
AS56 and AS56
Plus
User Manual
2-1
Chapter
2 Front Panel Overview
Introduction
The front panel LCD screen displays two rows of sixteen characters each.
Menu parameters are presented individually. The buttons to the right of
the LCD screen scroll data vertically through the screen, displaying up to
two parameters at a time. There are also seven LED indicators that are
used to display the status of various Access Sys tem56 conditions.
Figure 2-1 Front Panel: Access System 56 Plus (AS56
Plus
) T1
CSU/DSU
Figure 2-2 Front Panel: Access System 56 (AS56) CSU/DSU
UP
and
DOWN
arrow buttons — to move to a field
SELECT
button — to choose a parameter or activate a function
END
button — to return to next higher menu grouping
LCD screen
LED indicators
LED
indicators
UP
and
DOWN
arrow buttons — to move to a field
SELECT
button — to choose a parameter or activate a function
END
button — to return to next higher menu groupin
LCD screen
LED indicators
LED
indicators
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