Add A Pinpoint Mod to Tesoro Cutlass uMax. How?!!

[Dan in Ct]

Tesoro Cutlass uMax. I want to add a pinpoint button or switch. How do i do it?!

[Tekeweke]

Hi all anyone has to spend some simple circuit by a manual PinPoint
PS: sorry for my English

[mdetectors.com]

Hallo Dear Freinds,
we have some problems with Whites Prizm /Coinhunter/ model.
After some time pinpoint go down, but the metal detector works withowt any problem - only pinpoint take loud permanent sound.
Are you familiar with this problem?
Do you know how ti fix it?
Thanks...