![background image](http://html1.mh-extra.com/html/whites/tdi-pro/tdi-pro_owners-manual_976874025.webp)
TDI
Pr o
Owner ’s Gui de 25
Keep the sear ch coi l
fl
at to the
gr ound as you ar e sweepi ng
fr om si de-to-si de.
Sweep the sear ch coi l fr om
si de-to-si de over l appi ng each
the pitch will rise as the search coil passes over the target. Now is a good
time to adjust the volume to a comfortable level and so that you can hear
a good response
from the target while being able to hear the continuous hum of the thresh-
old when no target is present. If using headphones with volume controls,
use Pulsescan TDI Volume fully clockwise, and reduce volume with head-
phone volume controls.