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Portable Network Graphic  |  1993-02-23  |  4.2 KB  |  512x342  |  1-bit (2 colors)
   ocr: LOOPBACK TEST Connect the modem's audio output (TxA)t to the input (RxA). Plug the modem into the Mac's modem port. Type a string of characters into the message box and hit RETURN. The string of characters you type into the message PTT box should appear in the text field above. If some characters appear, but are not vhat you typed, then RxD- svap the vires to the IXD+ and TxD- pads on the RxD+C PC board and try again. Hsko Hskiso a GND % TxD+ TxD- -S