Fisher Labs F5 Operating Manual page 20

UNDERSTANDING THE DISPLAY
B B a a t t t t e e r r y y I I n n d d i i c c a a t t o o r r
Segments indicate the battery voltage, as printed on the display.
% % F F e e O O
4 4
3 3
This bar graph displays the magnetic mineralization factor, or magnetic
susceptibility, of the soil. The depth to which objects can be accurately
identified is strongly influenced by the magnetic susceptibility of the soil. High
Fe O values have a greater effect on detection depth in the Discrimination
4
3
mode than in the All Metal mode. For the most accurate Fe
pump the search coil as though you were ground canceling.
The % of Fe O
3
H – high
M – medium
L – low
VL – very low
P P h h a a s s e e
The two-digit PHASE number displayed on the screen indicates the type of
ground mineralization. The number is continuously displayed in all
detection modes except Pinpoint, and is continually updated. Ground
conditions can change within a given search area, sometimes slowly, and
sometimes quite abruptly. This number cannot be adjusted by the user.
Some typical ground mineralization types are:
0 – 10 Wet salt and alkali
5 – 25 Metallic iron
26 – 39 Very few soils in this range -- occasionally
40 – 75 Red, yellow, and brown iron-bearing clay minerals
75 – 95 Magnetite and other black iron minerals
S S e e t t t t i i n n g g
This 2-digit number on the bottom-left of the display can represent any
of the following:
• Internal Ground Balance setting (GND BAL): from 00 to 99
• Gain: 20 values from 5 to 99 in steps of 5
• Threshold: 19 values from -9 to 9
• Discrimination Setting: from 0 to 65
• Frequency: 1, 2, or 3
• Audio Tones Selection: d1, d2, d3, d4 or A1, A2, A3, A4
If the user is not moving any knobs or pressing any touchpads, then the
number represents the internal ground balance setting, and "GND
BAL" is illuminated.
"GND BAL" disappears when the user selects a control, and the
SETTING then represents the current value for the activated knob or
touch pad.
2 2 0 0
ground minerals are displayed as follows:
4
some saltwater beaches
(continued)
O reading,
3 4