User Manual DDS200 Digital Demodulation System 070-9952-00

Manual OperationBasic OperationThe different functional groups of the front panel and the basic operating stepsare described in the following subsections:Overview page 2–8Display page 2–9LEDs page 2–11Soft Keys page 2–12Cursor Keys page 2–13Numeric Keypad page 2–14Selecting Settings page 2–14Editing Text and Numerals page 2–15Presetting the Unit page 2–16Hardcopy Key page 2–17Storing Device Settings page 2–17Hard Keys page 2–18OverviewAfter power on, measurement is performed with the settings that were activebefore the unit was powered off. The MEASURE menu is always shown onthe display. This menu shows the results and the test parameters relevant tothe current measurement function.The hard keys are used to change to the setting menus. This allows thedisplay and setting of all the parameters of the current measurementfunction.Special operating states are signalled via the LEDs on the front panel.The display also indicates the allocation of soft keys, depending on the menuselected.With the cursor keys, it is possible to modify text in the menus stepwise.Figures entered via the numeric keypad are confirmed with the ENT key.Press the ESC key to access the next higher menu level.Settings are selected in the setting menus via the hard keys, the soft keysand, for variable parameters, via the numeric keypad and the cursor keypad.2–8 DDS200 Digital Demodulation System User Manual