Specifications

F3 COMPACT Operations Manual
27
NOTE
The detector cannot be used for clearing operations during Noise
Cancel. The coil should not be moved during this procedure nor
should metallic objects be brought near the coil.
4.3.2 Audio Reset
Whenever the Threshold Tone sounds louder than normal perform
the Audio Reset procedure as follows:
a. Hold the coil away from any metallic objects. Press and
immediately release the Ground Balance button (green button
located on top of the handle).
Within two seconds the Threshold Tone will return to its correct level.
(see Figure 18).
Figure 18: Audio Reset
NOTES
The detector cannot be used for clearing operations during the Audio
Reset procedure.
If the Audio Reset button is held too long, the detector will
commence the Ground Balance procedure.