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rd2(at)evenlink.com
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 Posted: Mon Nov 12, 2007 8:26 am Post subject: unswitched input - PM1000II |
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Has anyone tried to use the input for aircraft radio of PS Enginerring
PM1000II intercom (pins 17 and 4) as an unswitched/unmuted input for
warnings etc.?
If yes, what is the recommended resistor in line of the signal to the
intercom?
(PS Engineering is reluctant to give advice on the subject.)
Rumen
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n801bh(at)NetZero.com
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| Posted: Mon Nov 12, 2007 3:39 pm Post subject: unswitched input - PM1000II |
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On my KMD150 King MFD there is a tone that sounds. I wired it into my PM100II and it worked perfectly. It has been a few years since I did my panel and I don't remember what pin I connected it to but the tone will muffle when I speak into the mic so it is not the primary incoming circuit. I will look through my notes to see if I can narrow it down if you wish.
do not archive
Ben Haas
N801BH
www.haaspowerair.com
-- rd2(at)evenlink.com wrote:
--> AeroElectric-List message posted by: rd2(at)evenlink.com
Has anyone tried to use the input for aircraft radio of PS Enginerring
PM1000II intercom (pins 17 and 4) as an unswitched/unmuted input for
warnings etc.?
If yes, what is the recommended resistor in line of the signal to the
intercom?
(PS Engineering is reluctant to give advice on the subject.)
Rumen======================== -- Please Support Your Lists This M ================================================================================================bsp; - MATRONICS WEB FORU=======================================================
[quote][b]
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rd2(at)evenlink.com
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| Posted: Tue Nov 13, 2007 4:07 am Post subject: unswitched input - PM1000II |
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You have probably used a soft-muted input, like pins 20 and 7 or 16 and 3
(if you have both these options; at least one would be available) on the
Sub-D DB 25. I was looking for a unswitched input - that is not soft-muted,
to use for audio warnings. Normally this is done using the audio panel's
unswitched input, regardless of the intercom, but in this case access to
the intercom is easier 
Rumen
do not archive
_____________________Original message __________________________
(received from n801bh(at)netzero.com; Date: 11:35 PM
11/12/2007 GMT)
________________________________________________________________
On my KMD150 King MFD there is a tone that sounds. I wired it into my
PM100II and it worked perfectly. It has been a few years since I did my
panel and I don't remember what pin I connected it to but the tone will
muffle when I speak into the mic so it is not the primary incoming
circuit. I will look through my notes to see if I can narrow it down if you
wish.
do not archive
Ben Haas
N801BH
www.haaspowerair.com
-- rd2(at)evenlink.com wrote:
Has anyone tried to use the input for aircraft radio of PS Enginerring
PM1000II intercom (pins 17 and 4) as an unswitched/unmuted input for
warnings etc.?
If yes, what is the recommended resistor in line of the signal to the
intercom?
(PS Engineering is reluctant to give advice on the subject.)
Rumen
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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