Leica Geosystems GPS System 500 - Technical Reference Manual - Manual (Page 352)

352 Appendix H Technical Reference Manual-4.0.0en
RTB Module (CSI)
The RTB (Real Time Beacon) Module
receives DGPS corrections from U.S.
Coast Guard or other differential
correction beacons.
It is used for Real-Time applications
in the meter or submeter accuracy
range. The module consists of a
combined GPS/Beacon antenna and
a radio module that is available in a
detachable housing.
Configuration
From CONFIGURE\ Interfaces
highlight Real-Time press EDIT (F3).
Press DEVCE (F5) to access the
device list. Select RTB Module (CSI)
and press CONT (F1) to confirm.
Ensure that the Data Format is set to
RTCM 9,2.
Press RTCM (F6) to set the RTCM
version and the number of bits/byte.
Press CONT (F1) to continue.
In CONFIGURE\ Interfaces press
CTRL (F5).
At certain locations it is possible that
several beacon signals can be
received at the same time. If Fre-
quency is set to Automatic the
strongest signal available will be
used.
This is not necessarily the closest. If
you know the frequency of the closest
beacon select User defined and
enter the frequency.