OPTICON
Software Guide
MDL-1000/2000
69
8-13
Trigger Mode (0x8A)
Scan the appropriate bar code below to trigger the scan engine.
Level:
In this mode, scanning starts when Trigger signal is set to L-level.
Scanning ends either when Trigger signal is set to H-level, scanning is not completed within
the time-out period, or scanning attempt is successfully completed.
Pulse
：
In this mode, scanning starts when Trigger signal is set to L-level.
Scanning ends either when scanning attempt is successfully completed or scanning is not
completed within the time-out period.
Continuous
：
In this mode, the laser stays on and decoding. After a decoding and an output of the bar
code data is completed, it is possible to decode the same bar code again but it does not
output the data again.
Host:
In this mode, scanning starts with START_DEC command.
Scanning ends either when scanning attempt is successfully completed or scanning is not
completed within the time-out period.
Decode While Trigger Signal is Active
：
This mode is almost the same as Level mode. However, there is no time-out limitation with
this mode.
Scanning ends either when scanning attempt is successfully completed or trigger signal is
set to H-level.
While in Host mode, scanning shall not be started by Trigger signal.
However, if it was recovered from low power state with the Trigger signal, scanning can
start with Trigger signal. This operation is similar to that of Pulse mode.
＊
Level (0x00)
Pulse (0x02)
Continuous (0x04)
Host
（
0x08
）
