62 MDS 4790/9790 Series I/O Guide MDS 05-3438A01, Rev. F
Programming and Control Buttons
The programming and control buttons are located at the right side of the
front panel. Use these butons to navigate through the front panel screens
and, when the front panel display is in configuration mode, to make
changes to radio operating parameters. Figure 30 shows a detailed view
of these controls.
Invisible place holder
Figure 30. Programming and Control Buttons
• ENTER—When the start-up screen is shown, pressing this but-
ton displays the Menu Directory screen. Otherwise, the ENTER
button has no effect in safe mode. Its use in radio configuration
is described in “Use of Control Buttons in Configuration Mode”
on Page 63.
• ESCAPE—Shows the previous screen in the menu hierarchy
(start-up screen or menu directory). Its use in radio configura-
tion is described in “Use of Control Buttons in Configuration
Mode” on Page 63.
• Up/down arrow buttons ( )—On the start-up screen,
pressing the up or down arrow button shows the menu directory.
On the menu directory screen (Figure 31), the up and down
arrow buttons cycle a selection arrow (->) through the main
menu items. On the individual menu screens, in safe mode,
pressing the up or down arrow buttons shows the menu direc-
tory.
• Left/right arrow buttons ( )—The left and right arrow
buttons cycle the display through the selected menu’s screens.
Navigating Through the Front Panel Screens
Figure 29 on Page 61 shows the menu hierarchy, as well as the button
presses used to display the start-up and menu directory screens (navigate
between individual screens with the right or left arrow buttons).
ENTER
ESCAPE
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