SonTek, a Xylem brand
106
RiverSurveyor S5/M9 System Manual (February 2013)
No GPS lock in
PCM
0
No clear view of the sky
for PCM GPS antenna
Make sure PCM GPS
antenna has clear
view of the sky to get
GPS lock
GPS lock in
PCM but no dif-
ferential lock
1
GPS antenna of the
PCM may be near a
bridge or some obstruc-
tion
Move away from the
bridge or a structure
to get full view of all
the available satel-
lites to get differential
lock
GPS lock in
PCM and no
radio link be-
tween Base
Station and
PCM
1
Spread Spectrum radios
in PCM and RTK Base
Station are not working
Send back PCM and
RTK Base Station to
the factory
GPS lock in
PCM with dif-
ferential lock
Flash-
ing
Gre
en
2
GPS antenna of the
PCM may be near a
bridge or some obstruc-
tion
Move away from the
bridge or a structure
to get full view of all
the available satel-
lites to get RTK lock
GPS lock in
PCM while ac-
quiring RTK
lock
5
RTK, float integer (be-
tween RTK and DGPS)
