8
10) MESSAGE display
Error messages appear in the display. If RATE ERROR! appears, first check Installation Setup
menu for correct setting: “Mounting” method and “Direction.”
Fig.14 Error Message display
11) REC MONI menu
The REC MONI display, Figure 15 shows whether the system works normally or not. The
GPS receiver having the least tracking error rate reads 1.0. The error rate of other receivers is
between 0.7 and 0.9 normally. In the example of Figure 16, the receivers GPS2 and GPS3
have 20 % and 10% higher error rate than GPS1 respectively. If the error rate is 0.5 or less,
the receiver and/or the antenna may be defective.
The number of the satellite being used for heading calculation is displayed at the
right-hand side below CAL, and the number of the satellite being tracked below ALL.
The system requires 4 or more satellites for heading calculation.
The timer is reset by selecting “CNT Reset?”.
V-MASK is used to set the angle where the satellite signal is not received for ANT MONI
display. For example, if 15 degrees is entered, the satellite signal between 0
º
and 15
º
is not
used to create ANT MONI display.
Fig.15 REC MONI display
Elapsed time from
power-on
Tracking error rate
CAL: Number of
satellite being used for
heading calculation
ALL: Number of
satellite being tracked
REC MONITOR
CAL ALL
GPS1 1.0 9/10
GPS2 0.8 9/10
GPS3 0.9 9/9
CNT RESET ?
V_MASK : 05
º
99:59
MESSAGES
•
NO HEADING OUTPUT
!
•
HEADING ERROR !
•
RATE ERROR ! (YAW)
Summary of Contents for Satellite Compass SC-50/110
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