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Interfacing Gemini with Your Computer
The DIP Switches
Figure 4-2.
The dual-in-line package (DIP) switch is a device that controls the
printer's "patterns of thought:' Several functions can be selected
by appropriately setting the two DIP switches located on the
control logic board (Figure 4-2). DIP switch 2 can be set at the rear
of the printer as shown in Figure 4-3. It is necessary to remove the
upper casing to set DIP switch 1. Please refer to Chapter 10 for
instructions to remove the upper case. A status chart has been
provided on the back panel of this manual to assist you in
remembering the setting of each DIP switch in your printer.
DIP switches on control logic board.
Note: Always set the DI P switches with the pri nter's power tu rned
"oft:'
Each pin in the DIP switch serves a distinct and separate
control function. The functions of DIP switch 1 are defined in
Figure 4-4. Figure 4-5 illustrates DIP switch settings for selection
of the various character sets. Figure 4-6 illustrates the settings
of DIP switch 1-6, 1-7, and 1-8 to choose international character
sets. Figure 4-7 contains the DIP switch 2 functions.
49
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