Boonton 4500B Peak Power Meter - Manual (Page 82)

Boonton 4500B RF Peak Power Analyzer
Operation 4-10
Figure 4-8. System Keys
4.7 System Keys
The system keys are located at the top of the front panel control area. See Figure 4-8.
They control functions related to the operating mode, display mode, hard copy output
and configuration.
Prev Pressing Prev returns control to the next higher menu in the menu structure (Figure 4-2), unless
the last menu displayed was from a different branch. In that case, pressing Prev returns to the last
menu displayed.
Esc Pressing Esc halts a process, clears reports and displays the Top Level Menu.
Text
Pressing Text (Graph) toggles the display between the graphic mode and a text screen summarizing results
(Graph) of automatic signal measurements. The text display is shown in Figure 4-9.
Help
Pressing the Help key enables the Help mode and displays the Help screen associated with the current
menu. See Figure 4-10. In the Help mode the instrument continues to operate and all controls remain
active. The Help key operates as a toggle; press it to deactivate the Help mode and return to the graphic
display. You may also press the Esc key to deactivate the Help mode. When a red error message is
displayed, pressing HELP will provide more detailed information about the error.