Technical information

10/29/2014
Page 14 of 72
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G
Get setting from Reader if followed by a register number in parenthesis.
G([prefix|suffix]) will return the prefix or suffix text.
(The Reader will respond with d and the setting valueor with e. The setting value, if numeric, will
be in hexadecimal, padded to 8 digits.)
Note: see Section 8 for possible Reader settings.
I
Requests the Reader to send its information string (no data).
(The Reader will respond with i or e.)
Optional Subcommands:
Is
Retrieves Settings data – Available in 911+ firmware
Is[scd]
s – saved settings (same as ‘<’ command)
c – current settings (same as ‘,’ command
d – default settings
Ib
Sends XML formatted battery information to Host.
J
Requests the Reader to restore settings to defaults (no data).
(The Reader will respond with d or e.)
J1
Complete restore of factory setup. Will overwrite the apps and settings.
L
Requests the Reader to send a list of its stored files
data is:
 (no data) or “0”; all non-hidden files.
 “1”; hidden files
(The Reader will respond in the same manner as with the ‘(’ command, each z packet containing
a file name as a NUL-terminated string of printable ASCII characters.)
N
Deletes all stored images (.jpg and .pgm) and buffered scan data (.log and .buf files)
O
Set a bit (or bits) in a Reader setting; data contains a printable ASCII string in the following
format: hexadecimal register number in parentheses followed by a 32-bit signed integer value,
expressed in ASCII hexadecimal characters (with optional minus sign) or ASCII decimal characters
preceded by the ‘#’ character, e.g., /(2e)1000 or /(2e)#4096;; the specified integer is ORed with
the existing setting value.
The way an O command is handled is equivalent to a P command – the effects are immediate
but won’t survive a reboot. If you want the setting to be set after a reboot, issue an O then W or
use the newer CO combination.
(The Reader will respond with d or e.)
Note: see Section 8 for possible Reader settings.