Specifications
2 Z-Family Technical Reference Manual
All accuracies were computed from multiple trials of live satellite data collected in the San Francisco 
Bay area with receivers and Geodetic III antennas under average multipath conditions.
Receiver Options
Table 1.2 lists the available options. Each option is represented by a letter or number 
presented in a certain order. With the Z-Surveyor or the Z-FX, you can verify the 
installed options by going to the options table under the System Information 
(
SYSINFO) menu through the front panel.
You can also verify the installed options by issuing the following command to the 
receiver using an external handheld controller or PC, as described in Chapter 6, 
Command/Response Formats:
•$PASHQ,RID
The command will display the options on the external handheld controller or PC. For 
example:
$PASHR,RID,UZ,30,UC00,BUEXMFT3JK,0A13*75
If the letter or number is displayed in the response message, the option is available. If 
the letter/number is not displayed, the option is not available. Table 1.2 lists the 
available options
Real-time carrier phase 
differential in RTCM-
RTK format or DBEN 
format
1.6cm +2ppm 5Hz, (10Hz optional) <15 kilometers 
(depending upon datalink)
 Table 1.2: Z-Family Options
Option Description 
B RTCM differential base
U RTCM differential remote 
E Event Marker
X External Frequency
M Remote monitor option
F Fast Data Output (10Hz)
T Point Positioning
 Table 1.1: Accuracy as Function of Mode
Positioning Mode
Typical Horizontal 
Accuracy (2drms), 5 
SVs, PDOP<4
Maximum Update 
Rate
Maximum Operating 
Range










