Frequency Sweep Menu - Ametek 7280 Instruction Manual

Wide bandwidth dsp lock-in amplifier
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Chapter 5, FRONT PANEL OPERATION
figure 5-12. Note that as with the main menu structure, shown in figure 5-1, it is
possible to return to the Main Display from any menu by pressing the Main Display
key, but this has been omitted from figure 5-12 for the sake of clarity.
Figure 5-12, Oscillator Menu Structure
Changes to the setting of the controls on the Oscillator menu can be made by using
the adjacent
keys.
OSC FREQUENCY
This control, which duplicates the Main Display OSC FREQUENCY control, allows the
instrument's internal oscillator frequency to be set to any value between 0.5 Hz and
2.0 MHz with a 1 mHz resolution. Adjustment is faster using the Keypad or Active
Cursor controls - see section 4.1.04.
OSC AMPLITUDE
This control, which duplicates the Main Display OSC AMPLITUDE control, may be set
to any value between 1 mV and 1 V rms in 1 mV increments. Adjustment is faster
using the Keypad or Active Cursor controls - see section 4.1.04.
The Oscillator menu is also used to access two sub-menus, as follows:-

5.3.10 Frequency Sweep Menu

When the Oscillator menu is displayed, pressing a key adjacent to the Setup
frequency sweep item accesses the Frequency Sweep menu, which is shown in figure
5-13.
5-17

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