Operator`s manual

3.5.1 Three-Character LED Display
The three-character/three-dot LED display (see Figure 3–8) is multifunc-
tional and indicates the following.
• Printer modes, for example:
[ O n L] ON LINE
[ O F L] OFF LINE
[Fct]FUNCTION
• Configuration Menu settings, such as top/bottom margins, right/left
margins, Characters Per Inch (CPI), Lines Per Inch (LPI) print
spacing, that are used when changing the printer configuration.
• Fault codes (see Table 5-2 for a listing of the diagnostic codes) that
are used with the printer self-test at power-up, after printing the test
pattern, and during printer operation.
The three-dot indicators in the three-character LED display are display
illuminated during self-tests. When illuminated, the dots indicate:
Left dot FCT MODE—Printer is in Function Selection state. Press
(9) FCT key to enter. Display reads [.F n c].
Middle dot FORM LOADED - Electronic Vertical Format Unit (EVFU)
form table has been downline loaded. See the LG31 Printer
User’s Guide.
Right dot READY—Illuminated by the signal CTS received from the
host computer (see Chapter 4, Section 4.2).
Refer to Appendix A for a complete listing of display readouts.
3.5.2 Audio Alarm
The audio alarm (see Figure 3–8) located at the top of the Inner Control
Panel momentarily emits a sound at power-up, when a key is pressed,
when a <BEL> code is received in on-line mode, and under any alarm
condition, as follows:
• When a fault is detected (includes EVFU loading fault).
• When Paper Low condition is detected.
3–10 CONTROLS AND INDICATORS