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Activation Modes
The following activation modes initiate the engine’s laser and motor drive circuitry for bar code scanning.
Activate Scanning with the External Trigger (Default).
An external I/O pin is used to enable the scanning cycle. A High-to-Low transition on the I/O signal is used to
activate scanning. The signal must be deactivated (HIGH) and re-activated for subsequent scanning cycles.
The scanning cycle is terminated based on the default period of time (2 seconds), a variable period of time,
when the I/O signal is deactivated (Low-to-High), or when a bar code is scanned and transmitted.
Activate Scanning on Receipt of the <DC2> Character
A received <DC2> character initiates the scanning cycle. The scanning cycle is terminated based on the
default period of time (2 seconds), variable laser timeout selected, receipt of <D4> character, or when a bar
code is scanned and transmitted.
Activate/Deactivate Scanning Using D/E
A received ‘E’ character initiates the scanning cycle. The scanning cycle is terminated based on the default
period of time (2 seconds), variable laser timeout selected, or receipt of a ‘D’ or when a bar code is scanned
and transmitted.
Activate Scanning with Address
A configurable address character is used to initiate scanning. The scanning cycle is terminated based on the
default period of time (2 seconds), variable laser timeout selected, or when a bar code is scanned and
transmitted.
Common Activation Mode Features
The following configurable activation mode features are available for the IS4823 and IS4825.
Variable Laser-On Timeout (1-second Increments)
A configurable time increment selected as the scanning laser–on time.
Allow Full Laser-On Cycle
The laser stays on for a full cycle even when a bar code is scanned and transmitted.
Blinky Mode
The scanner will blink for 60 cycles (approximately 30 seconds) once the scanning cycle is activated.