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Normal
Operation
Error and
Warning/Status
Messages
When an abnormal condition is detected during op
-
eration, the MG369XB displays an error message to
indicate that the output is abnormal or that a signal
input or data entry is invalid. It also displays warn
-
ing messages to alert you of conditions that could
cause an inaccurate signal generator output. Status
messages to remind you of current menu selections
or settings are also generated.
Table 6-2 is a summary list of possible error mes
-
sages that can be displayed during normal opera
-
tions. Table 6-3 is a summary list of possible
warning/status messages.
6-8 MG369XB OM
Error and Warning/Status Messages Operator Maintenance
Error Message Description
ERROR
Displayed on the frequency mode title bar when the out
-
put frequency is not phase-locked, an invalid frequency
parameter entry causes a frequency range error, or an
invalid pulse parameter entry causes a pulse modulation
error.
LOCK ERROR
Displayed in the frequency parameters area when the
output frequency is not phase-locked. The frequency ac-
curacy and stability of the RF output is greatly reduced.
This is normally caused by an internal component failure.
Run self-test to verify the malfunction.
RANGE
Displayed in the frequency parameters area when the dF
value entered results in a sweep outside the range of the
instrument, the step size value entered is greater than
the sweep range, the number of steps entered results in
a step size of less than 0.01 Hz or 0.01 dB (0.001 mV in
linear mode), the step sweep time entered divided by the
number of steps entered results in a dwell time of
<10 ms, or when the analog sweep start frequency en
-
tered is greater than the stop frequency. Entering valid
values usually clears the error.
SLAVE
Displayed in the frequency parameters area of the Mas
-
ter MG369XB during master-slave operation in VNA
mode when the slave frequency offset value entered re
-
sults in a CW frequency or frequency sweep outside the
range of the slave MG369XB. Entering a valid offset
value clears the error.
ERR
Displayed in the modulation status area when one or
more of the following error conditions occurs:
(1) The external AM modulating signal exceeds the input
voltage range. In addition, the message “Reduce AM In
-
put Level” appears at the bottom of the AM status dis
-
play. (Continued on next page)
Table 6-2. Possible Error Messages during Normal Operation (1 of 2)