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Chapter 1 11
Signal Generator Overview
Front Panel
10V
p
. The nominal input impedance is 50Ω. On signal generators with Option 1EM, this input is relocated to
the rear panel.
26. Arrows
These up and down arrow hardkeys are used to increase or decrease a numeric value, step through displayed
lists, or to select items in a row of a displayed list. Individual digits or characters may be highlighted using
the left and right arrow hardkeys. Once an individual digit or character is highlighted, its value can be
changed using the up and down arrow hardkeys.
27. Hold
Pressing this hardkey blanks the softkey label area and text areas on the display. Softkeys, arrow hardkeys,
the knob, the numeric keypad, and the
Incr Set hardkey have no effect once this hardkey is pressed.
28. Return
Pressing this hardkey will return the signal generator one level back from its current softkey menu level to
the previous softkey menu level. It enables you to step back through the menus until you reach the first menu
you selected.
29. Display Contrast Decrease
Pressing this hardkey causes the display background to darken.
30. Display Contrast Increase
Pressing this hardkey causes the display background to lighten.
31. Local
Pressing this hardkey deactivates remote operation and returns the signal generator to front panel control.
32. Preset
Pressing this hardkey sets the signal generator to a known state (factory or user-defined).