Honeywell HF800 Series Reference Manual page 42

If the device you selected is Master, you can select Master work mode:
1. Synchronize mode: Master will receive data which from slave devices and
processing all the data (data format, sequence) and transmit the overall data
through Master's interface.
NOTE: Please make sure that master and slaves share the same
symbologies settings, if slave decode and transmit one certain symbology to
master which master do not support, master will ignore this symbology and
send nothing out.
Synchronized mode typical application layout as below:
2. Pass-through mode: Master will act as a repeater and transmit all the data
which from slave devices without processing through Master's interface.
®
DataMax Configuration Program will also list current grouping information if
the connected device is acted as Master.
Pass-through mode typical application layout as below:
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