Brother TD-2120N - Manual (Page 52)

P-touch Template 2.0 Command Reference
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7. Control Command Details
^QV Specify QR Code version
ASCII: ^ Q V n1 n2
Decimal: 94 81 86 nd1 nd2
Hexadecimal: 5E 51 56 nh1 nh2
Parameters
0≤n1≤4
0≤n2≤9
Description
 Specifies the QR Code version.
(n1*10)＋n2: Version number (between 0 and 40)
 The default QR Code version is 0.
 This command becomes invalid if a value other than those that can be set (between 0 and 40) has been
specified.
 This command is a dynamic command.
Example
 To change the version to 10:
Since n1=1 and n2=0, the command will be as follows.
^ Q V 1 0
(5Eh 51h 56h 31h 30h)