SonTek, a Xylem brand
RiverSurveyor S5/M9 System Manual (February 2013)
105
Before RTK Lock:
Scenario
Base Station
PCM
Software Indicator for PCM
Status
Action
GPS
Lock
LED
RTK
Lock
LED
GPS
Lock
LED
RTK
Lock
LED
GPS
Qual
ity
GPGGA
Icon
GPVTG
Icon
Hardware fail-
ure in Base Sta-
tion and PCM
0
No power to GPS board
in both PCM and Base
Station
Send back both the
power/comm. boxes
to the factory
BS hardware
failure and no
GPS in PCM
0
No power to GPS board
in Base Station
Send back RTK Base
Station to the factory
No Base Sta-
tion lock and
hardware failure
in PCM
0
No power to GPS board
in PCM
Send back PCM to
the factory
No GPS lock in
Base Station
and PCM
0
No clear view of the sky
for Base Station GPS
antenna. Using a PCM
prior to this software re-
lease will also display
red while acquiring RTK
lock
Ensure Base Station
GPS antenna has
clear view of the sky
GPS lock in
Base Station
but no DGPS
lock
0
No clear view of the sky
for Base Station GPS
antenna
Make sure Base Sta-
tion GPS antenna
has clear view of the
sky to get DGPS lock