Trimble Outdoors AgGPS 252 - Manual (Page 56)

Tro u b l e s h o o t i n g F l o w c h a r t s
5 0 AgGPS 252 Receiver User Guide
Figure 6.4 Using AgRemote to troubleshoot OmniSTAR positioning
S
T
A
R
T
H
E
R
E
Ye
s
No
No
Ye
s
Ye
s
No
Ye
s
Chec
k the
Ag
Remote
Home screen f
or GPS
reception.
Is the
receiv
er tr
ac
king at
least 4 satellites?
Does the
Ag
Remote
Home screen displa
y
S f
or DGPS satellite
mode?
Mak
e sure that y
our
OmniST
AR subscr
iption
ser
vice is current,
activ
ated, and correctly configured.
If the prob
lem
persists
, contact
y
our local
T
rimb
le
Reseller
.
Contin
ue
No
No
See the GPS reception flo
wchar
t. When
GPS
satellite reception is
resolv
ed, retur
n to this
flo
wchar
t.
W
ait one min
ute
.
Does the receiv
er or
Ag
Remote Home
screen no
w displa
y
D/3D (3D position)? The system appears
to be w
o
rking
correctly
. If the
prob
lem persists
,
contact y
our local
T
rimb
le Reseller
.
Chec
k the Home
screen f
or satellite
signal strength.
Is the
S/N (signal to noise
ratio) 6 or more?
Chec
k the Omni*
VBS
Inf
o screen.
Press
4 . Is
OmniST
AR enab
led?
Press
4 until y
ou see
Stop and a date
.
Has the date e
xpired?
The OmniST
AR almanac
ma
y be out of date
. Set up
the receiv
er and tr
ac
k
satellites f
or 1-2 hours to
acquire a ne
w almanac.
If the prob
lem persists
,
contact y
our local
T rimb
le
Reseller
.
T u
rn
on the machine
engine and chec
k the
Home screen.
Do the
satellites disappear?
Something ma
y be
interf
er
ing with the
OmniST
AR satellite signal.
Chec
k the Age of DGPS /
Age of Synch screen.
Is the
DGPS age 10 or more? Is the Synch age 3 or less?
Press
4 again to chec
k
OmniST
AR status
.
Do y
ou see either of the
follo
wing messages? Receiv
ed Data
No Recent Data
Is the status message one of the f
ollo
wing?
Init Decoder (1-4) Decoder Ready
Access Confir
med
The receiv
ed or old data
is not sufficient f
or good
DGPS positioning. Contact OmniST
AR.
Contact y
our local
T
rimb
le Reseller
.
T u
rn
off the machine
engine (combine or tr
actor)
b
ut maintain po
w
er to the
GPS receiv
er
. W
ait
fiv
e min
utes
.
Retur
n to the Home screen
and chec
k GPS reception.
Are y
ou receiving at least
4 satellites?
The prob
lem is unresolv
ed.
Contact y
our local
T
rimb
le Reseller
.
The prob
lem ma
y be
caused b
y e
xcessiv
e
engine noise
.
F
or inf
or
mation on reducing
engine noise
,
see Chapter 3.
If the prob
lem persists
,
contact y
our local
T
rimb
le Reseller
.
The receiv
er is tr
ac
king
GPS satellites b
ut not
receiving the OmniST
AR
signal.
Contact y
our local
T rimb
le Reseller
.
No
Contin
ue
Ye
s
No
No Ye
s
Ye
s
No
No
Ye
s
Ye
s
Ye
s
No
No / Not sure
Ag252_100B_UserGuide_ENG.book Page 50 Thursday, July 28, 2005 4:06 PM