Control Panel Operation; Normal Mode; Command Mode; Setting Form Length - Texas Instruments 880 User Manual

Section 3
Control Panel Operation
This section describes how to use the control
panel to select printer features. The Model 880
operates in four modes to allow manual selection
of printer features.
• Normal mode - for normal operation.
•
•
•
Command mode - for manual setting of
form length and vertical tabs.
Menu mode - for printing the three fol-
lowing reports and menus:
- Form Report and Menu - list fonts,
character and line pitches, margins,
form length, perforation-skip choices,
and allow for new selections.
- Configuration Report and Menu - list
host-printer interfaces, language ver-
sions, baud rate and parity selections,
miscellaneous configuration choices,
and allow for new selections.
- Character Set Report and Menu - list
character set designations and invoca-
tions, and allow for new selections.
Test mode - for troubleshooting printer
problems (see Section 4).
3.1 NORMAL MODE
The six keys accessible through the window in the
right side of the printhead door (Figure 3-1) per-
form the following functions:
•
•
Aligning the form in 0.35 mm (1172-inch)
steps
Moving the paper to the first line of the
next form
• Moving the form to the next line
•
Resetting printer errors
•
Setting the printer on line and off line
3.2
COMMAND MODE
To put the printer in the command mode, lift the
printhead door and press the Command key. The
Normal indicator turns off, and the Command
indicator turns on. The following functions can be
performed from the control panel (Figure 5-2)
while in command mode:
• Setting form length
• Setting the top of form
•
•
Setting and clearing vertical tabs
Advancing the form by lines to position
new tabs
• Advancing the form to next vertical tab
•
•
•
Printing the contents of receive buffer
Clearing the contents of receive buffer
Entering the menu mode and printing the
form report
3-1