Commands
7-5
tags, and does not echo host commands.
Command List
Reader commands are divided into groups based on primary function. The following
sections provide information about each command in command number order. Refer
to Appendix D for listings of commands in numerical and alphabetical order.
In the following text, the symbols < and > repres
ent variable message data. These
symbols are not part of the message syntax.
Hex digits (0–9, A–F) in either uppercase or
lowercase characters may be used in data
strings and for hex digits A–F.
Reader Mode Control — Command Group 0
Group 0 commands control reader mode. The mode determines whether the reader is
transmitting data to or receiving data from a host computer or terminal.
00 Switch to Data Mode (Factory Default)
Command #00 switches the reader to data mode, which allows the reader to transmit
tag data (ID codes) to the host. In addition to switching the reader to data mode, com-
mand #00 automatically saves to non-volatile memory (NVRAM)
any user parame-
ters that had been changed during the comma
nd mode session. The reader enters data
mode on power up.
Caution
To save user parameter changes to NV
RAM, you must send command #00 before
powering down the reader.
While operating in data mode, the reader acc
epts the following commands:
• Command #01 Switch to Command Mode
Reader response:
Done
01 Switch to Command Mode
Command #01 switches the reader to command mode, which allows the reader to
accept commands from a host or terminal. While in command mode, the reader turns
RF off and does not acquire tags.
Reader response:
Done
Communications Port Control — Command
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