Zebex Industries Inc BT-CRADLE 用户手册
7. ACK/NAK
protocol or Frame packing
When scanner is in SPP Master/Slave mode, and add in the data protocol
or packing could confirm the data reliability. Refer to below for different
setting options:
or packing could confirm the data reliability. Refer to below for different
setting options:
a) No
ACK/NAK
protocol:
data
Remote BT device
BT Scanner
b) ACK/NAK only
ACK
Resend data
NAK
data
BT
scanner
Remote BT
device
Get a good beep
c) Frame packing:
Acknowledge packet
Data format of packet
Remote BT
device
BT
scanner
Get a good beep
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