuideSerial Trigger ModesManual/Serial Trigger, Low PowerYou can activate the image scanner either by pressing the trigger, or using aserial trigger command (see Trigger Commands on page 12-4). When in manualtrigger mode, the image scanner scans until a barcode is read, or until the triggeris released.When in serial mode, the image scanner scans until a barcode has been read oruntil the deactivate command is sent. In serial mode, the image scanner can alsobe set to turn itself off after a specified time has elapsed (see Read Time-Out(Serial Trigger Mode), which follows).Read Time-Out (Serial Trigger Mode)Use this selection to set a time-out (in milliseconds) of the image scanner’strigger when using serial commands to trigger the image scanner. Once theimage scanner has timed out, you can activate the image scanner either bypressing the trigger or using a serial trigger command. After scanning the ReadTime-Out barcode, set the time-out duration (from 0-300,000 milliseconds) byscanning digits on the Programming Chart inside the back cover, then scanningSave.Default = 300,000 ms.Image Scanner Power Time-Out TimerNote: The Image Scanner Power Time-out Timer option only applies to Manual/Serial Trigger.When there is no activity within a specified time period, the image scanner enterslow power mode. Scan the appropriate Image Scanner Power Time-Outbarcode to change the time-out duration (in seconds).* Manual/Serial TriggerRead Time-Out
