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Author Topic: IC-7000: 2 mic's plugged-in at same time (back of radio + bottom of panel)?  (Read 668 times)
VK5CQ
Member

Posts: 105




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« on: March 23, 2013, 06:12:45 PM »

So, the IC-7000 has 2 mic-jacks (per Subj).

Now, so does, eg, some VHF marine gear, allowing one
to reply to a call or make one from either of 2 places,
on a boat. (Here, both local & remote mics are normally
left connected at the same time.)
q
Of course, an IC-7000 can also be used on a boat, so
it can be asked whether - on an IC-7000 - BOTH of
its mic-jack's can have compatible mic's plugged-in,
or must one be unplugged - as might be OK in a car,
where the radio is under a seat or in the boot, rather
than in a remote operating position, as on a boat.

Q-1: Can -both- mic's be left connected to an IC-7000,
at the same time?

Q-2a: If so, must these 2 mic's be the -same- model?

Q-2b: What happens if the PTT's of -both- mic's are
pressed at the -same- time? (Eg, is it "first-pressed
wins the chance to be heard" or are both mic's heard,
etc.?)

How do you know? Have I missed something in ICOM's
manuals... or have you tried these experimentally? :-)

Thanks & 73,

Chuck, VK5CQ
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VA7CPC
Member

Posts: 2356




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« Reply #1 on: March 23, 2013, 09:08:38 PM »

Quote
How do you know? Have I missed something in ICOM's
manuals... or have you tried these experimentally? :-)

Yes, you did.  IC-7000 manual, page 3:

!3MICROPHONE CONNECTOR (p. 10)
Modular-type microphone connector—accepts the
supplied microphone (HM-151).
•The optional OPC-589 can be used to connect an 8-pin
microphone such as the SM-20, if desired.
•A microphone connector is also available on the rear
panel. DO NOT connect 2 microphones simultaneously.



This kind of prohibition, you ignore at your own peril.

.             Charles
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WN2C
Member

Posts: 429




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« Reply #2 on: March 24, 2013, 10:56:33 AM »

I asked on the Yahoo 7000 forum if I could use 2 mikes and was told yes, however when transmitting both mics will be hot.  So if you have one further apart like you say on a boat, be sure that the conversation at the mic not being used is ok to be sent on the air.

Rick  wn2c
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N4CR
Member

Posts: 1650




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« Reply #3 on: March 24, 2013, 06:40:55 PM »

You could look to see if the PTT switch has an unused set of NO contacts. You could wire them in series with the mic circuit to open the mic when PTT was not pressed.
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73 de N4CR, Phil

We are Coulomb of Borg. Resistance is futile. Voltage, on the other hand, has potential.
NO9E
Member

Posts: 382




Ignore
« Reply #4 on: March 25, 2013, 10:34:38 AM »

One can connect another microphone to the data jack in back. Requires a separate connector and a high-enough level. I did it when using an external speech processor because the stock compressor is mediocre.
Ignacy, NO9E
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