White’s Electronics TDI SL 7.5 and 12 - Manual (Page 6)

Page 6
TDI SL
Owner’s Manual
QuickStart
1. Set the
Conductivity
switch to
ALL
.
2. Set the
Frequency
offset to the midpoint.
3. Set the
Ground Balance
to ~8.
4. Turn on the power and adjust the
Gain
to “2.”
5. Adjust the
Threshold
to achieve a faint background hum.
6. With the coil on the ground (no motion) increase the
Gain
until the audio begins to chatter. Back off slightly for a rea-
sonably smooth threshold.
7. Optional: adjust the
Frequency
offset to minimize the
amount of chatter.
8. Using a spot free of targets, bob the coil up & down and
adjust the
Ground Balance
control to minimize the audio
response.
9. For most nugget hunting, set the
Conductivity
switch to
LOW
.