Garrett CSI PRO, Инструкция по эксплуатации

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32 Garrett Metal Detectors
IRON AUDIO OFF: Normal division of low, mid and high tones.
IRON AUDIO OFF: With the Iron Discrimination set to 20, all targets below
20 are silent.
IRON AUDIO ON: Targets below 20 are now heard as a low tone and targets
above 20 will produce a mid or high tone.
Refer to the illustrations below regarding the use of the Iron
Audio feature:
When Iron Audio is on, iron targets will not only be heard,
but they will produce an even more distinctive response with
multiple tones. For example, a nail will produce several fast
low tones as the searchcoil passes over. A flat iron object like
a bottle cap or steel washer will produce a very distinctive
Low-High-Low response.