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6.5 ATR110 LED/Sounder Control
The following commands are sent to the barcode interface using the same protocol as defined in the
ATR110 Technical Reference Manual.
6.5.1 LED Control Method Options
The LED control method is selected using the AISLCM command. There are four methods of
operating the LEDs:
6.5.1.1 ‘LSR110’
For those familiar with the Access IS LSR110, this method is the same and is provided to allow
backwards compatibility. Only the ‘Good’ and ‘Bad’ LEDs are controllable.
In Dumb mode, successfully reading a barcode will cause the Good Read LEDs to illuminate and
the Good Read beep to sound. No other LED control is possible.
In Host and Interactive modes, the Good and Bad Read LEDs and beeps are controlled by AISXXR
commands.
6.5.1.2 Enhanced
The Enhanced Method extends the functionality of the LSR110 Method with a permanent power
LED and on/off control of the Good/Bad/Busy LEDs.
In Dumb mode, successfully reading a barcode will cause the Good Read LEDs to illuminate and
the Good Read beep to sound.
In Host and Interactive modes, the Good/Bad Read and Busy LEDs and the Good/Bad beeps are
controlled by AISLCT commands. AISLCT1 is equivalent to AISXXR0, and AISLCT2 is equivalent to
AISXXR1.
6.5.1.3 Direct
For complete control of the LED indicators, the Direct Method is available. Each individual LED can
be set to red, green, blue or amber and off, flashing, alternate flashing or constant.
In Dumb mode, the Good Read LED flashes on a successful read, overriding any other LED setting.
This can be disabled by setting the Good Read Indicator Duration (AISGDT) to 0.
In Host and Interactive modes, AISXXR0/1/2 must be used to update the status of ATR, but these
commands do not affect the LEDs. Use the AISLCD command to control the LEDs.
6.5.1.4 NFC
This is only applicable to NFC enabled units.
