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settings are to be restored. A message will be displayed while the settings are
restored.
Deleting an Instrument Setting
Press the
Delete memory key, which will cause the Memory keys or those
memories containing settings information to appear. Press either side of the
key next to the Memory number at which the settings are to be deleted. A message
will be displayed while this happens.
If the menu is inadvertently activated, pressing the Previous Menu key returns
control to Main Menu 2 without saving or restoring any settings.
5.3.31 ADC Menu
When Main Menu 2 is displayed, pressing the ADC Menu key accesses the ADC
menu, which is shown in figure 5-39.
The ADC menu has a control to set the auxiliary ADC inputs trigger mode, an
indicator showing the effecting time per point, four displays to show the voltages at
the instrument rear-panel ADC1 to ADC4 inputs and a key to access the Curve
Buffer menu.
The control operates as follows:
ADC TRIGGER MODE
This control has the following possible settings:-
INTERNAL
A conversion is performed on ADC1, ADC2, ADC3 and ADC4 every 1 ms, with
the results being displayed on the right of the screen and being available via the
computer interfaces.
EXTERNAL
A conversion is performed on ADC1, ADC2, ADC3 and ADC4 on receipt of a
rising edge at the TTL ADC TRIG IN connector on the rear panel on the
instrument. The maximum trigger rate is 1 kHz. The results are displayed on the
right of the screen and are available via the computer interfaces.
Chapter 5, FRONT PANEL OPERATION
Figure 5-39, ADC Menu
5-49
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