Handheld Bluetooth® CCD/Laser Scanner
20
U
SER
’
S
M
ANUAL
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:
a) No ACK/NAK protocol:
b) ACK/NAK only
c) Frame packing:
BT Scanner
Remote BT
device
BT scanner
Remote BT
device
data
data
NAK
Resend
ACK
Get a good beep
BT scanner
Remote BT
device
Data format of
Acknowledge
Get a good beep
Содержание Z-3051BT
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