[R-390] 3TF7 Failed in service

Thu, 9 May 2002 20:27:01 -0500

StdBy operation will not impact the life of the 3TF7. It will impact the
rest .....
FL

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of blw
Sent: Thursday, May 09, 2002 8:10 PM
To: [email protected]
Subject: Re: [R-390] 3TF7 Failed in service

> A long time ago someone (Rick Mish?) told me to never use "standby".
>
> Just leave the radio on and turn the gain down.
>
> He said that proceedure was easier on all the components.
>
> That's it, that's all I remember.
>
> Barrie, W7ALW

It's in the -10 manual somewhere. It cautions about prolonged operation in
the standby position as component life can be shortened. I think30 minutes
is the max recommended, but I could be wrong.

Okay, I paused and looked it up. Page 24 of the -10. It says that the life
of certain tubes will be shortened if left in the standby mode for longer
than 30 minutes.

Barry

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