Tandy DCM-7 Operation Manual page 15

Chapter 1
The DCM-7 provides automatic and manual operations in both originate and
answer modes. When opened for programming by the wake-up
oi
attention
code sequence, it will automatically synchronize the speed rate, word length,
parity and stop-bit numbers (communications protocol) of your computer·
system.
Helpful Tip:
Whe,n you use your DCM-:-7 for the first time or when you seem to be getting
. garbled data, use the self-test mode to help you find the cause of the problem.
Refer to the section on self-test in Appendix A, Tandy protocol reference
or in Appendix B, Hayes protocol reference.
If you plan to use the PCM-7 in Tandy protocol mode only, you may skip
Chapter 3 and Appendix B. However, if you intend to use it in Hayes· pro-
tocol mode only, you may disregard Chapter 2, and Appendices A and D.
Refer also to the operation mariual which accompanies your communica"'."
tions software package.
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