SCORE is an integer that has a range of ‘000’–

‘100’

NAK means command format error or checksum error.

For the host to verify against the template saved on its disk, it should issue ESC L command first to download the template to the MR350 MKII reserved file $FP.DNL and then issue ESC $H command to verify the fingerprint if ESC L command is successful.

ESC $I Verify ID ()

The command requests to verify the fingerprint against the template(s) with the specified ID stored on MV1100.

==>

STX ESC $I xxxxxxxxxx CS1 CS2 ADDR

<== STX ESC $I RESULT < , INDEX , SCORE > CS1 CS2

ETX

 

 

 

or

 

 

 

<==

NAK

 

 

xxxxxxxxxx

;template ID

RESULT

=

‘0’

;success

 

=

‘1’

;fail

 

=

‘2’

;busy

 

=

‘3’

;timeout

If RESULT = ‘0’, MR350MKII will response with INDEX and SCORE fields:

INDEX is the index of the matched template that has an range of ‘000’– ‘255’

SCORE is an integer that has a range of ‘000’– ‘100’

NAK means command format error or checksum error.

ESC $L Download Template

The command downloads the template from the MR350 reserved file $FP.DNL to MV1100 and stores the template in MV1100 flash memory .

==>

STX ESC $L CS1 CS2 ADDR

<==

STX ESC $L RESULT CS1 CS2 ETX

or

 

 

<==

NAK

 

RESULT

=

‘0’ ;success

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Unitech MR350MKII manual ESC $I Verify ID, ESC $L Download Template