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144 Agilent E1441A Error Messages
Appendix B
-221 Settings conflict; duty cycle has been adjusted
The requested duty cycle is not valid. For output frequencies above 5 MHz,
the duty cycle is limited to values between 40% and 60% (below 5 MHz, the
range is 20% to 80%). The duty cycle is automatically adjusted if you select
a frequency that is not valid with the present duty cycle percentage. For
example, if you set the duty cycle to 70% and then change the frequency to
8 MHz, the function generator will automatically adjust the duty cycle to
60% (the upper limit for this frequency).
-221 Settings conflict; fm deviation has been adjusted
The requested
FM peak frequency deviation is not valid. The sum of the
carrier frequency and peak frequency deviation must be less than or equal
to the maximum frequency for the selected function
plus 100 kHz (15.1 MHz
for sine and square, 200 kHz for triangle and ramp, and 5.1 MHz for
arbitrary waveforms). If you attempt to set the deviation to a value that is not
valid, the function generator will automatically adjust the deviation to the
maximum value allowed with the present carrier frequency.
-221 Settings conflict; frequency has been adjusted
The requested output (or carrier) frequency is not valid. The output
frequency is automatically adjusted if you select a function whose maximum
frequency is less than that of the currently active function. For example, if
you output a 1 MHz sine wave and then change the function to triangle
wave, the function generator will adjust the output to 100 kHz (the upper
limit for triangle waves).
-221 Settings conflict; fsk frequency has been adjusted
The requested
FSK “hop” frequency is not valid. The FSK frequency is
automatically adjusted if you select a function whose maximum frequency
is less than that of the currently active function. For example, if you set the
FSK frequency to 1 MHz in the sine function and then change the function to
triangle wave, the function generator will adjust the frequency to 100 kHz
(the upper limit for triangle waves).
-221 Settings conflict; offset has been adjusted
The requested offset voltage is not valid with the present output amplitude.
The offset is automatically adjusted to the maximum value allowed with the
present output amplitude. The output amplitude (in Vpp) and the dc offset
voltage must obey the following restrictions. (Vmax is either 10 volts for a
high impedance termination or 5 volts for a 50 ohm termination.)
-221 Settings conflict; start frequency has been adjusted
The requested start frequency is not valid. The start frequency is
automatically adjusted if you select a function whose maximum frequency
is less than that of the currently active function. For example, if you set the
start frequency to 200 kHz in the sine wave function and then change the
function to triangle wave, the function generator will adjust the output to
100 kHz (the upper limit for triangle waves).