Copyright 1999-2009, Barcode Automation, inc.
21
Read Trigger Commands
Vehicle Detect Mode
Command:
VDM
Purpose: Selects when the BA-440 DualBeam will read decals.
Scan
- The reader looks continuously for barcodes.
Loop
- This mode requires a loop detector or other vehicle
presence detector connected to the Aux In terminals to
activate the reader. When the input signal is off, the reader
is disabled. When the signal is on, the BA-440 DualBeam
will look for and read barcodes, transmitting data as soon as
they are decoded. In addition, if the input signal cycles on
and off but no barcodes were read the BA-440 DualBeam
will transmit a “no read” message to show that no barcodes
were read.
Options: [Scan], Loop
Example:
VDM LOOP
Loop Delay Time
Command:
LDT
Purpose: Used in loop mode only, this sets how long the reader will
continue looking for a decal after the Aux Input goes Off.
Options: any number from 0 to 2500 in multiples of 10 mS. [100]
1000 = 1 second.
Example:
LDT 1000
Note
: This command disabled if Vehicle Detect Mode is Scan.
