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Author Topic: TS-570 and Digital  (Read 1844 times)
N3ZKP
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Posts: 2008




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« on: July 22, 2005, 05:27:23 AM »

I learned last night (the hard way, naturally!) that if you use the ACC2 port on the 570 for audio I/O, you MUST key the rig via Pin 9  on the ACC2 connector. Keying by either the mike connector or Pin 13 on ACC2 will not work. Nowhere is this mentioned in the manual.

An added benefit of keying via Pin 9 is the mike connector audio line is muted when you key.

The whole purpose of using the ACC2 port fo digital is the 570 gives you I/O level control independant of the speaker and mike levels - no playing with levels when switching between voice and digital.

Lon
Baltimore
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W2AEW
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Posts: 700


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« Reply #1 on: July 24, 2005, 05:51:27 PM »

You are right, the table on page 62 doesn't really explicitly state that keying the rig from pin 13 (or the MIC PTT) will result in MIC audio being used (and muting of PKD signal).  But, it does state that the MIC audio is muted when pin 9 is used, so it kind of implies the other case.  The manual could be clearer about it though.  

My TS-870S manual has basically the same wording, and behaves the same way.
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N3ZKP
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Posts: 2008




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« Reply #2 on: July 25, 2005, 07:57:47 AM »

Alan,

Yea, you really have to read what's NOT printed in the manual. Smiley

Lon
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