4,Talk
to
microphone
after
active
the
tone
of
allowing
calling
tone
.
5,
Release
PTT
to
receive
information
.
6,
Radio
automatically
over
the
calling
if
there
is
no
operation
with
permitted
period.
If
the
radio
program
the
“Free
Channel
Indication”
,release
PTT
to
get
a
short
tone
,that
means
it
is
free
channel
and
wait
for
your
answer.
Automatically
over
the
calling
if
there
is
no
operation
with
permitted
period
.
7,
Radio
sound
a
short
tone
.
●
Message
Send
Pre
‐
set
Message
You
can
at
most
pre
‐
set
50
pieces
message
.
1,
Choose
desired
contact
to
send
a
pre
‐
set
message
.
2,
LED
light
red
.
3,Two
tones
of
“DiDi”
means
sending
message
successfully
.A
lower
tone
means
no
message
send
.
●
DTMF
Decode/Encode
This
function
is
only
available
radio
channel
in
analog
mode.
1,You
can
program
desired
DTMF
code
for
each
channel.
2,Choose
the
desired
sending
DTMF
code.
3,Program
the
One
Touch
Access
key
with
this
sending
DTMF
code
.
●
Encryption
This
function
is
only
available
for
digital
channel
.
You
can
at
most
preset
16
list
encryption
,encrypted
code(
4
byte)
by
program
software
and
enable/disable
this
function
.
●
Emergency
Alarm
Press
this
programmed
key
to
active
emergency
alarm.
●
Lone
Worker
