Users Manual
Roll‐call
Short
press
the
call
button
(○
6
)
when
transmitter
is
on.
Roll‐call
symbol
( )
shows
up
and
signal
indicator
(○
3
)
starts
to
flash
quickly
which
means
the
transmitter
is
sending
the
signal
of
roll‐call.
If
receiver
acquires
roll‐call
signal
from
the
transmitter,
its
signal
indicator
(○
15
)
will
flash
quickly
for
10
seconds
and
then
in
steady
blue
light
again.
The
number
shown
on
transmitter
will
gradually
increase
until
roll‐call
is
completed.
To
release
the
transmitter
from
roll‐call,
simply
short
press
the
call
button
(○
6
)
again.
Actual group size
Expected group size
18