Model 2090 Multi-Device Controller
N2
Compatibility:
2090
Description:
Places the controller in the 2090 compatible numeric mode two. This mode
provides a GPIB readout accuracy of 4 (XXX.X) digits. This setting has no
effect on the 2090's internal or display accuracy. This command is global,
changing the numeric mode of both primary devices.
Devices:
Towers, Turntables
Syntax:
N2
Example:
CALL ibwrt (TowerUD%, "N2")
' changes numeric mode of
' the tower to 4 digit readout
See Also:
N1
OFF
Compatibility:
2090 (Firmware Rev 2.2)
Description:
Sets the polarization offset of non-bore sight towers. (ETS-Lindgren bore
sight towers have centerline rotation and do not require polarization offset
corrections.) The specified offset value is added to the current position when
switching from vertical to horizontal polarization and subtracted when
switching from horizontal to vertical polarization.
Devices:
Towers
Syntax:
OFF [+/-] XX[.X]
+
Optional for positive values
-
Necessary for negative values
XX[.X]
Decimal value between 50.0 and –50.0 for the offset
to be set in centimeters.
In N1 mode .X is ignored
In N2 mode .X is optional.
Leading zeros are optional.
Example:
CALL ibwrt (TowerUD%, "OFF 25.0")
' Set polarization offset to 25 cm
See Also:
OFF?
OFF?
Compatibility:
2090 (Firmware Rev 2.2)
Description:
Queries the polarization offset for standard (non-bore sight) towers. The value
returned is either in N1 (XXX) or N2 (XXX.X) format depending upon the
current numeric mode. Negative values are preceded by a "-" minus sign.
Devices:
Towers
Syntax:
OFF?
Response:
[-]XX[.X]
Value of the polarization offset in centimeters.
Example:
CALL ibwrt (TowerUD%, "OFF?")
' Query polarization offset
CALL ibrd (TowerUD%, rdbuf$)
' Read response
See Also:
OFF
©ETS-Lindgren, April 2006
117
Revision G– P#399199
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