5
LCD/VFD DATA DISPLAY SETUP
This section applies only to A-sized mainframes with multichannel LCD or VFD
data-display capability, either local or remote
(see Appendix A of this booklet for
details).* These mainframes can store up to 40 separate DATA DISPLAY PAGE
FORMATS (or “DISPLAY PAGES”). Each LCD display page can be dedicated to up
to 12 selected data channels,
including system TIME and DATE. Each VFD dis-
play page can be dedicated to up to 12 selected data channels,
in addition to sys-
tem TIME and DATE, which are always displayed when the VFD display’s two-line
“billboard” is not being used for some other purpose.
In this section, you will learn how to
• define a “logo” for the display billboard, using the
LOGO (LGO) command
•call a specific page to display, using the
PAGE (PAG) command or key
• specify a channel “list” for a given display page, using the
PAGE LIST (PGL)
command
• specify individual channel legends, using the
LEGEND (LEG) command
a. Turn ON your mainframe’s EEPROM Write Protect Switch by placing it in the
upward position. An alternative method for enabling the EEPROM Write Pro-
tect function—especially useful when you don’t want to have to remove the
front bezel to access the switch—is to type a command of
BIT 999 = 1 [CR]
on the keyboard. Note that every keyboard-entered command must be termi-
A - 7
LCD/VFD DATA DISPLAY SETUP
“O
NTHE
A
IR
” (A-S
IZED
)
* All currently manufactured “A-sized” mainframe models with integral multichannel data display
use a vacuum fluorescent display (VFD).
ALSO NOTE: For a mainframe with multichannel LCD or VFD display (local or remote), you
must set the Display (DIS) setup parameter to “2” (if it is not already set to this value) by com-
manding
DIS = 2 [CR].
If the mainframe has no display or if it has only a two-line “billboard” display (local or remote),
the DIS value should be “1.”
.
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