152 Keysight M8000 Series of BER Test Solutions User Guide
4 User Interface - M8020A Display Views
Non-Configurable Parameters
The Table 46 on page -152 lists the M8040A parameters which are
non-configurable (read-only/gray out/disabled) by default or become
non-configurable while configuring other dependent parameters.
Table 46 M8040A Non-Configurable Parameters
Functional
block name
Parameters Disabled parameters Parameters that are
non-configurable by default
Parameters that are non-configurable
due to settings of other parameters
Clk Gen Synthesizer
(Select Source as
Direct)
• Frequency
• Period
• In the Direct source mode,
Frequency and Period will be in
disabled state.
Synthesizer
(Select Source as
Clock Multiplier)
• Frequency
• Period
• In the Clock Multiplier mode,
Frequency and Period will be in
disabled state.
SSC • Shape • The SSC Shape parameters
(Open, Import, Export and Reset
to Default) are disabled by
default. These parameters are
enabled when SSC Profile is
selected as Arbitrary.
Data Out Line Coding
(Select PAM)
• Symbol 0 Level
• Symbol 3 Level
• In the PAM4 Line Coding, Symbol
0 Level and Symbol 3 Level are in
disabled state by default.
Amplifier • Termination Voltage
• Coupling
• Termination Model
• In the DC Unbalanced mode, all
these three parameters become
disabled on turning ON the output
state.
Amplifier • Termination Voltage
• Coupling
• Termination Model
• In the DC Balanced mode, on
turning ON the output state,
Coupling and Termination Model
are disabled and Termination
Voltage is not available for user.
Amplifier • High
• Low
• Offset
• Termination Voltage
• Termination Model
• On selecting Coupling as AC==>
High, Low and offset parameters
are disabled.
Also, Termination Voltage and
Termination Model are unavailable
in AC coupling.
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