User's Manual

SPSx80 Smart GPS Antenna User Guide 115
Troubleshooting F
Faulty external power cable. • Try a different cable.
• Check pinouts with multimeter
to ensure internal wiring is
intact.
Receiver does not log
data.
Insufficient memory on either
internal memory or the
CompactFlash card.
Delete old files using the GPS
Configurator software, or press
E
for 30 seconds.
No CompactFlash card is
inserted. (SPS770 only)
Insert a CompactFlash card in the
receiver.
The CompactFlash card is not
seated properly.
Remove the Compact Flash card and
reinsert it. Ensure that it slides into
the housing easily and seats into the
connector.
The CompactFlash card is not
formatted, or has been
corrupted.
Format the CompactFlash card using
the GPS Configurator software, or
press
E
for 30 seconds.
If the problem persists, use the GPS
Configurator software to perform a
full format.
The receiver is tracking fewer
than four satellites.
• Wait until the SV Tracking LED is
flashing slowly.
• Use the SCS900 software. Go to
the SkyPlot screen and press
[Ctrl]+[M] to access the current
elevation mask settings. Reduce
the mask value to make more
satellites available.
The default mask setting for
receiver is 13° above the horizon.
Change the value to a lower
setting temporarily while you are
waiting for a better constellation
availability.
The data logging option is
not enabled.
Check the original purchase order or
the receiver configuration using
WinFlash. If data logging is not
enabled on the receiver, you can
order the option from your local
Trimble Site Positioning Systems
dealer, and upgrade the receiver
using the WinFlash utility.
Receiver is not tracking
any satellites
GPS antenna does not have
clear line of sight to the sky.
Ensure that the antenna has a clear
line of sight.
The cable between receiver
and the GPS antenna is
damaged.
Replace the cable.
Cable connections at receiver
or antenna are not tightly
seated, or are connected
incorrectly.
Check all cable connections.
Issue Possible cause Solution