Rutus Alter71, User Manual

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Notch
This type of Discrimination allows for selective operation – the user can choose which
types of objects will be indicated and which will not be.
Identification
This function is described on page 7. In practice it allows for the non-standard use of the
motion operation – by setting the Discrimination to 0 [-90] and not using Notch. The detector will
use sound to signal all metal objects, on the basis of the sound and the indications on the
display, the user will be able to recognize all the objects in the soil. In this way the user is aware
of the conditions in which they are performing the search. If using Discrimination in the Motion
mode, they may not have a full view of the situation and would not be aware of how many metal
objects are littering an area.
NOTE: While operating in the Motion mode with Discrimination, the trigger is used to initiate the
Pinpoint option.
2. All metal Non-motion
This operating mode requires the search coil to be stationary. It works when the Audio
Gain and SAT are set to 0, while the Th Sens is set above 0. The detector signals all metal
objects using the sound channel. The volume and the tone of the sound, depends on the
signal’s strength – this gives the user information about the object’s size and distance from the
search coil.
When using a detector which has been well ground balanced, and by using the Th Level
setting at 0 a sound signal will be received from a metal object. The only way of identifying an
object is by checking the information shown on the display.
The key characteristic of this
mode is that it provides the maximum detection range for all metal objects in the ground.
NOTE: In this operating mode it is important to reset the All metal channel, this needs to be
done away from metal objects. For best operation in Non-motion mode, listen to the Threshold,
this should be set so that it can be heard. If the Threshold becomes inaudible then a reset is
required, equally if the detector suddenly starts creating a loud sound with no apparent reason,
then reset the channel.
3. All metal Motion
This All metal mode needs the search coil to be moved, for it to work the Audio Gain
should be set to 0, while the Th Sens and SAT are set above 0.
As for the All metal non-motion mode, the detector uses sound to signal all metal objects.
When the search coil is stopped in close proximity to a metal object, the detector will
automatically „tune” itself to the metal and stop signaling the object. How long this takes will
depend on the SAT value: if SAT is set to 1 then this will be 1 second, if SAT is set to 20 – it will
be approximately 0.7 seconds.
RUTUS
Alter71
ver. 2.0 20