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Sets the TV focus.

Format: TVFOCUS <focusvalue>

Example: TVFOCUS 15000

Units: Microns.

Range: 0 to 17500.

Comments: To adjust the TV focus so that the TV is focussed on the slit, or so that a star is in focus on the TV in direct mode.

Fri Jan 7 15:34:48 GMT 1994