iCell S550, Быстрый старт, Страница: 14 / 72

G
re
e
n
cre
d
it
st
a
tu
s
L
ED
L
ED
AC
O
U
ST
IC
SI
G
N
AL
W
H
A
T
I
T
MEAN
S
W
H
A
T
C
AN
I
D
O
On
No signal
UD cr
edit is OK
No user action needed
Shor
t flash
3 shor
t acoustic signals
UD cr
edit is LOW
Top up your UD cr
edit
Flashing
4 long acoustic signals
UD cr
edit is 0 (zer
o)
Top up your UD cr
edit
ST
A
T
U
S
L
ED
S,
T
H
EI
R
F
U
N
C
T
IO
N
AN
D
T
H
E
AC
O
U
ST
IC
SI
G
N
AL
S
Bl
u
e
O
p
e
ra
tio
n
st
a
tu
s
L
ED
L
ED
AC
O
U
ST
IC
SI
G
N
AL
W
H
A
T
I
T
MEAN
S
W
H
A
T
C
AN
I
D
O
ON
No signal
GPS signal and GSM connection is active
No user action needed
Blinking
3 shor
t acoustic signals
No GSM connection
Star
t driving and check if the
GSM connection r
ecovers
Shor
t flash
4 long acoustic signals
No GPS signal
Check OBU’
s placing and its
view to the sky
OFF
4 long acoustic signals
No GPS signal and no GSM connection
V
erify the two options above
When the blue status LED indicates problem for a longer period please take the OBU to a service center!
14