Sierra Video Sequoia Family - Manual (Page 59)

GENERIC PROTOCOL
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A variable value is typically an unsigned decimal number, but may also be a signed decimal
number. The “G VAR2QRY” command can be used to determine the allowed range of values.
For example, to query for the value of the (3,87) the element of an array variable named “GAIN”:
** G VAR2,GAIN,3,87~ !!
The response command (or a command to set the variable to this value) might be:
** G VAR2,GAIN,3,87,29~ !!
*Details of the “G” command can be found on our website or by contacting the factory.