Zebra Technologies radio frequency identification (rfid) ユーザーズマニュアル

^HR

11/14/2008

RFID Programming Guide

58978L-008 Rev. A

Description   Use this command to initiate an RFID transponder calibration for a specific 
RFID label. Results are returned to the host computer. This calibration is used to determine the 
optimal programming position for RFID media that may not meet the transponder placement 
specifications for the printer.

During transponder calibration, the printer feeds the RFID label one millimeter at a time while 
taking readings (via the READ TAG command and the WRITE TAG commands) to profile the 
RFID transponder. Based on the results, the printer determines the optimal programming 
position for the label and returns a results table to the host. The calibrated value is used as the 
programming position for the 

^RS

 command, can be overwritten by the 

^RS

 command, and is 

saved to nonvolatile memory (the value is saved even if the power is turned off).

This calibration takes into account the print mode, backfeed mode, and tear off position. The 

RUN

 option in the 

RFID TAG CALIB

 control panel parameter performs the same 

calibration but does not create a results table.

Format   ^HRa,b

This table identifies the parameters for this format.

Consider the following before using this command:

This command is not supported by all printers or firmware. See 

 for the list of printers and firmware with which you can use this 

command.

Do not perform transponder calibration for RFID media that meets the transponder 
placement specifications for your printer. Doing so will slow the printer’s throughput 
unnecessarily. To order media that is designed for use with your RFID printer, contact 
your authorized Zebra reseller.

If a label format specifies a value for parameter 

p

 (read/write position of the 

transponder) in the 

^RS

 command, that value will be used for the programming position for 

all RFID labels until a new position is specified or until the printer is turned Off (O) and then 
back On (I).

a

= start string

User text to appear before the results table.

Accepted values: any string less than 65 characters

Default value: 

start

b

= end  string

User text to appear after the results table.

Accepted values: any string less than 65 characters

Default value: 

end