Microscan MS-2 User Manual download pdf (Page 55)

MS-2 CCD Reader User’s Manual 4-9

Read Cycle

Continuous Read 1 Output Emulation

Setting Up Continuous Read 1 Output Emulation

1. Set Number of Symbols to Multiple.

2. Set Time Between Identical Decodes to 500 (ms).

3. Set Trigger Mode to External Level.

Important: Continuous Read 1 Output Emulation is not recommended for automated

environments, because there is typically no reliable way to verify whether or not a symbol

was missed.

Usage: Continuous Read 1 Output can be useful in applications where it is not

feasible to use a trigger and all succeeding symbols contain different

information. It is also effective in applications where the objects are presented

by hand.

The MS-2 does not offer this feature, but it can be emulated by following

the steps described below.

Definition: In Continuous Read 1 Output Emulation, the trigger must be active

(grounded) for as long as the MS-2 needs to be scanning symbols. The

MS-2 will only output symbol data once while that symbol remains in the

MS-2’s field of view. If the symbol is removed and then presented again, it

must be removed from the field of view for the amount of time specified in

the Time Between Identical Decodes value before the MS-2 will decode

the symbol again. However, if a new symbol is presented, the MS-2 will

decode it and output symbol data immediately.

Serial Cmd: <K222,0>

Serial Cmd: <K503,500>

Serial Cmd: <K200,2>

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Microscan MS-2 User Manual Page 55