3. ALL METAL mode test
After turning on, the ALL METAL cursor and LED are on. Samples of six
metal (nails, 5 ¢ nickel, pull ring, 1 ¢ zinc, 10 ¢ copper, 25 ¢
silver) were crossed 7-10cm(2.7-3.9'') above the search coil.
a)The detector sounds "hum" in turn.
b)The depth ruler indicates the second level.
c)The target cursor flashes separately. The digital cursor displays the
corresponding number.
As listed in the table
Sample
Sound
Identify
Cursor
Instructions
Digital
Cursor
Instructions
(See graph 10, with iron nails as an example)
Piton
5¢
Nickel
bass
bass
10-40
41-50
Pull Ring
1¢Zinc
Coin
alto
alto
volume
volume
55-65
70-75
12
10¢
25¢
Copper
Silver
Coin
Coin
high
high
pitch
pitch
80-83
86-88