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2.9.2
Scanning method
The laser scanner has “scanning state” (emits a laser beam to read a barcode) and “standby state”
(scanning is halted and the terminal remains in a standby state).
These two states are controlled to start and stop barcode scanning.
Scanning
Method
Description
Conditions for scanning to end
Timeout?
Single scanning
Press Trigger key to start
scanning.
Scanning is stopped when
either scanning succeeds or
one of the scan end
conditions is met.
Timeout time has elapsed.
When scanning is successful
When the OBRClose function is
called
Yes
Continuous
scanning
(With trigger
key)
Press Trigger key to start
scanning, and scanning will
continue as long as the
Trigger key is held down.
Scanning will stop when either
scanning is completed for just
preset no. of times for
scanning or one of the scan
end conditions is met.
Timeout time has elapsed since
the previous code was scanned.
Scanning for the preset number of
times is complete.
The Trigger key is released.
When the OBRClose function is
called
Yes
Continuous
scanning
(Program
control)
Laser scanner library
functions are used to start and
stop scanning.
Previous scanning data and
scanning data made
redundant by other scanning
data will be discarded.
Timeout time has elapsed since
the previous code was scanned.
Scanning end function is called
during scanning.
When the OBRClose function is
called
Yes
The scanning method set by default is “Continuous scanning (controlled with Trigger key)” and
“Scanning attempts = 1”.
Multi-step reading
This method is for scanning a specified number of barcodes. Once scanning for the specified
number of bar codes has been completed, the scanner closes and will not scan again until
reopened.
Also, the same bar codes that have been scanned previously cannot be scanned again.
