ANALOG MODULATION MODE
3-71
Carrier phase adjustment
Pressing
[Carrier Phase]
displays the
Carrier Phase Control Menu
. To advance or retard the
carrier phase (with respect to its current phase) in steps of
π
/128 radians, approximately 1.4
°
,
rotate the control knob clockwise to advance the phase and counter-clockwise to retard the phase.
Selection of frequency standard
Pressing
[Int/Ext Standard]
changes the menu to display the
Frequency Standard
Selection Menu
which controls the internal/external frequency standard facilities. The signal generator can be set
to operate from an external standard or from the internal standard with or without the standard
being provided on the rear panel FREQ STD IN/OUT connector.
The menu has the following options:
Output DISABLED
Internal standard disabled at the FREQ STD IN/OUT
connector.
1 MHz Int. Std.
5 MHz Int. Std.
10 MHz Int. Std.
Internal standard with an output at the selected
frequency on the FREQ STD IN/OUT connector.
1 MHz Ext. Std.
5 MHz Ext. Std.
10 MHz Ext. Std.
Accepts an external frequency standard at the selected
frequency on the FREQ STD IN/OUT connector.
These settings are saved in non-volatile memory to ensure that the settings are recalled when
power to the instrument is restored.