C h apter 4 O perator C on trol A n d D isplay P an el 31
L iebert E X S 30 kV A A n d 4 0 kV A U P S U ser M an ual
Figure 4 -2 LC D screen
T he LC D includes a user-friendly interface and a 320 × 24 0 dot m atrix im ag e display. T hanks to the
user-friendly, m enu-oriented LC D it is possible to brow se easily throug h the U P S input, output, load and
battery param eters, obtain inform ation about the current U P S status and alarm m essages, as w ell as
perform ing functional setting and control operations.
T he LC D also stores historical alarm records that can be retrieved for reference and diag no sis.
4 .1.4
L C D M en u S tru ctu re
Figure 4 -3 LC D m en u structure
4 .2
L C D S creen T yp es
4 .2.1
S tart-u p S creen
W hen the U P S is started up it perform s a system self-te st, during w hich the S tart-up S creen is displayed for
approxim ately 10 seconds, as show n in F ig ure 4-4 .
Figure 4 -4 Start-u p screen