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Control Commands
Scanner
U1
U2
U3
U4
U5
U6
PW
VER
VERF
ERROR
OK
NG
IMAGEOUT
(Note 1) If the scanner receives the R command twice with the reading window being applied to a code (for example, it
receives the R command, sends the code data read, and receives the Z and R commands), it will send even the same code
data twice. This is because the Z command cancels the duplication prevention processing.
In split QR code scanning operation, if the scanner receives the Z command and switches to standby before scanning a set
of split QR codes, the duplication prevention processing will be canceled. The code data that has been read halfway will be
discarded.
The READOFF and LOFF commands produce the same result as the Z command, the READON and LON commands, as
the R command.
(Note 2) When the scanner is on standby, pressing the trigger switch may light the LEDs momentarily, but the scanner
cannot scan codes.
(Note 3) After receipt of one of the B1 through B3, LB, LG, LR and VO command, the scanner may need a maximum of
100 ms to execute the command.
Transfer Direction
Host
Trigger switch control
U1: Auto-off mode
U2: Momentary Switching mode
U3: Alternate Switching mode
U4: Continuous Reading mode 1
U5: Continuous Reading mode 2
U6: Auto Sensing mode
Save parameters
This command saves settings made with U1 through U6 commands
into the EEPROM. Without the PW command, the scanner will
lose settings made with U1 through U6 when it is turned off.
Request for software version
<Response from the scanner> Ver.n.nn
where n.nn is version number (Ex. Ver.1.00)
Request for the parameter setting version
This command checks the version of the parameter settings made in
the scanner when the scanner is linked with the configuration
software.
<Response from the scanner> Ver.n.nn.mm
where n.nn.mm is version number (Ex. Ver.1.00.00)
and mm is parameter setting version.
Scanning failure
When the scanner (which is ready to scan) cannot complete
scanning and switches to standby, it sends the ERROR command.
Whether or not to send this command can be selected.
Verification match
If code data scanned matches master data in Data Verification
mode, the scanner sends this command as long as the OK
transmission is enabled for a match.
Verification mismatch
If code data scanned does not match master data in Data
Verification mode, the scanner sends this command as long as the
NG transmission is enabled for a mismatch.
Capture image
Refer to Chapter 10 for details.
69
Function
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