Analog Way Eikos LE - EKS400 Programmer's Guide - Manual (Page 3)

3
A [write command] is made of indexes followed by the numerical value followed by the command characters.
Write command = [[index,] ...] + Value + Character (s) code (s)
For example: “1,2,0IN” or “4YB”
A [read command] is made of indexes followed immediately by the command characters. (no numerical value)
Read command = [[index,] ...] Character (s) code (s)
For example: “1,2,IN” or “YB”
A3: Examples
Document notation:
1) Command without index : SWITCHER_MODE
Command to set the switcher mode to mixer mode: 0CM
Answer: CM0 which mean that the device is now working in mixer mode.
2) Command with 1 index : OFORMAT
Command to set the Main output format to XGA: 0,12OF
Answer: OF0,12 which mean that the main output format is now 1024x768
3) Command with 2 indexes : PE_INPUTNUM
Command to set the input 4 displayed in background layer of Next Preset: 1,2,4IN
Answer: IN1,1,4 which mean that the background layer of the next preset will display the input 4 signal
4) Read command without index : TAKEAVA
Read command to know if the TAKE command is available: TA
Answer: TA1 which mean that the device is ready to accept the TAKE command.