ARVA Axis Modo De Empleo página 16

Search methods
■ Final search (detecting phase)
When you reach this number, with the arrow lit, lower the device horizontally, in
the same position, to just above the snow. The beeps quicken, and the search
number falls further.
Continue progressing to the smallest number. When it begins rising again, return
to the lowest number and locate the victim using the cross technique, keeping the
device in exactly the same position (parallel to snow).
During this phase, each time you obtain the lowest distance, the device must
always point in the same direction (do not turn it to the left or right).
With an ARVA, you don't need to an extremely precise location. It is often quicker
to immediately start probing once you have defi ned the like location zone to about
50 cm precision.
Marking a nearby signal
When the progress indicator falls to 3.0 (or 5.0 according to the settings), the
device offers to mark (i.e. mask) the detected signal. Pictogram
bottom right of the screen. Only mark the signal once you have pinpointed/touched
the victim with the probe.
By pressing the centre button, you mark the nearby signal received. The device
then locks onto the next nearest signal
to the current searched-for victim, and the found/marked victim is replaced by
this pictogram . Then continue searching until the fi nal-search phase.
Once all the detected signals have been marked, the device reverts to analogue
mode and invites you to check the entire avalanche by displaying the X sign.
NB: The marking mode works in most cases. However, some signal stacks are
hard to separate, and multiple burials (more than 4 signals) reduce the searcher's
ability to mark the signal. An alert message "
Move away and try again. Or, to increase your chance of success, proceed using
the three-circle method or the micro-strip search method.
Analogue mode
To select/exit this option, simultaneously press the left- and right-hand
4
buttons for 1 second
To indicate Analogue mode, the symbol
In this search mode, the user controls his receiver's sensitivity. The more he
presses the right-hand arrow, the more sensitive it becomes, and vice versa.
An estimated number of detected victims appears in the top left.
The device gives sensitivity advice
of a victim is too high or low, the values displayed on screen will be wrong or
unreliable. The device displays small fl ashing arrows on the left and right of the
screen, so the user can optimise the sensitivity.
When these arrows disappear, the sensitivity is correct.
This mode has no direction feature. Assistance is by sound and number only.
You can increase sensitivity even further by pressing in the right-hand arrow: the
display disappears and the device is subject to only very low interference, which
can further increase its sensitivity. When you reduce sensitivity again, the display
reappears.
Analogue searching is complex and requires lots of training.
You must listen for the strongest signal, and use the numbers to guide you closer.
Proceed at right angles, keeping the device vertical. You can use the earphone
(optional) to better perceive sound-level differences.
16
1 .
3
. The selection frame on screen moves

" may appear.
.
appears in the top right of the screen.
5
. If sensitivity relative to the proximity
2.
4
2
fl ashes in the
Marking function
Estimated number
of victims
2
Arrow telling you
to reduce sensitivity
2.
7
1
0.
2.
8
4
2.
7
Final search
2
1
.9
3
4
.1
4

1"
5
9.
4
Sensitivity