Skip to command documentation
Device onlyrfiddevicesession scope
^HR

Calibrate RFID Tag Position

^HR configures calibrate RFID Tag Position. It applies to the printer session and subsequent formats and controls printer hardware or connectivity rather than label pixels.

ZPLr compatibility note

  • Recognized by the renderer but has no label-raster effect.

These are code examples only. This printer or session command does not produce a standalone label image.

Syntax
^HRa,b,c,d,e,f,g,h,i
a

Start string

Sets start string. It can be omitted when the documented default is suitable.

Default
start
Required
No
Documented valuestext

a variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

a = text

Uses text for start string while the other command values stay at representative defaults.

ZPLcaret-hr-a-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

a = text2

Uses text2 for start string while the other command values stay at representative defaults.

ZPLcaret-hr-a-2.zpl
^HRtext2,text,0,0,A,0,0,A1,A1
b

End string

Sets end string. It can be omitted when the documented default is suitable.

Default
end
Required
No
Documented valuestext

b variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

b = text

Uses text for end string while the other command values stay at representative defaults.

ZPLcaret-hr-b-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

b = text2

Uses text2 for end string while the other command values stay at representative defaults.

ZPLcaret-hr-b-2.zpl
^HRtext,text2,0,0,A,0,0,A1,A1
c

Start position

Sets start position. It can be omitted when the documented default is suitable.

Default
For ZT400 Series and ZT600 Series printers with RFID option: B30 For R110Xi4, ZD500R, ZQ511/ZQ521, a
Required
No
Documented values0

c variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

c = 0

Uses 0 for start position while the other command values stay at representative defaults.

ZPLcaret-hr-c-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

c = 1

Uses 1 for start position while the other command values stay at representative defaults.

ZPLcaret-hr-c-2.zpl
^HRtext,text,1,0,A,0,0,A1,A1
d

End position

Sets end position. It can be omitted when the documented default is suitable.

Default
For R110Xi4 and all Link-OS RFID printers: A For all other supported printers: Label length as shown
Required
No
Documented values0B0B30

d variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

d = 0

Uses 0 for end position while the other command values stay at representative defaults.

ZPLcaret-hr-d-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

d = B0

Uses B0 for end position while the other command values stay at representative defaults.

ZPLcaret-hr-d-2.zpl
^HRtext,text,0,B0,A,0,0,A1,A1
e

Antenna and read/write power level detection

Sets antenna and read/write power level detection. It can be omitted when the documented default is suitable.

Default
A
Required
No
Documented valuesAM

e variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

e = A

Uses A for antenna and read/write power level detection while the other command values stay at representative defaults.

ZPLcaret-hr-e-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

e = M

Uses M for antenna and read/write power level detection while the other command values stay at representative defaults.

ZPLcaret-hr-e-2.zpl
^HRtext,text,0,0,M,0,0,A1,A1
f

Start of read/write power range

Sets start of read/write power range. It can be omitted when the documented default is suitable.

Default
0
Range
0–30
Required
No
Documented values030

f variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

f = 0

Uses 0 for start of read/write power range while the other command values stay at representative defaults.

ZPLcaret-hr-f-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

f = 30

Uses 30 for start of read/write power range while the other command values stay at representative defaults.

ZPLcaret-hr-f-2.zpl
^HRtext,text,0,0,A,30,0,A1,A1
g

End of read/write power range

Sets end of read/write power range. It can be omitted when the documented default is suitable.

Default
maximum power
Range
0–30
Required
No
Documented values030

g variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

g = 0

Uses 0 for end of read/write power range while the other command values stay at representative defaults.

ZPLcaret-hr-g-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

g = 30

Uses 30 for end of read/write power range while the other command values stay at representative defaults.

ZPLcaret-hr-g-2.zpl
^HRtext,text,0,0,A,0,30,A1,A1
h

Start of antenna range

Sets start of antenna range. It can be omitted when the documented default is suitable.

Default
A1
Required
No
Documented valuesA1B4

h variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

h = A1

Uses A1 for start of antenna range while the other command values stay at representative defaults.

ZPLcaret-hr-h-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

h = B4

Uses B4 for start of antenna range while the other command values stay at representative defaults.

ZPLcaret-hr-h-2.zpl
^HRtext,text,0,0,A,0,0,B4,A1
i

End of antenna range

Sets end of antenna range. It can be omitted when the documented default is suitable.

Default
printer model dependent
Required
No
Documented valuesA1B4

i variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

i = A1

Uses A1 for end of antenna range while the other command values stay at representative defaults.

ZPLcaret-hr-i-1.zpl
^HRtext,text,0,0,A,0,0,A1,A1

i = B4

Uses B4 for end of antenna range while the other command values stay at representative defaults.

ZPLcaret-hr-i-2.zpl
^HRtext,text,0,0,A,0,0,A1,B4

Primary source

Official Zebra reference

Use the manufacturer reference for printer- and firmware-specific behavior beyond ZPLr’s pinned rendering profile.

Open Zebra documentation