Datalogic QuickScan I QD21 1 Series Product Reference Manual page 283

Enter/Exit Programming Mode
BT Poll Rate
This feature specifies the time between BT polls.
BT Poll Rate = Maximum BT Poll Rate
BT Poll Rate = 20 ms
BT Poll Rate = 100 ms
Product Reference Guide
OTHER BT FEATURES
BT Poll Rate = 10 ms
DEFAULT
BT Poll Rate = 50 ms
BT Poll Rate = 200 ms
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