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8
HIGH MODE
1. Rest the search coil on the ground in an area
you are reasonably sure is free of metal objects.
2. After going through BAT test in the NORMAL
MODE, turn the MODE knob to HIGH.
3. Turn the GROUND knob to 5.
4. Push and releases the RETUNE button. The meter
reading should be about 10 and the speaker should
have a slight hum, or “threshold sound.”
5. Raise the coil straight up about 12 inches and
note any changes in the meter indication and
speaker volume.
6. If there is little or no change in the meter reading
and volume, the M-96 is properly ground adjusted
and you are ready to search. If there is a change,
proceed to step A or B.
A. If the needle and sound level drop when you
raise the coil, set the search coil flat on the
ground, turn the GROUND knob to 4 and push
and release the RETUNE button. Now raise the
coil 12 inches from the ground and repeat steps
4 and 5, making minor adjustments to the
GROUND knob until the meter reading and
sound remain the same whether the search coil
is flat on the ground or 12 inches in the air.
B. If the needle and sound level increase when
you raise the coil, set the coil flat on the ground
and turn the GROUND knob to 6, push and
release the RETUNE button. Raise the coil 12
inches from the ground and repeat steps 4 and
5, making minor adjustments with the GROUND
knob until the meter reading and sound remain
the same whether the search coil is flat on the
ground or 12 inches in the air.
The rule of thumb is this: if the volume increases
when the coil is raised, turn the GROUND knob
up. If the volume decreases, turn the GROUND
knob down.
SETTING UP