Encompass 4 Reader System Guide
TransCore Proprietary.
7–88
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
for listings of commands in numerical and alphabetical order.
In the following text, the symbols
<
and
>
represent 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, command
#00
automatically saves to
non-volatile memory (NVRAM) any user parameters that had been changed during the command mode
session. The reader enters data mode on power up.
Caution
To save user parameter changes to NVRAM, you must send command
#00
before
powering
down the reader.
While operating in data mode, the reader accepts 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
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