Detectron 505-T Pipe & Cable Locator (2-box)

It cannot be used for treasure hunting. It is used only for locating pipes or wires.

I am currently looking for one. Are you looking to sell it?

[Lake]

Does anyone have any experiences with 2-box locator called
"Detectron 505-T Pipe & Cable Locator" by Tinker and Rasor?

Just bought one used unit with 99 euros.
Unit looks very much like this one but it's older (1978 according to sticker)

http://www.caltechindia.com/TinkerRasor/505.htm

Seller claimed that it would detect something from 10 meter.

Unit has also input for "Precision depth probe"..
Like this..(?)

http://www.tinker-rasor.com/detectron/products/dp_ts8.html

How can that probe be constructed..?

Is there any difference between treasure hunting and pipe locating 2-box detector? meaning.. Is the unit usable for both purposes?

Transmitter unit has switch "Signal Identifier ON/OFF"?
Didn't find description for that.

Some instructions for newer model:

http://www.tinker-rasor.com/detectron/instr/din_505.html

Schematics anyone?