Specifications

Lecture Recorder x2 User Guide 7-7 Control with RS-232 / Serial Port
Label Description / Options
Software A software handshake that uses XON/XOFF characters to control the flow of data. Select this
when your control terminal requires it (see control terminal manual).
None No flow control is used. Only select this if your control terminal requires it (see control
terminal manual).
5. Click Apply.
Control the Lecture Recorder x2 with RS-232
You can use the null-modem cable and your control terminal software to issue commands to the Lecture
Recorder x2 such as when to start or stop recording, or to retrieve or set the value for various settings.
Note: A line feed (ASCII code 10) is needed at the end of each command.
The table describes the RS-232 commands supported by the Lecture Recorder x2.
Table 28 Supported RS-232 Commands
CommandName Description
Recording Commands
START Starts recording.
If already recording, the current recording file is closed and a new file is started.
STOP Stops recording.
SNAPSHOT Takes a snapshot image (supported only if configured to use the Motion JPEG
codec). Snapshots are saved with recording files on the device.
Configuration Commands (see ConfigurationKeys forThirdParty APIs for available keys)
GET.<key> Gets the saved value of a given parameter.
SET.<key> Sets the value of a given parameter. The value is not saved until the SAVECFG
command is sent.
SAVECFG Saves the parameters modified by the SET command.
Status Commands
170