Steve,

I do think he is pushing things a bit too much, and as I said in another 
post, have a suspicion about the ptt button on the mic.

It's nice to see great minds think alike.

73, Steve KW3A

On 3/12/2014 2:38 PM, Steve Dresser wrote:
> Steve,
>
> The fact that he's overdriving the radio might cause the amplifier to go
> non-linear, in which case something might trip.  Even if overdriving the
> radio isn't causing the relay to trip, it might be a good idea to reduce the
> mic gain a bit.
>
> I'm also wondering about the PTT switch in his mic.  I'd try using the
> button on the front of the radio instead of any other switch, just to see if
> the problem goes away.  Changing mics at this point will just compound the
> problem.
>
> Steve
>
> ----- Original Message -----
> From: "Steve Forst" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, March 12, 2014 14:02
> Subject: Re: Still troubleshooting my ocasional AL811 relay tripping issue
>
>
>> Tom,
>>
>> This may come as a shock to you, but "over" means "over".   You are off
>> the scale and overdriving.    i doubt if this has anything to do with
>> your amp problem, but you may want to back things down a bit.
>>
>> I don't think carrier level affects SSB, but I have mine set at 20.   It
>> varies by band, but at that setting I'll get at the most a couple of
>> pips on the ALC meter (2,3,4) Other bands I get 1 or zero.    This keeps
>> the power spike under control  on CW/FSK.  At the least, you should have
>> your XYL tell you where the sweet spot in the ALC range is by looking at
>> the meter and try and keep things there.
>>
>>
>> Getting the buffer out of line  for a test is a good idea, but you would
>> have to get a cable to connect to the 7 pin din.    Try some of the
>> other suggestions first.  Be sure the control cable to the amp, buffer,
>> and the din to the radio and buffer are all seated fully.
>>
>> 73, Steve KW3A
>>
>>
>> On 3/12/2014 1:40 PM, Tom Behler wrote:
>>> Bob:
>>>
>>> I'll do that.
>>>
>>> I know that at that level, the TS590 still says A over, though.
>>>
>>> I am not quite sure what that means.
>>>
>>>
>>> To get it to stop giving me the A over  reading, I have to drop the
>>> carrier
>>> all the way down to something like 13 or 14, which seems really strange
>>> to
>>> me.
>>>
>>> Tom Behler: KB8TYJ
>>>
>>>
>>> -----Original Message-----
>>> From: For blind ham radio operators
>>> [mailto:[log in to unmask]]
>>> On Behalf Of Bob, K8LR
>>> Sent: Wednesday, March 12, 2014 10:24 AM
>>> To: [log in to unmask]
>>> Subject: Re: Still troubleshooting my ocasional AL811 relay tripping
>>> issue
>>>
>>> Tom,
>>>
>>> another thought, try dropping your carrier control to 40, that might
>>> help!
>>>
>>>
>>> Bob, K8LR, [log in to unmask]
>>>
>>> ----- Original Message -----
>>> From: "Tom Behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Wednesday, March 12, 2014 10:10 AM
>>> Subject: Still troubleshooting my ocasional AL811 relay tripping issue
>>>
>>>
>>> Hi, all.
>>>
>>>
>>>
>>> As you may recall, I have a problem here where my AL811H amplifier relays
>>> occasionally trip when I am transmitting, and I'm trying to figure out
>>> why
>>> it happens.
>>>
>>>
>>>
>>> I have checked all of my connections between the TS590, my ARB704 buffer
>>> box, and the AL811, and they seem to be firmly in place.
>>>
>>>
>>>
>>> I'm now starting to wonder if my amp relay tripping issue has something
>>> to
>>> do with my TS590 rig settings.
>>>
>>>
>>>
>>> As I think I said before, I use between 60 and 65 watts to drive the
>>> amplifier, which, as far as I understand,  is well within the limits
>>> prescribed by Amaritron.
>>>
>>>
>>>
>>> I checked some other settings on the TS590, though, and wonder if one of
>>> those is creating my problem.
>>>
>>>
>>>
>>> Currently, I have my mic gain set at 50, and my carrier set at 50.
>>>
>>>
>>>
>>> I have the PF2 button set for voice 2, which reads SWR and something else
>>> when I press the meter switch button and transmit.
>>>
>>>
>>>
>>> I'm not sure what that other function is, but I have noticed that when I
>>> back the carrier way down to say 13, that other meter function says A 13
>>> or
>>> 14, rather than A "over" when I have the carrier set to 50.
>>>
>>>
>>>
>>> I'm wondering if my carrier is set too high, and if I should back that
>>> down
>>> considerably.
>>>
>>>
>>>
>>> Over the week-end, when I get more time, I'm going to follow Kelvin's
>>> earlier-posted procedure for determining the maximum input power for
>>> driving
>>> the AL811H, and hopefully, that will help further.
>>>
>>>
>>>
>>> I'd appreciate any suggestions anyone might have for other things I might
>>> try.
>>>
>>>
>>>
>>> And, if someone can clarify the alternate voice 2 meter function, that
>>> would
>>> be helpful as well.
>>>
>>>
>>>
>>>
>>>
>>> Tom Behler: KB8TYJ
>>>
>>>
>>>
>>
>
>
>