Operating instructions
II
~"f:ptfFqJJ~
If
the
site
has
no Ground
Effect,
when
the
search head
is
lowered
the
meter signal
will
not
fall
or
rise
irrespective
of
where the manual ground exclude
is
set.
tn
this
case
the
Normal Inland Ground setting
may
be
used. This setting
causes
most normal size iron
to
be
totally
ignored. (i.e. There
is
no negative
signal.l
Only
good objects register.
-
DIAGRAM
5.
Inland Site with Ground Effect
When AUDIO or METER
DISCRIM are
ON
th_
bunolll
function solely
85
RETUNE BUTTONS
and either may
be
used.
II
One
of
the
Inland
Sening.------~~~~~~~~~
Any
position overriden
by AUDIO and METER
DISCRIM.
Tune with RETUNE (viI
of
(viiI
depressed
85
per TUNING (P.6.1
Method
1.
Any
position, overridden
by PRE-8ET GROUND
Iil
--.L~
DIAGRAM
6.
Inland
Site
with Ground Effect
Method 2.
Set
as per Manual
Ground
Exdude
(P. 7.1
Any
position overriden
by AUDIO and METER
DISCRIM.
Tune with RETUNE lvil or
(viii
depressed
8S
!Jer
TUNING (P.
61.~--'-
I
When
AUDIO or METER
DISCRIM are ON
thes8
One
of
the
bunolll
function solely
Inland Settings
-------1:
8S
RETUNE BUTTONS
and either may ba used.
~==~
Beach
Site
with Ground Effect
Test
for
ground effect
by
lowering the search head
to
the
ground
as
previously described
with
pre-set
ground (j)
off.
Then either
use
METHOD
1
or
METHOD
2
to
overcome this.
On a BEACH
with
varying degrees
of
concentration
of
salt water
Le.
at water edge
or
above high
tide
line the ground exclude setting
will
vary and
METHOD
2
is
recommended.
On a
dry
beach, there may be no ground effect,
but
the
Ground Exclude should
still
be
set
to
SALT
WATER
BEACH.