The ORTOVOX emergency
safety setting allows an
acoustic search when
battery capacity is low.
If batteries have been
allowed to run too low
(remaining capacity less
then 20%) the micro-
processor and the dis-
play will switch off auto-
matically to conserve
the battery power.
Now only acoustic
reception is available.
Emergency acoustic
reception can, however,
also be switched on via
menu item 6 (acoustic
search) for practice
purposes.
Switching off emergency
acoustic reception: close
the S1 and open it
again or hold down both
buttons for 5 seconds.
If the battery capacity is
very low (less than 20%)
the S1is automatically
switched to the highest
ACOUSTIC EMERGENCY RECEPTION (SAFETY SETTING)
Volume
Increase
Deacrease
Receiver Transmitter
START TARGET
possible reception level
for emergency acoustic
reception. The ON/OFF
button (‘menue’) is used
to reduce the signal.
The ‘select’ button is
used to increase the
volume level.
After initial reception
the loudspeaker will
sound the transmission
signal. TURN the S1 in
order to determine the
direction with the stron-
gest reception. Now the
searcher will move in
this direction for 5 m,
reducing the volume if
necessary. Then the
searcher once again
turns the S1 to the
direction with the highest
volume and again moves
5 m in this direction.
The volume increases
as the searcher moves
closer to the avalanche
victim.
During the pinpointing
phase (= lowest recep-
tion level) do not turn
or tip the S1. Now
mark the point in the
longitudinal direction
with the loudest signal.
A search is also made
for the loudest signal to
the right and left of this
point. The avalanche
victim is located at the
point with the loudest
signal.
40
ENGLISH
DAILY FUNCTION TEST BEFORE STARTING A TOUR!
FAST GROUP TEST
The group leader sets his/her S1 to receive using menu item 7
(‘fast group test’).
If the S1 receives an audible (via the loudspeaker) and visible
signal (circle with 2 persons) from each individual avalanche trans-
ceiver then the transmission function of the units to be tested and
the reception function of the group leader are in order.
In the event of discrepancies from the functions of the avalanche transceiver
as described above please send the S1 directly to your ORTOVOX service
office for inspection (see page 112).
LOCATING SEVERAL AVALANCHE VICTIMS (SIGNAL SEPARATION):
With the S1 signal separation is carried out by marking the
first victim to be located.
It is necessary to have a short pause between the signals. It
may take slightly longer to be able to separate three or more
signals due to signal overlap. The receiver needs adequate
time to differentiate between each additional transmitted
signal.Thus it is practically impossible to separate more than 3-4 signals
within a reasonable time and to show them on the display. The S1 therefore
automatically reduces its range until the number of signals has been reduced
to a quantity that can be displayed in a reasonable time. If there are more
than 3-4 avalanche victims we recommend repeating location from a greater
distance (at least 20 m from left or right) after they have been located and
marked in the avalanche area. Before a re-start the previous signal separa-
tion must, however, be deleted with the ‘select’ button.
CAUTION:
it is, of course, possible to get a bearing on signals
that have already been located. The searcher should
then concentrate on signals that have not
yet been marked in the avalanche area.
41
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