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23
b) The S5105D/E/F microwave analyzer can also output the internal reference as follows: Press
[Ref Output Off/On] to enable or disable the reference output function.
13 Set reference output
The S5105D/E/F microwave analyzer can provide external device with a reference output of 10MHz
via also the “10MHz input/output” port on the cover plate, with the steps shown below:
a) Press [System]→[Page Down] to set the frequency reference, the reference output function
disabled by default.
b)Press [Ref Output Off/On] again to enable or disable the reference output function.
14 Zero frequency Calibration
The S5105D/E/F microwave analyzer is provided with the zero frequency calibration program in
the spectrum analyzer and power monitoring modes, to facilitate user’s zero calibration if necessary.
Follow the steps below to conduct the zero calibration:
a) Press
【
System
】
→[Page Down]→[Zero Cal] to start zero calibration automatically. After that, the
microwave analyzer saves the results to the internal memory automatically;
b) Press [Return] to close the zero frequency calibration window.
NOTE:
In case of any signal amplitude with frequency of lower than 5MHz to be
measured accurately, pay attention to the value of the zero frequency
signal. If it is
＞
-20dBm, zero frequency calibration must be conducted
again, so as to prevent any strong zero frequency signal from causing
gain compression.
1
Reset status
Section 4 Resetting
After startup or pressing
【
Reset
】
, the microwave analyzer will return to the operating mode before
shutdown or resetting, which is the default status in such operating mode and called the factory status.
Main settings for the factory status of the S5105D/E/F microwave analyzer are fixed after resetting of
each operating mode.
2
Reset the microwave analyzer
After startup or pressing
【
Reset
】
, the microwave analyzer restarts the system and enters the default
status. The menu provides three options at this time:
Previous status
Default status
State file
Press [Last State] to set the microwave analyzer to the status before resetting.
Press [Default State] to keep the microwave analyzer in the default reset status.
Press [State File] to load the parameter status from the state file.
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