[Info-vax] DCL "READ/TIME_OUT=n" from terminal; timer resets if message written to screen

[gah4]

On Friday, May 21, 2021 at 10:14:53 AM UTC-7, sc... at snadow.com wrote:
> I searched but didn't find this mentioned anywhere... 

> If I do this: 

> $ READ/TIME_OUT=10 SYS$COMMAND FOOBAR 

> And while the READ is waiting for me to respond to it, if someone sends a REPLY
> message to my screen, or if I have a subprocess running that sends some output
> to my screen, the ten second timer restarts at zero again. 

Seems to make some sense to me.  

If you are supposed to type something, and get interrupted, you should get
extra time.  Especially if you have to read and process the message that
came out.

Is there a way to turn off such messages?  All except the most important?