Omron FZ4 Series User Manual page 478

<Response>
Setting the number of the displayed unit
Sets the number of the unit displayed in the specified image display window.
<Command format>
or
7
(Response format)
When processing is performed normally
When processing is not performed normally
(Parameters explanation)
Display image
window
number
Unit No.
(Example)
When setting "2" as the number of the unit displayed in display image window "1"
<Command>
<Response>
476 Controlling/Outputting through Serial Communication (Non-procedure)
Specify the number of the display image window setting the unit number (0-4).
Reference: Display image window numbers (p.467)
Sets the number (0 to number of units in current scene minus 1) of the unit displayed in the display
image window.
FZ4 User's Manual