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4.
Operating modes
The ATR110 operates in one of three ways, as defined by the
AISOMD
command. Refer to the
Command reference
on page 18 for a list of commands that you can send to configure the ATR110.
4.1
Mode summary
4.1.1 Dumb mode
The ATR110 is a one-way communication device.
The device detects the media and activates the imager and illumination. When the ATR110 reads
the document, it sends the data to the host, activates
the ‘Good Read’ indicators, and disables the
imager and illumination. The imager and illumination do not reset until the ATR110 sensor fails to
detect any media for 0.5 seconds.
4.1.2 Host mode
The ATR110 is a two-way communication device that reads barcodes and does not show any
indicator lights until the host computer accepts or rejects the barcodes.
The device detects the media and activates the imager and illumination. When the device reads the
barcode, it sends the data to the host and disables the imager and illumination. The ATR110 waits
for a response from the host to accept or reject the data, which activates the
‘Good Read/Bad Read’
indicators on the device. The ATR110 waits for up to two seconds for an
‘Accept/Reject/Ignore’
command to activate the indicators. The host sends an
‘Ignore’ command to reset the imager if no
response from the indicators is required. The imager and illumination do not reset until the sensor
fails to detect any media for 0.5 seconds.
4.1.3 Interactive mode
Note
:
This is not the recommended mode for new installations.
The ATR110 is a two-way communication device, controlled fully by a host.
The ATR110 detects the media and sends a command to the host with this information. If the media
is removed, a second command is sent telling the host the media is no longer detected.
If the media is present, the host sends a command to activate the imager and illumination. When the
ATR110 reads the barcode, it sends data to the host. The imager and illumination are not disabled.
The ATR110 waits for a response from the host to accept or reject the data, which activates the
‘Good Read/Bad Read’ indicators and disables the imager and illumination. An ‘Ignore’ command
may also be used, although untriggering the unit is more useful in most cases.
At any time, the host can send ‘Good Read’ or ‘Bad Read’ commands or commands to activate or
deactivate the imager and illumination.