UNLEVELED
is Displayed
Trouble Description: This message is displayed to indicate that the
RF output is unleveled.
Step 1
Check that the output power does not exceed the specified
leveled-power rating and that the
RF OUTPUT
connector is
terminated into a 50
Ω
load.
Reduce the power level to not exceed the specified leveled-
power rating or terminate the RF OUTPUT connector
with a 50
Ω
load.
If error message remains displayed, call a service techni-
cian.
RANGE
is Displayed
Trouble Description: This message is displayed in the frequency pa-
rameters area to indicate that (1) the
∆
F value entered results in a
sweep outside the range of the instrument, (2) the step size value en-
tered is greater than the sweep range, or (3) the number of steps en-
tered results in a step size of less than 1 kHz (0.1 Hz with Option 11) or
0.1 dB.
Step 1
Check that (1) the dF value entered does not try to set the
frequency sweep outside the range of the 680XXB, (2) the
step size entered is not greater than F2 minus F1, or (3) the
number of steps entered does not result in a step size that is
smaller than the resolution of the instrument.
Enter a valid dF value, step size, or number of steps.
If the error message remains displayed, call a service tech-
nician.
Table 6-4.
Troubleshooting (3 of 3)
OPERATOR
MAINTENANCE
TROUBLESHOOTING
6-12
680XXB OM
Summary of Contents for 680 B Series
Page 5: ......
Page 11: ...Figure 1 1 Series 680XXB Synthesized CW Generator...
