The decoder on my IBM terminal outputs double digits (112233 instead of 123) to the screen. How can I correct this?
Doubling of output data on an IBM terminal indicates that the decoder is emulating the incorrect keyboard. By default, decoders are set to emulate an AT-PS/2 style PC keyboard, so the emulation settings must be changed to match those of the keyboard attached to your terminal. If your keyboard has a single row of function keys, then it is a “102 keyboard”; if there are two rows, it is a “122 keyboard.
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