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Instrument Warning/Status Areas
These areas show instrument warning and status
messages. For example, the message COLD indi
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cates that the 100 MHz crystal oven has not yet
reached a stable operating temperature.
Menu Labels
Each of the menu soft-keys, located at the bottom
and right edge of the display, has a corresponding
menu label area on the display. These labels identify
the function of the soft-keys for the current menu
display. In most cases, when a menu soft-key is
pressed, its menu label changes appearance to visu
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ally show the On/Off condition.
Window Display
A window display that overlays a portion of the cur
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rent menu display is used to:
q
Show the parameter being edited
q
Display selection lists of preset frequencies
power levels, markers, etc.
q
Show the system configuration choices and
current selections
q
Show self-test error messages
A typical window display is shown to the left.
Menu Keys As shown in Figure 3-2 on page 3-8, there are two
types of menu keys that affect the data dis
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play—main menu hard-keys and menu soft-keys.
The main menu hard-keys are positioned to the far
right of the data display and do not change their
function. The menu soft-keys are located next to the
data display at the bottom and to the right of the
display and change their function depending on the
mode of operation and menu selection.
3-10 MG369XB OM
Data Display Area Local (Front Panel) Operation