SatLab SL900 - Page 12

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11
SL900 GNSS RTK System
Table 2-2 LED function
Item Description
Status
In normal voltage
Battery remaining≥60%
Battery remaining: 10%~60%
Low voltage：battery remaining⩦10%
/P(4.8J'JDPOOFDUJPO
(4.8J'JNPEVMFIBTDPOOFDUFEUPUIFTFSWFSTVDDFTTGVMMZ.
(4.8J'JNPEVMFIBTDPOOFDUFEUPUIFJOUFSOFUTVDDFTTGVMMZ
(4.8J'JNPEVMFJTDPOOFDUJOHUPUIFJOUFSOFUTFSWFS
5IFEBUBMJOLTFOETBOE SFDFJWFTEBUB UIFSPWFSTUBUJPO
only prompts to receive, and the base station only prompts
UPUSBOTNJU
4UBUJDEBUBJTCFJOHDPMMFDUFEoTUBUJDBDRVJTJUJPOnBTIFTBU
the sampling frequency.
Communication failure, no data output
Satellites are being tracked successfully.
Satellites have been lost. Try and retrack them.
1. Mother board error resulting in no data output
while resetting receiver
2. Mother board error resulting in no data output
while in static mode
Reset the mainboard or there has been a static collecting
FSSPSJOTVöDJFOUTUPSBHFTQBDF
Power lamp
ZFMMPX
Power lamp
SFE
Signal lamp
（green）
Signal lamp
SFE
Satellite lamp
HSFFO
All three of the LEDs are illuminated
Always on
Always on
Slow flash
Off
Always on
Slow flash
Fast flash
Slow flash
Off
Always on
Slow flash
Off
(4
.8J
'J
NPEV
MF
JT
DP
DPDP
OO
OOOO
F
FD
FD
U
J
O
H
UP
UP
UP
UIUIUI
F
F
F
JO
J
JO
UF
SO
F


5
5
IF
F
F
EB
E
UB
MJ
MJ
MJ
O
OL
TF
TF
TF
O
ET
BO
O
O
E
E
E
S
S
S
FD
D
D
FJ
F
F
W
FT
E
o
n
ly
y
p
p
p
r
om
m
m
pt
s
s
s
t
t
to
recei
veve
ve
,
,
,
anan
an
d
d
d
th
e
b
UP
USBO
TN
TN
N
JU
JU
U




4
U
B
UJ
D
EB
UB
JT
CFCFCF
JOJOJO
H
H
H
D
D
D
PM
MF
DU
th
th
th
e sampling f
r
eq
eq
eq
u
u
ue
nc
y.
Communication
fa
Sa
tellit
es
a
Sa
Sate
ll
l
l
it
it
it
e
la
a
a
mp
mp
mp
H
H
H
SF
SF
SF
FO

All three of the L
ED
s
f
la
sh
Sl
ow
ow
ow
fl
as
as
as
h
Off
Off
Off
ff
ff
~6
0%
tt
ery remainin
g
g
g
⩦
⩦
⩦
10
0
%
%
%
8J
'J
DPOO
FD
FD
FD
U
UJ
PO
4
.
8J'
J
N
P
E
V
MF
IB
B
B
T
D
P
P
PO
OFDU
FE
U
P
UI
I
I
F
F
T
T
TF
S
W
FS
TV
TV
TV
D
D
D
DFDFDF
TT
TT
TT
G
G
GV
MM
Z
(4
.8J
'J
NP
E
V
M
F
I
B
T
D
D
D
PO
P
OF
F
F
DU
FE
U
P
UIF
JO
O
O
UF
UF
UF
SO
O
O
F
FU
FU
T
VD
DF
Al
wa
a
a
a
a
y
ys
y
o
o
o
o
o
n
Sl
owowow
ow
ow
fl
fl
as
h
Off