User`s guide

40 Command Summary
Examples:
3*5XYVL locates the video window’s top, left corner shifted three pixels to the right and 5 pixels
down. 300*400WHVL sets the width to 300 & height to 400. When all four values X,Y,W,H are zero,
the unit is back in the default, automatic mode, where the video window is full screen, the image is
rotating around the four corners of the screen, the banner is located along the top or bottom, and the
browser takes over the full screen when used.
You can also do Percentages.
Here’s the format for setting the video window location by percent: xxx%yyyXYVL
Here’s the format for setting the video window width and height by percent: www%hhhWHVL
For example:
10%10XYOL
25%100WHOL
Note the asterisk has changed to a percentage. In the above example, if your desktop screen width and
height was 800x600, your browser window would be located 8pixels to the left of the edge and 6 pixels
down from the top. It would be 200 pixels wide by 600 pixels tall.
Command Summary
The following table shows the complete Information Station control protocol. Using these
commands, an external controller or PC can accomplish extremely complex tasks. Throughout the
following table, <CR> means carriage return, a byte with the hexadecimal value of 0D. (The serial
interface uses carriage returns, but the other interfaces do not need them.) Brackets, like [ ], denote
optional message bytes. If you try a command that responds with an error, you may need to
upgrade your firmware form our website at www.alcorn.com. In the Table below, some
commands are channel specific. Use the following list for the specific channels:
Number Channel
1 Video/Audio & Playlist Engine 1
2 Independent Audio only & Playlist Engine 2
3 Image
4 Banner
5 Browser
6 FTP Client
9 Scheduler
Below, [<ID>@] refers to the optional ID byte (zero by default) that can be placed in front of each
command. This is usually left off.
Description Command Bytes Response Comments
Firmware Version [<ID>@]?V<CR>
Version
Firmware Version Request