ZFM-70 SeriesFingerprint Identification Module User Manual
www.zhiantec.com Hangzhou Zhian Technologies Co.,Ltd
20
3.1.6 Classified by instruction order
list 0.4 by instruction order
Capture
fingerprint image
Generate Features
from fingerprint
image
Merge Features to
template
Read valid template
number
Read fingerprint template
index table
Download
fingerprint image
Capture fingerprint no
control light
Search finger(with
Residual judge)
5.2 Check and acknowledgement of data package
Note: Commands shall only be sent from upper computer to the Module, and the Module
acknowledges the commands.
Upon receipt of commands, Module will report the commands execution status and results to upper
computer through acknowledge packet. Acknowledge packet has parameters and may also have following
data packet. Upper computer can’t ascertain Module’s package receiving status or command execution
results unless through acknowledge packet sent from Module. Acknowledge packet includes 1 byte
confirmation code and maybe also the returned parameter.
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