Alpha Technologies VMX Series - Manual (Page 31)

31 017-940-B0-001, Rev. A
5.0 Operation, continued
5.2 Smart Display
All operational functions, system testing, setup menus, and alarms are available via the
illuminated display panel on the front of the VMX Power Supply. Display functions are
accessible by pressing any of the four keys: ESCAPE, UP, DOWN, and ENTER. Descriptions
of key functions are as follows:
ESCAPE:
ESCAPE offers the following features:
Move up one level in the menu tree.
Allow the operator to leave the EDIT mode without
saving the changes made to the selected menu
item.
UP:
UP serves two primary functions:
• To scroll up in a branch of the menu tree.
• To increase a parameter (or value) while in the EDIT mode.
DOWN:
DOWN serves two primary functions:
• To scroll down in a branch of the menu tree.
• To decrease a parameter (or value) while in the EDIT mode.
ENTER:
ENTER provides the following functions:
• Displays the next lower level in the menu tree.
• In the EDIT mode, ENTER accepts the new value into memory.
• Depressing ENTER for two seconds or longer initiates Display Test mode. Display Test
mode switches all LED and LCD pixels (dots) on for several seconds. The display then
shows the Engineering Diagnostics screen. Press ESC to return to the Main Menu.
Self-test: and
The VMX Power Supply can manually be placed in a self-test mode by pressing DOWN and
ENTER together:
• Press and hold DOWN and ENTER simultaneously for about three seconds. A self-test
initiates and runs between 5 to 180 minutes (set in the setup menu).
• To cancel a self-test in progress, simultaneously press and hold DOWN and ENTER for
about three seconds.
Fig. 5-2, Smart Display
OUTPUT FREQ BAT IN
90V 15A 50HZ 36V 225