Figure 39 Display Setup Parameters Screen - Emerson Liebert Challenger 3000 User Manual

Figure 39 Display setup parameters screen

DISPLAY SETUP
U401
U402
U403
U404
U405
U406
U407
U408
U409
U410
U411
Language—This parameter sets the language on the display. When this parameter is changed all
menu parameters will be converted to the selected language.
Date—This parameter sets the internal date of the unit. If this unit is connected to other units with
the unit to unit network connection. All units will reflect the last date set.
Time—This parameter sets the internal time of the unit. If this unit is connected to other units with
the unit to unit network connection. All units will reflect the last time set.
Temperature Indication—This parameter selects the actual and set point temperature indication.
Selecting C will set the unit to display in Celsius and F will set the unit to display in Fahrenheit.
Display Contrast—This parameter changes the contrast of the display to adjust for different view-
ing angles, low light and bright light conditions. As the display ages the contrast may need to be
adjusted for better viewing clarity.
Buzzer Frequency—This parameter changes the audible noise frequency of the built in buzzer.
When adjusting the buzzer frequency the buzzer will sound allowing you to select a frequency that is
easily detected when an alarm occurs.
Backlite Off After X Hours—This parameter controls the length of time that the backlite remains
active when the display is unused. When the buttons on the front display have not been pressed for
the time selected in this parameter the backlite will turn off, extending the life of the display and sav-
ing energy.
Display Shows—This parameter selects if the main display shows the temperature and humidity
actual values only setpoint values only or both actual and set point.
Display Colors—This parameter selects the background color. Inverted sets the display to show
white font with blue background and Normal sets a white background with blue font.
Date Format—Date format changes the month, day and year arrangement shown on the front dis-
play and event time stamps.
Language
Date
Time
Temperature Indication
Display Contrast
Buzzer Frequency
Backlite Off after
Screen
Display Shows
Display Colors
Date Format
for next/previous unit
then to change parameter
Graphical Comma
ACT+SET
mm/dd/yyy
to select parameter
to confirm
58
User Menu Parameters
SYSTEM
ENGLISH
7/3/2010
14:01:49
°F
45
Off/ 0
12h
Normal