Eric Foster - Sandpiper P.I.

[kt315]

it may be not PI detector. there is not typical for PI pots - MAIN DELAY, SECOND DELAY, PULSE WIDTH. to do FREQUENCY for PI yes it is possible but is not so actual. the auto/hold toggle switch and reset push button is related to SAT control and not indicator that it is sure PI.

[mschmahl]

Sorry orbit, I don´t speak or understand Serbian, only German and English. For other languages I use google translate.

Hi KT315. The Goldscan 4 is typical PI, but with GB-circuit. Main delay is named as foil reject, second delay are internal trimmers and if set wrong than the GB doesn´t work. And the frequency is for setting the pulserate of the device. The auto/hold toggle switch and reset button is used for better pin-pointing, so you can reduce the search field/sensitivity of the coil. The reset button is also used to smooth the goldscan down and reset it because original goldscan is not a motion detector. I have original Goldscan 4 at home.

I think the sandpiper is a PI between the Goldscan and the Beachscan with more intern settings and without the GB circuit. The audio circuit with threshold control is a seperat box under the arm-rest on the goldscan.

[kt315]

there may be pots/pot at rear side of housing, but pics do not give presentation about. insufficiently of matter.

[mschmahl]

You are right. There is a switch on the housing side with dirction to the coil. There you can switch between detector coil and probe-coil. But I can´t find any other pictures of the sandpiper.
Greylourie do you have the sandpiper at home and can you make some more pictures?

[greylourie]

Sorry Michael,

Its not my detector in the linked post. I guess the switch you mention is for the probe. Possibly delay/discrimination was tied (internally) to the frequency, like some of his other models ? Maybe the speakers and batteries are in the box under the arm-cuff. A non-motion P.I.

I see Anatloy is a member over at findmall, and has posted a request for info on any manual.