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The display only shows three items at a time: all the items can be scrolled by the UP and DOWN arrow keys.
Any item can be chosen by selecting it and pressing the RET key. Menu entries with an arrow on the right
open sub-menus when chosen. Thus there is a hierarchical structure as below. To go back from a sub-menu
to the previous menu, press the ESC key. If the ESC key is pressed in the main menu, the RF powers screen
is accessed.
RF Powers
This is the main screen showing the RF powers of the amplifier: forward power, reflected
power, unbalances, if any. For forward power a level bar is displayed. See an example in
Figure 1.
Power Supply
This screen shows all the signals coming from two power supply. To check the next
(previous) power supply press the UP (DOWN) key. For each power supply, the voltage,
the absorbed current and the status (ON or OFF) are shown.
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Hierarchical menu structure
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