Audio Generator and Analyzer (Option CMU-B41) CMU
1100.4903.12 4.78 E-10
Analyzer 1
Analyzer 1 selects the primary audio circuit where the audio signals are applied to
the connectors AF OUT (output, AF generator signal) and AF IN (input) on the
CMU front panel.
Remote control:
The Analyzer 1 application is selected by the keyword [:PRIMary] in the 3
r
level of the analyzer commands, e.g. INITiate:AFANalyzer[:PRIMary].
Analyzer 2
Analyzer 2 selects the secondary audio circuit where the audio signals are applied
to the connectors AUX 2 (output, AF generator signal) and AUX 1 (input) on the
CMU front panel.
Remote control:
The Analyzer 2 application is selected by the keyword :SECondary in the 3
r
level
of the analyzer commands, e.g. INITiate:AFANalyzer:SECondary.
Analyzer
Level
The Analyzer Level softkey controls the level in the AF input signal path.
AF Max.
Level
The AF Max. Level hotkey sets the maximum expected AF input level. Levels ex-
ceeding this value can not be measured.
Remote control
[SENSe:]AFLEVel:MAXimum <Level>
Error messages If the value set for Manual Level is too high or too low, a window with the error
message "<Max_Level> is out of range. <permissible max. value> is limit." and
three fields will appear:
Accept The permissible max. value is accepted as maximum input level.
Re-edit The Manual Level is entered once again.
Cancel The last valid input value is maintained.
AF
Mode
The AF Mode hotkey determines how the input level is defined.
Manual Manual input of maximum input level via Manual Level (in mV).
Auto Automatic setting of maximum input level (autoranging) accord-
ing to average power of applied AF signal (plus an appropriate
overload margin).
Note1: A maximum input level can be entered even if automatic level setting
(autoranging) is selected. It serves as a start value for the autoranging
algorithm and is important to ensure safe switchover to manual set-
ting.
Note2: The AF Max. Level and AF Mode settings supersede the correspond-
ing settings in the Multitone menu (Analyzer 1/2); see hotkeys AF
Max. Level on p. 4.86 and AF Mode on p. 4.87.
Remote control
[SENSE:]AFLevel:MODE MANual | AUTomatic
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