[ICOM] IC-718 antenna tuning and SWR

[Hal WD4MDA]

Sorry,
I meant "Transmitt" not "Tune" button.

73,
Hal
----- Original Message ----- 
From: "Gary P. Fiber" <gfiber at comcast.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Friday, June 25, 2010 9:07 AM
Subject: Re: [ICOM] IC-718 antenna tuning and SWR


> The IC-718 does not have FM and the Tune button does nothing unless an
> Icom or similar tuner is attached.
> He needs to use CW mode with a CW key and BK-IN enabled, AM mode and
> press the PTT on the mic, RTTY mode and press the PTT to send a carried
> to check SWR.
>
> Gary K8IZ
>
>
> On 6/25/2010 12:55 AM, Hal WD4MDA wrote:
>> Patrick,
>> I meant to include.
>> If you set the rig in rtty or fm and hit the tune button you should get a
>> swr reading.  I use foot switches here but it is all the same except for 
>> Cw
>> mode.
>>
>> 73,
>> Harold "Hal"  Stang / WD4MDA
>> wd4mda at comcast.net
>> wd4mda at yahoo.com
>> Yahoo IM @ wd4mda
>> Field Hell - #2599
>> 30mdg - #3772
>>
>> ----- Original Message -----
>> From:<kb8rtz at oh.rr.com>
>> To: "ICOM Reflector"<icom at mailman.qth.net>
>> Sent: Thursday, June 24, 2010 9:53 PM
>> Subject: [ICOM] IC-718 antenna tuning and SWR
>>
>>
>>
>>> Good evening,
>>>
>>> I have an IC-718 and am attempting to narrow an SWR issue with a new
>>> Hustler 6BTV. The last few days have been frustrating to say the least.
>>> The instructions in the Tx manual say to set the power above 30W, set 
>>> the
>>> operating mode to either CW or RTTY, set the display to show SWR; tune 
>>> to
>>> a frequency and push the PTT button. Realized that I didn't follow the 
>>> PTT
>>> instruction and have instead been pushing the DIT command on the
>>> electronic microphone keyer to check SWR.
>>>
>>> Anyway, on 10m the SWR seemed just fine using the CW DIT command. On all
>>> bands (10-15-20-40 check so far) while in CW mode and pushing PTT the 
>>> SWR
>>> reads 1:1 or less. While in RTTY mode the SWR on 10m slopes upward from
>>> 1.75:1 at the low end to 2.5:1 at the high end. The SWR in CW mode and
>>> pushing the DIT command the SWR was even higher.
>>>
>>> My questions are:
>>> Why when pushing PTT in CW mode there is no SWR reading?
>>> Why when pushing PTT in RTTY mode there is SWR?
>>> Why when pushing DIT command on the electronic microphone keyer there is
>>> SWR?
>>> The last question comes from the manual stating to set to either CW or
>>> RTTY then push PTT to read the SWR.
>>>
>>> Thanks much.
>>>
>>> 73...Patrick...KB8RTZ...
>>> ----
>>> 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/
>>> To support QSL/QTH.net: http://www.qsl.net/donate.html
>>>
>>
>> --------------------------------------------------------------------------------
>>
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - www.avg.com
>> Version: 9.0.830 / Virus Database: 271.1.1/2961 - Release Date: 06/24/10
>> 14:35:00
>>
>> ----
>> 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/
>> To support QSL/QTH.net: 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
> Icom FAQ: http://www.qsl.net/icom/
> To support QSL/QTH.net: http://www.qsl.net/donate.html


--------------------------------------------------------------------------------



No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.830 / Virus Database: 271.1.1/2962 - Release Date: 06/25/10 
02:35:00