Rtcm Differential Set Up; General - ashtech ZY-12 Information Supplement

RTCM Differential Set Up

General

To use the RTCM differential option, do the following:
1. On Screen 4, press [e] to shift to data-entry mode.
2. If the receiver is the base station, a previously surveyed antenna position
must be entered in the POS line. Also, you should lower the elevation mask to
about 5°.
3. Highlight DIFFERNTL and press [e] to access the Differential Mode Selection
screen (Figure 2.7).
Figure 2.7. Differential Mode Selection Screen
4. Highlight the mode indicator and press [+] or [-] to toggle it (through base,
remote, and disabled) and select the right mode. Select it here or on the
RTCM OPTIONS screen.
5. Highlight the output port indicator and toggle it through USE PORT A or B or
C or D so that it corresponds with the serial port you are using for the
differential corrections.
6. If you want the auto differential option enabled, highlight the AUTO DIFF field
and press [+] or [-] to set it to ON.
7. Press [e] to record your new setup. The display shows the specified port and
baud rate.
8. Press [e] again to return to the main display, Screen 4.
Getting Started
17