
HS-21/HS-41X Handheld Reader User’s Manual A-21
Appendices
9
Requests the reader to delete a file from its storage; data contains the
file name, terminated with ASCII NUL.
;
Reserved (nop – treated as a comment)
<
Causes the reader to send a list of saved reader settings (no data)
(see ‘,’ command)
=
Puts setting directly to reader’s non-volatile memory so that it will take
effect upon next reboot; data is as defined in the / command; the speci-
fied integer replaces the existing setting value.
Note: This command can be used to set communication modes without
losing communication during the process.
(The reader will respond with d or e.)
>
Causes the reader to send a string of text to the host as a z packet;
data contains the text to send.
(The reader will respond with a z packet containing the text.)
@
Causes the reader to reset its internal date/timestamp to the specified
time; data contains the date and/or time in one of the following formats.
yyyy-mm-dd hh:mm:ss
yyyy-mm-dd hh:mm
hh:mm:ss
hh:mm
Note: The separators are optional; only digits are significant.
(The reader will respond with d or e.)
Examples:
Set to midnight: @00:00
Set to Sept 1, 2005 11:52:02 PM: @2005-09-01 23:52:02
Note: On units without a battery-backed real-time clock, the date and
time will reset to 2000-01-01 00:00:00 upon power-up.)
A
Notifies the reader that the previously sent data were rejected for one of
the following reasons:
• The packet was encrypted and the decryption failed.
• The host is locked to a different reader.
The reader should indicate to the user that the packet has been
rejected; e.g., it may sound error beeps. See related setting 0x12f,
notify-of-packet-rejection.
(The reader will not respond to the host.)
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