Increment Focus Position
The following example assumes a focus position setting of 400 (4"), with access to the focus distance values shown in the imager response.
Send: <K526?>
Response: <K526,30,202,212,225,241,264,410,447,466,481,492,502,511,519,526,533, 539,545,550,556,561,565,570,574,578,582,586,590,594,597,601>
The current focus position would be 410 (4.1").
Send: <K525+>
Send: <K525?>
Response: <K525,447>