Maintenance Handbook

SBS-800 Series Operator & Planned Maintenance Handbook
Chapter 7: Local Control
KH-1601-2 Issue 6
Page 41 of 80
7.1.3 LCD Panel Operation
The LCD display on the front of the RDU is a backlit, two line 16 character display. Push buttons
located either side of the display allow the control of the setup menus, local control and status
monitoring.
The buttons are used in association with the information displayed in the LCD panel, for example in
the following picture:
- The top right button would select the system status information.
- The top left would select the system Control menu.
Example of RDU front panel
7.1.4 LCD Display Button Functions
The display menus and functions are controlled using the four push buttons located around the LCD
display. Adjustment & selection of the various menu functions depend on the symbol adjacent to each
button as shown below:

Select menu item to the left, usually associated with the top left button.

Select menu item to the right, usually associated with the top right button.

Go to previous level menu, usually associated with the bottom left button.

Go to next level menu, usually associated with the bottom right button.

Select the option to the right, usually associated with the bottom right button.

Select the option to the left, usually associated with the bottom left button.


Move the current cursor position to the right, usually associated with the bottom left
button.
+
Increase the current item's value.
-
Decrease the current item's value.
Top right button
Bottom right button
Top left button
Bottom left button