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5. Be sure the power is off. Insert the Grappler card into
slot #1 (or any other slot except zero) with a gentle rocking
motion until fully seated.
6. Pass the cable through one of the vertical openings in the
back of the Apple case.
7. Replace the Apple’s cover. Slide the front edge of the cover
into place, and then press down on the rear corners until
they pop into place.
8. Connect the Grappler cable to the printer.
TEXT FEATURES
Before sending a character to the printer, the Grappler will
check the SELECT and PAPER EMPTY Status lines. If the printer is
not “online’, or is out of paper, a warning will be printed on
the screen and the Apple will beep. If this occurs check the
following:
1. The cable is firmly and properly attached to the printer.
2. The cable is firmly seated on the Grappler interface card.
3. The printer is on.
4. The printer is on-line.
5. There is paper in the printer. Note: The Grappler will
not check for paper on Epson printers.
6. The printer is set up for parallel operation. (Check
Appendix B of this manual for proper dip switch settings.)
Once the error condition has been corrected you may continue by
pressing the return key.
The Grappler interface has many text features, including
adjustable margins, line length, page length, etc. All commands
affecting these features are listed on the following pages with
a description of their function. Each one is preceded by a
control character which is CTRL—I from BASIC or CTRL-Y from
Pascal or CP/M, unless specifically changed by the user's
program.
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