FITRE SnowBip RT3 Benutzerhandbuch - Seite 2

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ARVA 457 kHz

ELECTRONIC AVALANCHE BEACON

EXTRA VOLUME STEP IN SEARCH MODE (9+)

In addition to the 9 standard volume steps ( to ), the

SnowBip RT3 has an additional sensitivity step, called +,

just manually controlled, enabling a further extension of

the search range when, even at volume

coming from transmitting beacons is detected. When your

SnowBip RT3 is set on volume , you can switch to volume

+ by pressing the

key and by checking the displaying

of the

MANUAL

icon alone. The opposite switching, from

+ to , can be instead got by pressing the

appearing of the digit on the display.

SECONDARY SEARCH PHASE

After having detected the first acoustic "bips", then move

yourself in the direction their intensity increases. If your

SnowBip RT3 is set on the volume

pressed the

key when being on ), then as soon as the

acoustic "bips" have reached a good intensity, go back to

(look at the display) by long pressing the

Going on to approaching the buried beacon, from now on,

watch the display for checking:

the progressive reduction of the distance, once this

reading appeared;

the constant reduction of the volume step (from to );

the progressive increasing of the circular bargraph,

within a same volume step;

the arrow indication suggesting the direction to keep in

order to approach the transmitting beacon (go on by

pointing your beacon so as to get the central arrow

switched on, with the warning that, if the reading of the

distance increases, then you must turn your beacon of

180 degrees and proceed in the opposite direction).

FINAL SEARCH PHASE

When approaching below 10 metres the transmitting

buried beacon, then your SnowBip RT3 starts giving out

some additional acoustic "bips", more and more frequent

as approaching goes on. In the last phases of the search,

keep your beacon close to the snow, in order to reduce the

distance from the buried beacon and to enhance the

accuracy of the detection. Watch the reading of the

distance and evaluate the frequency of the acoustic "bips".

The displayed volume step digit must decrease further on

(towards the volume , which however can be reached

only at condition that the transmitting beacon is not buried

at excessive depth), so to get the reduction, step by step,

of the distance range within which the acoustic "bips" are

detected. When, by a cross shifting of the beacon, both in

any direction and its opposite, you get a worsening of the

acoustic signals (as well as of the distance reading and of

the circular bargraph shown on the display), then you are

located exactly on the vertical of the transmitting beacon.

Note: intentionally just the reduction of the volume steps has been

automated, to reduce step by step the distance range within which

it is possible getting the acoustic "bips"; going out of this range,

mainly on the lower volume steps, the "bips" decay very quickly

and it is so very intuitive of going back to where they were stronger

and starting again searching further acoustic increments.

, no signal

key up to the

+, (for having

key.

SEARCH OF FURTHER BURIED BEACONS

Once having located the first transmitting beacon, it's

necessary to shovel fast the snow away from the buried

person and then to switch off his beacon quickly, to the aim

of avoiding that its no more useful radio-signals could

trouble the search of the other buried beacons. Before that

could be done, press shortly, at a same time, the

keys of the SnowBip RT3 you're using in

in order to get the barring of the automation which has

quickened the finding of the first buried beacon, but which

now could trouble the detection of the further ones, being

the found one still the closest one. From now on, the

sensitivity volume can be changed just manually, through

the

key, and this operating mode is warned by the

displayed icons

MANUAL

presence of more transmitting beacons, your beacon

reproduces now accurately, by its loudspeaker, with

different intensity according to the distance, the only radio-

signals coming from each transmitting beacon located

within the range allowed by the set volume step. Likewise

your display will show bargraph, direction arrow and

distance reading concerning each transmitting beacon. By

acting properly on the

(by stepping up to volume ) or reduce (by stepping down

to volume ) the range of your SnowBip RT3, so to single

out the acoustic "bips" coming out from the radio-signals of

a second buried beacon, towards which then to move,

even following the displayed information. And so on for the

further beacons. While approaching to a new transmitting

beacon, choose the lowest possible (still audible) volume

step and therefore the lowest possible distance range (at

volume this is just a little more than 1 meter). So you can

select, and look at, a single transmitting beacon at a time

(time by time, the nearest one), by isolating it from all the

others. In the same way more rescuers can split up the

task of searching more buried beacons, by proceeding in

parallel, at the same time, towards more targets.

Note: by repeating the same action which excluded the automation

(short pressing, at the same time, of the

automation itself can be turned on again, if it is useful or preferred;

the detection of more buried people (more transmitting beacons)

is warned out by the SnowBip RT3 with a special displayed icon.

FROM SEARCH MODE TO SEND MODE

After having located the last one buried beacon, then

please switch back again to the

in the event of a second avalanche. The same action must

be immediately carried out, while being in the

process, whenever you realize that a new avalanche is

coming. The action consists in pressing, for at least 2

seconds, till an acoustic signal, the

make up to possible lacks of that, a proper watch circuit of

the SnowBip RT3 takes care of switching automatically

the beacon into the

should be detected for a time of 4 minutes. A special

acoustic signal forewarns the user about such impending

event, giving then him the possibility to break off, for

further 4 minutes, the pending operation, through the

short pressing of any key.

and

barred circle

keys, you can now extend

and

SEND

mode your beacon,

MODE

key. In order to

SEND

mode, in case no key pressing

USER MANUAL

and

mode,

. In the

keys), the