Appendix E, ALPHABETICAL LISTING OF COMMANDS
E-11
EX [n] Output expansion control
Expands X and/or Y channel outputs by a factor of 10. Changes bar-graphs, analog
outputs full-scale to ±1000% if X or Y selected. The value of n has the following
significance:
n Expand mode
0 Off
1 Expand X
2 Expand Y
3 Expand X and Y
FASTMODE [n] Output Filter Mode Control
The value of n sets the output filter mode control according to the following table:
n Function
0 Fast mode off
1 Fast mode on
FET [n] ] FET input selection
The value of n control the input device used at the signal input according to the
following table:
n Input device
0 Bipolar
1 FET
FLOAT [n] Input connector shield float/ground control
n Selection
0 Ground
1 Float (connected to ground via a 1 k resistor)
FMCENTERF[.] [n] Oscillator frequency modulation center frequency command
In fixed point mode n sets the oscillator frequency modulation center frequency in
mHz. The range of n is 0 to 250000000 representing 0 to 250.0 kHz; in floating point
mode n sets the center frequency in Hz. The range of n is 0 to 2.5E5
NOTE: The span frequency plus the center frequency cannot exceed 250.0kHz;
the center frequency must also be greater than the span frequency.
FMCENTERV[.] [n] Oscillator frequency modulation center voltage command
The value of n sets the oscillator frequency modulation center voltage; in fixed point
mode n is an integer in the range -10000 to +10000, corresponding to voltages from -
10.000 V to +10.000 V, and in floating point mode it is in volts.
NOTE: The span voltage plus the center voltage cannot exceed
10.000 V
FMFILTER [n] Oscillator frequency modulation filter control command
The value of n sets the oscillator frequency modulation voltage low-pass filter
control in the range 0 to 10. The value of 0 gives the widest bandwidth for this filter,
with the value of 10 the lowest.
FMSPANF[.] [n] Oscillator frequency modulation span frequency command
In fixed point mode n sets the oscillator frequency-modulation span frequency in
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