
HS-21/HS-41X Handheld Reader User’s Manual A-23
Appendices
T
Requests the current date and time (no data).
(The reader will respond with d with data containing the date and time
formatted as yyyy-mm-dd hh:mm:ss.)
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.
U
Reserved for script engine.
W
Requests the reader to write its current settings from RAM to its non-vol-
atile memory.
(The reader will respond with d or e.)
Y
Acknowledge the receipt of a packet; data specifies the received packet
number (one byte).
(The reader will not respond.)
Z
Request the reader to reboot.
data is:
• empty or ‘0’; reboot the reader.
• ‘1’; restart application.
(The reader will respond with d or e before it reboots.)
^
Requests the reader to upload the specified stored file; data contains
the file name, terminated with ASCII NUL.
The reader will respond with:
• ‘g’ packet containing “filename<tab>(size)”
• ‘z’ packet(s)
• ‘d’ packet containing “EOF<tab>(CRC16)”
Note: filename “help” is reserved to send command information.
_
Causes the reader to wait for all buttons to be released and clear its
event queue.
(The reader will respond with d or e.)
|
Process data as a decoded string.
(The reader will respond with d or e.)
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