ashtech ZY-12 Information Supplement page 50

Parameter
PORT
TYPE
If you are using a modem not listed under TYPE, select USER DEFINED, then
press the down arrow key to enter the initialization string (Figure 3.20).
Below the PORT/TYPE line are two lines where you can enter the initialization
string for your modem. You must get this initialization string from the modem
documentation or from the modem manufacturer. The modem initialization string
can be quite long; a typical string is shown below.
CFG,ATS111=255S45=255S51=252S58=2S0=1&D2&C1X12E0Q0&W\r\n,M
OD,AT&F1\r\n,NAM,US_ROBOTICS,D2c+++AT,C2D,ATO\r\n<CARRIAGER
TN> <LINE FEED>
If your initialization string requires characters other than the numbers 0 through 8,
press the up button to display more characters, i.e., the alphabet, special
characters such as #,*,&,+, etc. After you have entered the string, press the up
button until you see CARRIAGE RTN. Enter CARRIAGE RTN, then press the up
button again to display LINE FEED. Enter LINE FEED. Now press the [e] key to
save the string.
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Table 3.16. Modem Setup Parameters
Outputs through the specified port. Press the [+] or [-] key to toggle it to
A, B, C, or D.
Lets you select the type of modem. The types of modem currently
supported are Telebit® Worldblazer, Trailblazer, Cellblazer, and a user-
defined modem. To save the selection, press [e]. The receiver
transmits from the specified port and returns you to Screen 4.
Figure 3.20. Modem Initialization String
Description
ZY-12 GPS Receiver