BNC 645 - Manual (Page 106)

106
start or stop frequency, whichever is closer.
-222 Data out of range; pulse width; value clipped to…
The desired pulse width is limited to the upper or lower boundary as
indicated by the instrument hardware.
-222 Data out of range; pulse edge time; value clipped to…
The desired edge time is limited to the upper or lower boundary as
indicated by the instrument hardware.
-222 Data out of range; FM deviation; value clipped to…
The desired frequency deviation is limited to the upper or lower
boundary set by the carrier frequency.
-222 Data out of range; FM deviation limited by minimum
frequency
The frequency deviation is limited to the lower limit.
-222 Data out of range; FM deviation limited by maximum
frequency; value clipped to upper limit
The frequency deviation cannot exceed the carrier frequency. The
maximum should be limited to 25.05 MHz for sine, 12.55 MHz for
square carrier waveforms and 5.05 MHz for an arbitrary waveform.
-222 Data out of range; PWM deviation
The width deviation is allowed to be in the range of 0 and the width of
the underlying pulse waveform, while the duty cycle deviation is in
the range of 0 and the duty cycle of the underlying pulse waveform.
But this message indicates that either parameter is further limited by
minimum pulse width and edge time parameters.
-222 Data out of range; PWM deviation limited by pulse
parameters
The PWM deviation (width or duty cycle) is adjusted to accommodate
the current pulse parameters such as pulse width/duty cycle, period
and edge time.