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- ICCIIV.7
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- The computer interface allows you to do such things as:
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- - Set and read the frequency and modulation mode
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- - Set VFO A, VFO B, or memory mode
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- - Select memory channel
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- - Store displayed frequency into memory
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- - Transfer displayed memory-mode frequency to a VFO
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- Even without a computer, you can run a cable between
- the remote control jacks of two rigs, and whenever the fre-
- quency or modulation mode of either is changed, the other
- will track it if possible. (If the rigs have incompatible
- frequency coverages, like the 735 and R7000, funny things
- can happen.)
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- The interface is bi-directional, using TTL levels on a
- single line for sending and receiving serial ASCII data.
- You may need an appropriate hardware interface to convert,
- for example, RS232 to TTL. (I understand that Commodore
- computers have TTL inputs and outputs so that no interface
- is needed with them.) I used the Motorola MC1488 and MC1489
- chips powered by two 9-volt batteries to interface to my
- RS232 line. Appendix 1 lists the pinouts used for this
- interface. If you'd rather buy something, ICOM sells the
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- CONTINUED IN FILE ICCIIV.2 - REQUEST FROM SERVER
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- Downloaded From P-80 International Information Systems 304-744-2253
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