[ICOM] IC7300 Smeter

Karel Matousek ok1cf at atlas.cz
Fri Jan 13 04:47:08 EST 2017


Hi,
 
you can adjust (check) the S-meter in the ADJUSTMENT mode only.
Sensitivity adjustment is done when the power of SSG is set to +34dBu (-73dBm) for S9 and +90dBu (-17dBm) for S9 + 60 dB
 
Karel OK1CF
 
 
 
______________________________________________________________
> Od: guenter <guenter at dk1ri.de>
> Komu: ICOM Reflector <icom at mailman.qth.net>
> Datum: 13.01.2017 10:11
> Předmět: Re: [ICOM] IC7300 Smeter
>
Thank you, Those are the values I want to see :)
 
 73
 
 Guenter
 
 DK1RI
 
 
 Am 12.01.2017 um 17:06 schrieb Fern Rivard:
 > I just checked this on my IC-7300 using my IFR service monitor and 
 > here's the results:
 > NO pre-amp......50 uv or -73 dbm for S9
 > Pre-amp 1 on.....80 dbm for S9
 > Pre-amp 2 on.....85 dbm for S9
 > This was all done on 14.140 mhz
 >
 >
 > -----Original Message----- From: gfiber at comcast.net
 > Sent: Wednesday, January 11, 2017 9:55 AM
 > To: ICOM Reflector
 > Subject: Re: [ICOM] IC7300 Smeter
 >
 > When I worked at Icom America, It's been 15 years since I left, most 
 > all the HF radios sensitivity met receiving specification with the 
 > preamp ON. .
 > I have no idea how the IC-7300 is specified but your last post sounds 
 > correct 50 uV for S9 sounds reasonable with the preamp on.
 > Best to check in the IC-7300 Service manual if one is available.
 >
 > Gary K8IZ
 >
 > ----- Original Message -----
 >
 > From: "Julio Peralta" <jperalta4 at verizon.net>
 > To: "ICOM Reflector" <icom at mailman.qth.net>
 > Sent: Wednesday, January 11, 2017 5:56:28 AM
 > Subject: Re: [ICOM] IC7300 Smeter
 >
 > I'm not sure about the answer to your last question, perhaps someone 
 > else on
 > the list may be able to answer your question.
 >
 > Julio
 >
 > -----Original Message----- From: Icom 
 > [mailto:icom-bounces at mailman.qth.net] On Behalf Of Guenter
 > Klomann
 > Sent: Wednesday, January 11, 2017 8:45 AM
 > To: ICOM Reflector
 > Subject: Re: [ICOM] IC7300 Smeter
 >
 > ok, the Specification page show the sensitivity for preamp1 of -123dBm 
 > for
 > 10dB S/N and SSB bandwidth
 > S0 should be -127dBm. The Specification do not say, that the S0 
 > reading is
 > -127dBm and S9 is 50 uV.
 > So, is the S9 Smeter reading correct (50uV) with preamp1?
 >
 > Guenter, DK1RI
 >
 >> Julio Peralta <jperalta4 at verizon.net> hat am 11. Januar 2017 um 14:05
 > geschrieben:
 >>
 >>
 >> Check your manual on the Specifications page under Sensitivity. In my
 >> manual not for the 7300, it shows sensitivity measurements done with
 > Preamp 1 on.
 >> Yours may be different so check the manual.
 >>
 >> Julio, W4HY
 >>
 >> -----Original Message----- From: Icom 
 >> [mailto:icom-bounces at mailman.qth.net] On Behalf Of Guenter
 >> Klomann
 >> Sent: Wednesday, January 11, 2017 5:45 AM
 >> To: icom at mailman.qth.net
 >> Subject: [ICOM] IC7300 Smeter
 >>
 >> The IC7300 S-meter readings vary with the settings of the
 >> Preamp1/Preamp2/no_preamp.
 >>
 >> Wich setting show the the correct value measured at the antenna input?
 >> (I did not found anything in the manual)
 >>
 >> The Flex show exact values independent of the the settings, the KX3
 >> require
 >> Preamp1 (as given in the manual)
 >>
 >> Tnx for answer
 >> Guenter
 >> DK1RI
 >> ---- Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net Icom
 >> Users
 >> Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/ <http://www.qsl.net/icom/> To
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 >> ---- Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net Icom
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 > ---- Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net 
 > Icom Users
 > Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/ <http://www.qsl.net/icom/> To
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 >
 > ---- Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
 > Icom Users Net: Sundays, 1700Z, 14.316 MHz
 > Icom FAQ: http://www.qsl.net/icom/ <http://www.qsl.net/icom/>
 > To support QSL/QTH.net: http://www.qsl.net/donate.html <http://www.qsl.net/donate.html>
 >
 > ----
 > Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
 > Icom Users Net: Sundays, 1700Z, 14.316 MHz
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 > To support QSL/QTH.net: http://www.qsl.net/donate.html <http://www.qsl.net/donate.html>
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 > Icom Users Net: Sundays, 1700Z, 14.316 MHz
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 ----
 Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
 Icom Users Net: Sundays, 1700Z, 14.316 MHz
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