[1000mp] Display

[Scott Manthe]

The MP and Mark V are two different animals in this regard

Yaesu obviously changed something with the display when they went from 
the MP to the Mark V, due to complaints that the MP display was too 
bright and the inactive background characters were distracting. (This is 
even a comment about this in the ARRL review from '96.)

I think what's happening is not a lingering problem with the HV supply, 
but a cap taking a while to charge in some kind of step-start circuit in 
the display.

Mine has the delay sometimes and doesn't other times. I've had three 
Fields and two of them didn't have the delay, but had dim start-up 
displays. My lastest, built in the middle of 2005, has the delay, but a 
MUCH brighter display, both during start-up and later.

73,
Scott, N9AA.

Cecil Acuff wrote:
> I have an early MP and it's instant on every time.  When a little cool 
> in the shack it's not a bright as it will become in 15 or so minutes 
> but I think that's a standard and expected characteristic of LCD 
> displays..
>
> I think the radio's with delayed display issues have lingering 
> problems with the HV power supply used in the cold cathode 
> backlighting system.  May work that way forever without a full out 
> failure.
>
> Cecil...
>