File
Name
Origin
LY
‐
90MT
User
Guide
Creator
Linda
Chen
Project
LY
‐
90MT
Creation
Date
Update
Date
2011
‐
05
‐
16
2013
‐
09
‐
16
Sub
Project
User
Guide
Page
6
of
17
Revision
V2.0
Confidential
External
Documentation
Copyright
©
2013
Original
All
rights
reserved.
‐
6
‐
9
/GPS
Log
Button
¾
Long
press
to
turn
up
the
volume.
¾
Long
press
for
2
seconds
to
start
hands
‐
free
conversation.
In
standby
mode,
long
press
for
2
seconds,
when
the
buffer
“BI”
once,
the
logger
will
run
automatically.
（
LY
‐
90MT
will
log
the
route
every
30
seconds
automatically.
Route
record
can
be
exported
with
the
computer.
¾
Long
press
for
2
seconds
again,
when
the
buffer
“BI”
twice,
and
the
logger
will
stop
automatically.
Note:
you
can
disable
GPS
Log
button
through
Origin
Manager
to
avoid
operating
failure
(default:
valid).
10
Volume
‐
/GPRS
Button
¾
Light
press
to
turn
down
the
volume.
¾
In
standby
mode,
long
press
for
2
seconds,
when
the
buzzer
“BI”
once,
GPRS
function
will
be
enabled
automatically.
(
Precondition:
GPRS
parameter
must
be
set
in
advance,
default
GPRS
message
interval
is
10
minutes)
¾
Long
press
for
2
seconds
again,
when
the
buzzer
“BI”
twice,
GPRS
function
will
be
disabled
automatically.
Note:
you
can
disable
GPRS
button
through
Origin
Manager
to
avoid
operating
failure
(default:
valid).
11
Lanyard
Loop
For
connecting
lanyard.
12
Battery
Cover
Install
the
battery,
SIM
card
and
Micro
SD
card
by
removing
the
battery
cover.
5.2
LED
Indicators
Press
and
hold
down
the
Power
switch
for
3
‐
5
seconds,
and
then
the
LY
‐
90MT
will
automatically
start.
The
blue
and
green
LEDs
blink
on
for
one
second
and
off
for
one
second,
repeatedly.
GPS
LED
(Blue)
Status
Description
Always
on
Charging
Flashing
(every
5
sec.)
Sleeping
Flash
(1
sec
on,
1
sec
off)
GPS
fails
to
fix
or
is
initializing
Off
GPS
fix
GSM
LED
(Green)
Status
Description
Always
on
A
call
is
coming
in
or
busy
Flashing
(every
5
sec.)
Sleeping
Flash
(1
sec
on,
1
sec
off)
No
GSM
signal
or
is
initializing
Off
LY
‐
90MT
is
connected
to
the
GSM
network
